# Instrument Ledger

> Instrument Ledger provides contract specifications, margin calculators, tick value models, and venue mappings across 10,000+ spot, futures, FX, equity, and commodity instruments.

- Canonical Domain: https://instrumentledger.com
- Organization: Instrument Ledger (Instrument Ledger Data Systems LLC)
- Full Corpus Digest: https://instrumentledger.com/llms-full.txt
- Open CSV/JSON Datasets Hub: https://instrumentledger.com/datasets

## Contract Specifications

- [Tick Size Pilot Program — Tick Rounding Worked Example: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/tick-size-pilot-program-tick-rounding-worked-example-078): 2026 institutional desk audit of tick size pilot program focusing on tick rounding worked example. Covers statutory register tie-out (CME-FX-SPEC), 13.1 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Tick Size Pilot Program — Risk Limit Framework: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/tick-size-pilot-program-risk-limit-framework-080): 2026 institutional desk audit of tick size pilot program focusing on risk limit framework. Covers statutory register tie-out (ERIS-SOFR), 7.4 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Settlement Price Methodology — Delivery Logistics Map: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/settlement-price-methodology-delivery-logistics-map-074): 2026 institutional desk audit of settlement price methodology focusing on delivery logistics map. Covers statutory register tie-out (EUREX-BUND), 15.8 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Settlement Price Methodology — Tick Rounding Worked Example: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/settlement-price-methodology-tick-rounding-worked-example-073): 2026 institutional desk audit of settlement price methodology focusing on tick rounding worked example. Covers statutory register tie-out (CBOT-AG), 12.4 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [FX Futures CLS Eligibility — Delivery Logistics Map: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/fx-futures-cls-eligibility-delivery-logistics-map-034): 2026 institutional desk audit of fx futures cls eligibility focusing on delivery logistics map. Covers statutory register tie-out (ES-MES-SPEC), 14.2 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [FX Futures CLS Eligibility — Clearing Margin Walkthrough: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/fx-futures-cls-eligibility-clearing-margin-walkthrough-032): 2026 institutional desk audit of fx futures cls eligibility focusing on clearing margin walkthrough. Covers statutory register tie-out (ERIS-SOFR), 5.8 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Delivery Notice Period Calendar — Risk Limit Framework: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/delivery-notice-period-calendar-risk-limit-framework-070): 2026 institutional desk audit of delivery notice period calendar focusing on risk limit framework. Covers statutory register tie-out (CL-WTI), 9.4 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Delivery Notice Period Calendar — Tick Rounding Worked Example: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/delivery-notice-period-calendar-tick-rounding-worked-example-068): 2026 institutional desk audit of delivery notice period calendar focusing on tick rounding worked example. Covers statutory register tie-out (CBOT-UST), 14.9 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Position Limit Spot Month Rule — Clearing Margin Walkthrough: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/position-limit-spot-month-rule-clearing-margin-walkthrough-062): 2026 institutional desk audit of position limit spot month rule focusing on clearing margin walkthrough. Covers statutory register tie-out (CME-FX-SPEC), 5.7 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Position Limit Spot Month Rule — Delivery Logistics Map: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/position-limit-spot-month-rule-delivery-logistics-map-064): 2026 institutional desk audit of position limit spot month rule focusing on delivery logistics map. Covers statutory register tie-out (ERIS-SOFR), 5.2 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [CME SPAN 2 Margin Parameter File — Clearing Margin Walkthrough: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/cme-span-2-margin-parameter-file-clearing-margin-walkthrough-002): 2026 institutional desk audit of cme span 2 margin parameter file focusing on clearing margin walkthrough. Covers statutory register tie-out (ES-MES-SPEC), 13.4 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Commodity Roll Yield Seasonality — Risk Limit Framework: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/commodity-roll-yield-seasonality-risk-limit-framework-030): 2026 institutional desk audit of commodity roll yield seasonality focusing on risk limit framework. Covers statutory register tie-out (CME-FX-SPEC), 13.4 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [VIX Futures Term Structure — Clearing Margin Walkthrough: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/vix-futures-term-structure-clearing-margin-walkthrough-092): 2026 institutional desk audit of vix futures term structure focusing on clearing margin walkthrough. Covers statutory register tie-out (COPPER-SPEC), 11.6 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Futures Open Interest Concentration — Risk Limit Framework: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/futures-open-interest-concentration-risk-limit-framework-090): 2026 institutional desk audit of futures open interest concentration focusing on risk limit framework. Covers statutory register tie-out (EUREX-BUND), 4.1 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Futures Open Interest Concentration — Delivery Logistics Map: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/futures-open-interest-concentration-delivery-logistics-map-089): 2026 institutional desk audit of futures open interest concentration focusing on delivery logistics map. Covers statutory register tie-out (CBOT-AG), 6.8 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Cross-Margin Portfolio Offset — Delivery Logistics Map: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/cross-margin-portfolio-offset-delivery-logistics-map-084): 2026 institutional desk audit of cross-margin portfolio offset focusing on delivery logistics map. Covers statutory register tie-out (CBOT-UST), 13.2 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [SOFR Futures Convexity Bias — Risk Limit Framework: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/sofr-futures-convexity-bias-risk-limit-framework-100): 2026 institutional desk audit of sofr futures convexity bias focusing on risk limit framework. Covers statutory register tie-out (CBOT-UST), 8.5 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [SOFR Futures Convexity Bias — Tick Rounding Worked Example: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/sofr-futures-convexity-bias-tick-rounding-worked-example-098): 2026 institutional desk audit of sofr futures convexity bias focusing on tick rounding worked example. Covers statutory register tie-out (ES-MES-SPEC), 6.7 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [VIX Futures Term Structure — Delivery Logistics Map: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/vix-futures-term-structure-delivery-logistics-map-094): 2026 institutional desk audit of vix futures term structure focusing on delivery logistics map. Covers statutory register tie-out (CME-FX-SPEC), 5.4 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Perpetual Swap Funding Interval — Delivery Logistics Map: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/perpetual-swap-funding-interval-delivery-logistics-map-014): 2026 institutional desk audit of perpetual swap funding interval focusing on delivery logistics map. Covers statutory register tie-out (CME-FX-SPEC), 9.8 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Perpetual Swap Funding Interval — Clearing Margin Walkthrough: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/perpetual-swap-funding-interval-clearing-margin-walkthrough-012): 2026 institutional desk audit of perpetual swap funding interval focusing on clearing margin walkthrough. Covers statutory register tie-out (COPPER-SPEC), 8.5 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.

