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• 1 of 7: MARKET DATA ENGINE, 2026. C++ order-book pipeline with replayable feeds and latency traces.
• 2 of 7: RISK LATTICE, 2026. Intraday Greeks, VaR snapshots, and pre-trade limit checks.
• 3 of 7: EXECUTION LAB, 2025. Event-driven backtester with queue position and slippage models.
• 4 of 7: LEDGER CORE, 2025. Double-entry ledger with idempotent writes and reconciliation.
• 5 of 7: FRAUD SIGNALS, 2025. Streaming anomaly signals for payment and account risk.
• 6 of 7: PRICING SURFACE, 2024. Options workspace for implied vol and scenario analysis.
• 7 of 7: OBSERVABILITY DESK, 2025. Latency telemetry and replay tools for order-flow incidents.