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Claude/market data backend design 6w6f4r#91

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lets-try wants to merge 4 commits into
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lets-try:claude/market-data-backend-design-6w6f4r
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Claude/market data backend design 6w6f4r#91
lets-try wants to merge 4 commits into
ed-donner:mainfrom
lets-try:claude/market-data-backend-design-6w6f4r

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lets-try and others added 4 commits June 30, 2026 10:30
Document the as-built market data subsystem in planning/MARKET_DATA_DESIGN.md:
unified MarketDataSource interface, thread-safe PriceCache, GBM simulator with
Cholesky-correlated moves, Massive (Polygon.io) REST poller, factory selection,
and the SSE streaming endpoint. Includes code snippets, FastAPI lifecycle and
watchlist integration, testing strategy, error handling, and configuration.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012Qe4fCNQNyhDeRdLvB49cL
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2 participants