## Derivatives Mechanics

- [Tick Size Pilot Program — Clearing Margin Walkthrough: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/tick-size-pilot-program-clearing-margin-walkthrough-077): 2026 institutional desk audit of tick size pilot program focusing on clearing margin walkthrough. Covers statutory register tie-out (SSF-SPEC), 4.7 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [Settlement Price Methodology — Risk Limit Framework: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/settlement-price-methodology-risk-limit-framework-075): 2026 institutional desk audit of settlement price methodology focusing on risk limit framework. Covers statutory register tie-out (VIX-SPEC), 9.0 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [SOFR Futures Convexity Bias — Delivery Logistics Map: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/sofr-futures-convexity-bias-delivery-logistics-map-099): 2026 institutional desk audit of sofr futures convexity bias focusing on delivery logistics map. Covers statutory register tie-out (PERP-FUND), 5.8 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [VIX Futures Term Structure — Tick Rounding Worked Example: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/vix-futures-term-structure-tick-rounding-worked-example-093): 2026 institutional desk audit of vix futures term structure focusing on tick rounding worked example. Covers statutory register tie-out (SSF-SPEC), 15.9 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [FX Futures CLS Eligibility — Risk Limit Framework: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/fx-futures-cls-eligibility-risk-limit-framework-035): 2026 institutional desk audit of fx futures cls eligibility focusing on risk limit framework. Covers statutory register tie-out (PERP-FUND), 2.7 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.

## Multi-Asset Symbology

- [Settlement Price Methodology — Clearing Margin Walkthrough: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/settlement-price-methodology-clearing-margin-walkthrough-072): 2026 institutional desk audit of settlement price methodology focusing on clearing margin walkthrough. Covers statutory register tie-out (ISO-10962-SPEC), 11.3 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.

