18 institutional-grade modules. 60+ API endpoints. Zero licenses required.
Your customers hold the licenses. We provide the technology.
Like Nasdaq Market Technology — not Nasdaq the exchange.
18 modules. Every component a regulated venue needs, integrated and audit-ready.
Price-time priority, 10 order types including Iceberg and OCO
BTreeMap LOB, tenant-isolated, FIFO within price level
LULD bands, state machine: Continuous, LimitState, Halted, Auction
Opening, Closing, Volatility, IPO, and Resumption auctions
Kill switch, rate limiting, gross exposure checks
Initial/maintenance margin (Reg T/FINRA), margin calls
7 alert types: wash trading, spoofing, layering, front-running
Maker/taker pricing, volume tiers, rebates
SHA-256 tamper-evident chain (CAT/MiFID II/SEC 17a-4)
Full lifecycle: list, activate, suspend, halt, delist
KYC/AML, roles, permissions, sponsored access
Position tracking, weighted avg cost basis, realized P&L
CCP model, novation, multilateral netting, default fund waterfall
Quote management, inventory skew, compliance scorecards
Full codec + session layer (logon/heartbeat/resend)
Real-time streaming: market data, executions, depth
6 strategies: BestPrice, VWAP, DarkFirst, LowestLatency
Compliance trade reporting (TRF/APA/CAT)
Built for regulated markets from day one. Every module maps to a compliance requirement.
Licensed operators who need institutional-grade infrastructure.
Licensed digital asset venues
Security tokens and RWA markets
Internal matching and risk
Retail execution infrastructure
Emerging market venues
Alternative trading systems
Rust-native. Deterministic. Auditable.
TradingOS does not re-implement identity, audit, detection, or agent orchestration. It composes with the Transaction Science family.
WebAuthn / FIDO2 for traders. Signed pre-trade orders. Non-repudiable cancels and modifies. Quantum-safe all the way to the FIX gateway.
sign(order, ML-DSA)
Every trade pattern measured as a distance from legitimate behavior. Spoofing, layering, wash trading — detected reproducibly with full provenance.
NCD(pattern, baseline)
Venue infrastructure protected by SIEM + SOAR. Latency anomalies, credential misuse, and abnormal messaging patterns all monitored in-line.
detect(anomaly)
Trading-desk agents wrap the 19-layer TX Science cascade. Market data lookup at microjoules. LLM reserved for compliance narrative and client reporting.
cascade.desk(query)