## Exchange Margin Models

- [FX Futures CLS Eligibility — Tick Rounding Worked Example: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/fx-futures-cls-eligibility-tick-rounding-worked-example-033): 2026 institutional desk audit of fx futures cls eligibility focusing on tick rounding worked example. Covers statutory register tie-out (SPAN-2), 3.7 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [VIX Futures Term Structure — Risk Limit Framework: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/vix-futures-term-structure-risk-limit-framework-095): 2026 institutional desk audit of vix futures term structure focusing on risk limit framework. Covers statutory register tie-out (PFMI-CCP), 5.8 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.
- [SOFR Futures Convexity Bias — Clearing Margin Walkthrough: 2026 Institutional Audit & Desk Controls](https://instrumentledger.com/specs/sofr-futures-convexity-bias-clearing-margin-walkthrough-097): 2026 institutional desk audit of sofr futures convexity bias focusing on clearing margin walkthrough. Covers statutory register tie-out (SPAN-2), 9.3 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows.

## Publication Scope & Editorial Policy

- [About & Editorial Policy](https://instrumentledger.com/about): Publishing scope, automated content checks, source records, and corrections policy.
- [Research Topics & Thematic Pillar Hubs](https://instrumentledger.com/topics): 9 topic hubs built from 86 pages passing current public indexability checks.
- [Regulated Financial Institutions & Brokers Directory](https://instrumentledger.com/exchanges): 10378 supervised institutions and 54729 regulatory licences (Listed & OTC trading instruments, contract specifications, cross-venue symbology and margin schedules).
- [Global Financial Regulators Directory](https://instrumentledger.com/rulebooks): 83 regulator records and licensing frameworks (Listed & OTC trading instruments, contract specifications, cross-venue symbology and margin schedules).
- [Financial Entity Registry](https://instrumentledger.com/contracts): 18 entity profiles linked to pages passing current public indexability checks.
- [Interactive Quantitative Calculators & Financial Tools](https://instrumentledger.com/calculators): 2 institutional calculators with closed-form formulas and methodology notes.
- [XML Sitemap Index](https://instrumentledger.com/sitemap.xml): Complete machine-readable URL index.
- [Google News Sitemap](https://instrumentledger.com/sitemaps/news.xml): Real-time publication feed for news indexers.
- [RSS 2.0 Institutional Research Feed](https://instrumentledger.com/feed.xml): Syndicated research briefings.
- [Markdown page catalog](https://instrumentledger.com/api/md/catalog): 10590 sitemap-listed public pages with Markdown alternatives.
- [6D Rating Methodology](https://instrumentledger.com/methodology): Quantitative compliance, investor compensation & execution scoring rules.
- [MCP Verification Server](https://instrumentledger.com/api/mcp): Streamable HTTP Model Context Protocol server (descriptor: https://instrumentledger.com/.well-known/mcp.json).
- [OpenAPI 3.1 Verification Spec](https://instrumentledger.com/.well-known/openapi.json): Deterministic licence (/api/v1/verify/license) & clone-domain (/api/v1/verify/domain) verification APIs.

## Topic Pillar Hubs (`/topics`)

- [contract-specifications Research Hub](https://instrumentledger.com/topics/contract-specifications): contract-specifications research topics and source records from Instrument Ledger. Analyzing how BTC and ETH perpetual futures funding rates, composite index constituent weightings, and multi-asset margin collateral specifications behaved during the $6.3 billion Binance breach and withdrawal halt. (50 articles, 9 entities)
- [Derivatives Mechanics Research Hub](https://instrumentledger.com/topics/derivatives-mechanics): Derivatives Mechanics research topics and source records from Instrument Ledger. Deriving the exact arbitrage boundary between continuous 8-hour perpetual funding transfers and discrete quarterly futures expiration convergence. (12 articles, 5 entities)
- [Exchange Margin Models Research Hub](https://instrumentledger.com/topics/exchange-margin-models): Exchange Margin Models research topics and source records from Instrument Ledger. Evaluating what happens when a major clearing member defaults: forensic walk-through of the multi-tiered capital protections safeguarding central counterparties. (12 articles, 3 entities)
- [market-insights Research Hub](https://instrumentledger.com/topics/market-insights): market-insights research topics and source records from Instrument Ledger. Wall St futures mixed amid AI spending concerns; inflation data awaited: Institutional summary of the supplied primary disclosure. Cross-reference official supervisory registers for live updates. (4 articles, 0 entities)
- [Multi-Asset Symbology Research Hub](https://instrumentledger.com/topics/multi-asset-symbology): Multi-Asset Symbology research topics and source records from Instrument Ledger. 2026 institutional desk audit of e-mini tick value multiplier focusing on tick rounding worked example. Covers statutory register tie-out (ISO-10962-SPEC), 10.6 bps quantitative benchmarks, mathematical calibration, and compliance verification workflows. (4 articles, 1 entities)
- [regulatory-benchmarks Research Hub](https://instrumentledger.com/topics/regulatory-benchmarks): regulatory-benchmarks research topics and source records from Instrument Ledger. Comprehensive 2026 empirical benchmark covering 233 institutions and 83 competent authorities tracked by Instrument Ledger, detailing 6D compliance scores, contracting legal entities, and direct register verification. (1 articles, 0 entities)
- [compliance-forensics Research Hub](https://instrumentledger.com/topics/compliance-forensics): compliance-forensics research topics and source records from Instrument Ledger. Practical 2026 due-diligence playbook from Instrument Ledger explaining how to authenticate licence numbers across 83 official registers and detect clone-firm domain spoofing before funding an account. (1 articles, 0 entities)
- [solvency-and-protection Research Hub](https://instrumentledger.com/topics/solvency-and-protection): solvency-and-protection research topics and source records from Instrument Ledger. Institutional comparison of statutory investor compensation schemes, daily client-asset segregation rules, and multi-dimensional counterparty risk scores across Instrument Ledger's 2026 coverage universe. (1 articles, 0 entities)
- [investment-strategy Research Hub](https://instrumentledger.com/topics/investment-strategy): investment-strategy research topics and source records from Instrument Ledger. Investors reconsidering bond allocations may find managed futures exposure a compelling alternative, particularly given the risk of prolonged underperformance in fixed income. This analysis examines the structural case for shifting away from traditional bond holdings. (1 articles, 0 entities)

## Interactive Quantitative Tools (`/tools`)

- [Listed contract basis & implied repo rate calculator](https://instrumentledger.com/calculators/contract-basis-implied-repo-calculator): Compute theoretical contract fair value, cash-futures basis and implied financing repo rate. Formula: F_theoretical = Spot × e^((r_financing − y_income + c_carry) × T) ; Implied repo = ln(F_market ÷ Spot) ÷ T + y_income − c_carry
- [Contract intraday 1σ / 2σ volatility band calculator](https://instrumentledger.com/calculators/intraday-0dte-sigma-band-calculator): Translate annualised contract implied volatility into session-minute 1σ and 2σ price envelopes. Formula: T_session = Remaining_Minutes ÷ (252 × 390) ; 1σ Band = Spot ± (Spot × IV_annual × √T_session)

## Featured Regulated Institutions (`/brokers`)

- [Bitcoin (BTC)](https://instrumentledger.com/exchanges/bitcoin-btc-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [Ethereum (ETH)](https://instrumentledger.com/exchanges/ethereum-eth-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [Tether USDt (USDT)](https://instrumentledger.com/exchanges/tether-usdt-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [XRP (XRP)](https://instrumentledger.com/exchanges/xrp-xrp-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [BNB (BNB)](https://instrumentledger.com/exchanges/bnb-bnb-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [Solana (SOL)](https://instrumentledger.com/exchanges/solana-sol-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [USDC (USDC)](https://instrumentledger.com/exchanges/usd-coin-usdc-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [Dogecoin (DOGE)](https://instrumentledger.com/exchanges/dogecoin-doge-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [Cardano (ADA)](https://instrumentledger.com/exchanges/cardano-ada-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).
- [TRON (TRX)](https://instrumentledger.com/exchanges/tron-trx-spec): Regulated institution profile (12 tracked licences; services: Multi-venue trading instrument, Cross-exchange symbology, Custody & wallet integration).

## Institutional Encyclopedia Sub-Dossiers & Sovereign Jurisdiction Audits

- Authorized AI Indexers & Answer Engines: `GPTBot`, `OAI-SearchBot`, `PerplexityBot`, `ClaudeBot`, `Google-Extended` (full citation & retrieval access enabled).
- [Broker Regulatory Filings Sub-Dossier](https://instrumentledger.com/brokers/[slug]/regulation): Deep-dive licence audit, supervisory status history, and legal entity mapping (`/brokers/[slug]/regulation`).
- [Broker Safety & Client Fund Protection](https://instrumentledger.com/brokers/[slug]/safety): Segregation of client accounts, negative balance protection, and statutory compensation tiers (`/brokers/[slug]/safety`).
- [Broker Fee & Spread Schedule](https://instrumentledger.com/brokers/[slug]/fees): Commission structures, ECN/STP spread benchmarks, overnight financing swaps, and non-trading fee matrices (`/brokers/[slug]/fees`).
- [Broker Execution Platforms & Connectivity](https://instrumentledger.com/brokers/[slug]/platforms): Supported trading terminals, FIX API topology, bridge infrastructure, and execution model (`/brokers/[slug]/platforms`).
- [Regulated Institutional Alternatives](https://instrumentledger.com/brokers/[slug]/alternatives): Side-by-side regulated peer substitutes ranked by supervisory overlap and risk score (`/brokers/[slug]/alternatives`).
- [Broker Tradable Markets & Asset Classes](https://instrumentledger.com/brokers/[slug]/markets): Instrument coverage across FX, derivatives, equities, indices, commodities, and digital assets (`/brokers/[slug]/markets`).
- [Sovereign Resident Protection Audits (30 Jurisdictions)](https://instrumentledger.com/brokers/[slug]/jurisdiction/[iso]): 30 sovereign resident protection audits per entity evaluating local authorisation, cross-border passporting, and investor recourse (`/brokers/[slug]/jurisdiction/[iso]` across US, GB, EU, AU, SG, HK, JP, CA, CH, AE, DE, FR, ES, IT, NL, SE, NO, DK, IE, CY, NZ, ZA, IN, MY, ID, TH, VN, KR, TW, BR).
- [Bitcoin (BTC) Sub-Dossier Suite](https://instrumentledger.com/brokers/bitcoin-btc-spec/regulation): [Regulation](https://instrumentledger.com/brokers/bitcoin-btc-spec/regulation) | [Safety](https://instrumentledger.com/brokers/bitcoin-btc-spec/safety) | [Fees](https://instrumentledger.com/brokers/bitcoin-btc-spec/fees) | [Platforms](https://instrumentledger.com/brokers/bitcoin-btc-spec/platforms) | [Alternatives](https://instrumentledger.com/brokers/bitcoin-btc-spec/alternatives) | [Markets](https://instrumentledger.com/brokers/bitcoin-btc-spec/markets) | [US Audit](https://instrumentledger.com/brokers/bitcoin-btc-spec/jurisdiction/us) | [UK Audit](https://instrumentledger.com/brokers/bitcoin-btc-spec/jurisdiction/gb) | [SG Audit](https://instrumentledger.com/brokers/bitcoin-btc-spec/jurisdiction/sg)
- [Ethereum (ETH) Sub-Dossier Suite](https://instrumentledger.com/brokers/ethereum-eth-spec/regulation): [Regulation](https://instrumentledger.com/brokers/ethereum-eth-spec/regulation) | [Safety](https://instrumentledger.com/brokers/ethereum-eth-spec/safety) | [Fees](https://instrumentledger.com/brokers/ethereum-eth-spec/fees) | [Platforms](https://instrumentledger.com/brokers/ethereum-eth-spec/platforms) | [Alternatives](https://instrumentledger.com/brokers/ethereum-eth-spec/alternatives) | [Markets](https://instrumentledger.com/brokers/ethereum-eth-spec/markets) | [US Audit](https://instrumentledger.com/brokers/ethereum-eth-spec/jurisdiction/us) | [UK Audit](https://instrumentledger.com/brokers/ethereum-eth-spec/jurisdiction/gb) | [SG Audit](https://instrumentledger.com/brokers/ethereum-eth-spec/jurisdiction/sg)
- [Tether USDt (USDT) Sub-Dossier Suite](https://instrumentledger.com/brokers/tether-usdt-spec/regulation): [Regulation](https://instrumentledger.com/brokers/tether-usdt-spec/regulation) | [Safety](https://instrumentledger.com/brokers/tether-usdt-spec/safety) | [Fees](https://instrumentledger.com/brokers/tether-usdt-spec/fees) | [Platforms](https://instrumentledger.com/brokers/tether-usdt-spec/platforms) | [Alternatives](https://instrumentledger.com/brokers/tether-usdt-spec/alternatives) | [Markets](https://instrumentledger.com/brokers/tether-usdt-spec/markets) | [US Audit](https://instrumentledger.com/brokers/tether-usdt-spec/jurisdiction/us) | [UK Audit](https://instrumentledger.com/brokers/tether-usdt-spec/jurisdiction/gb) | [SG Audit](https://instrumentledger.com/brokers/tether-usdt-spec/jurisdiction/sg)

## 10M-URL Encyclopedia Directories: Crypto, Markets, Comparisons, Rankings & Verification

- [Digital Asset & VASP Compliance Directory (`/crypto`)](https://instrumentledger.com/crypto): Institutional digital asset profiles, VASP licensing frameworks, and cross-exchange liquidity telemetry.
- [Digital Asset & VASP Compliance Dossiers (`/crypto/[slug]`)](https://instrumentledger.com/crypto/[slug]): Per-asset regulatory classification, listed regulated venues, and symbology specs (e.g. [Bitcoin](https://instrumentledger.com/crypto/bitcoin), [Ethereum](https://instrumentledger.com/crypto/ethereum), [Solana](https://instrumentledger.com/crypto/solana)).
- [Global Exchange Contract Specifications Hub (`/markets`)](https://instrumentledger.com/markets): 203,112 exchange contract specifications, tick sizes, margin schedules, and cross-venue feed mappings.
- [Exchange Contract Specification Dossier (`/markets/[provider]/[symbol]`)](https://instrumentledger.com/markets/[provider]/[symbol]): Granular venue-symbol contract parameters and regulatory oversight (e.g. [BINANCE:BTCUSDT](https://instrumentledger.com/markets/binance/btcusdt), [COINBASE:BTCUSD](https://instrumentledger.com/markets/coinbase/btcusd), [KRAKEN:XBTUSD](https://instrumentledger.com/markets/kraken/xbtusd)).
- [1v1 Institutional Peer Comparisons Hub (`/compare`)](https://instrumentledger.com/compare): Quantitative head-to-head counterparty benchmarking matrix.
- [1v1 Institutional Peer Comparison Dossier (`/compare/[slugA]-vs-[slugB]`)](https://instrumentledger.com/compare/[slugA]-vs-[slugB]): Deterministic 5D rating, licence tier, and fee differential analysis.
- [Bitcoin (BTC) vs Ethereum (ETH) Institutional Comparison](https://instrumentledger.com/compare/bitcoin-btc-spec-vs-ethereum-eth-spec): Head-to-head regulatory tier, safety score, fee structure, and execution venue comparison.
- [Ethereum (ETH) vs Tether USDt (USDT) Institutional Comparison](https://instrumentledger.com/compare/ethereum-eth-spec-vs-tether-usdt-spec): Head-to-head regulatory tier, safety score, fee structure, and execution venue comparison.
- [Tether USDt (USDT) vs XRP (XRP) Institutional Comparison](https://instrumentledger.com/compare/tether-usdt-spec-vs-xrp-xrp-spec): Head-to-head regulatory tier, safety score, fee structure, and execution venue comparison.
- [XRP (XRP) vs BNB (BNB) Institutional Comparison](https://instrumentledger.com/compare/xrp-xrp-spec-vs-bnb-bnb-spec): Head-to-head regulatory tier, safety score, fee structure, and execution venue comparison.
- [BNB (BNB) vs Solana (SOL) Institutional Comparison](https://instrumentledger.com/compare/bnb-bnb-spec-vs-solana-sol-spec): Head-to-head regulatory tier, safety score, fee structure, and execution venue comparison.
- [Regulatory Score Leaderboards Hub (`/rankings`)](https://instrumentledger.com/rankings): Multi-faceted institutional rankings by supervisory tier, risk score, jurisdiction, and asset class.
- [Faceted Regulatory Score Leaderboard (`/rankings/[facet]`)](https://instrumentledger.com/rankings/[facet]): Specialized leaderboards including [Overall Score](https://instrumentledger.com/rankings/overall-score), [Tier-1 Regulated](https://instrumentledger.com/rankings/tier-1-regulated), [Lowest Risk](https://instrumentledger.com/rankings/lowest-risk), and [Crypto Exchanges](https://instrumentledger.com/rankings/crypto-exchanges).
- [Deterministic Licence & Domain Verification Hub (`/verify`)](https://instrumentledger.com/verify): Real-time regulatory register lookup and clone-domain authenticity scanner.
- [Licence Number Verification (`/verify/license/[number]`)](https://instrumentledger.com/verify/license/[number]): Direct certificate number verification against primary supervisory registries.
- [Official Domain & Clone Verification (`/verify/domain/[domain]`)](https://instrumentledger.com/verify/domain/[domain]): Domain provenance verification and suspected clone warning cross-check.
- [Master HTML Sitemap & Directory (`/directory`)](https://instrumentledger.com/directory): Hierarchical HTML sitemap indexing all institutional dossiers, regulators, markets, comparisons, and briefings.

## 10-Language International Portals

- [English (Default)](https://instrumentledger.com/): Primary institutional edition (`en`).
- [Simplified Chinese (简体中文 — `/zh-Hans`)](https://instrumentledger.com/zh-Hans): Localized institutional encyclopedia, regulatory ratings, and verification portal.
- [Traditional Chinese (繁體中文 — `/zh-Hant`)](https://instrumentledger.com/zh-Hant): Localized institutional encyclopedia, regulatory ratings, and verification portal.
- [Japanese (日本語 — `/ja`)](https://instrumentledger.com/ja): Localized institutional encyclopedia, regulatory ratings, and verification portal.
- [Korean (한국어 — `/ko`)](https://instrumentledger.com/ko): Localized institutional encyclopedia, regulatory ratings, and verification portal.
- [Spanish (Español — `/es`)](https://instrumentledger.com/es): Localized institutional encyclopedia, regulatory ratings, and verification portal.
- [Portuguese (Português — `/pt`)](https://instrumentledger.com/pt): Localized institutional encyclopedia, regulatory ratings, and verification portal.
- [Arabic (العربية — `/ar`)](https://instrumentledger.com/ar): Localized institutional encyclopedia, regulatory ratings, and verification portal.
- [Vietnamese (Tiếng Việt — `/vi`)](https://instrumentledger.com/vi): Localized institutional encyclopedia, regulatory ratings, and verification portal.
- [Thai (ไทย — `/th`)](https://instrumentledger.com/th): Localized institutional encyclopedia, regulatory ratings, and verification portal.

## Open JSON APIs (`/api/v1/*`)

- [Broker Dossier JSON API (`/api/v1/brokers/[slug]`)](https://instrumentledger.com/api/v1/brokers/[slug]): Machine-readable institutional profile, 5D ratings, licences, and risk telemetry.
- [Market Contract Specification JSON API (`/api/v1/markets/[provider]/[symbol]`)](https://instrumentledger.com/api/v1/markets/[provider]/[symbol]): Structured contract specification, venue mapping, and supervisory coverage.
- [1v1 Institutional Comparison JSON API (`/api/v1/compare/[pair]`)](https://instrumentledger.com/api/v1/compare/[pair]): Side-by-side counterparty comparison payload for `[slugA]-vs-[slugB]`.
- [Regulatory Leaderboard JSON API (`/api/v1/rankings/[facet]`)](https://instrumentledger.com/api/v1/rankings/[facet]): Ranked institutional leaderboard dataset by facet.
- [Licence Verification JSON API (`/api/v1/verify/license`)](https://instrumentledger.com/api/v1/verify/license): Deterministic regulatory certificate lookup endpoint.
- [Domain Verification JSON API (`/api/v1/verify/domain`)](https://instrumentledger.com/api/v1/verify/domain): Deterministic domain authenticity and clone-flag verification endpoint.