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HFChart — la référence des charts haute fréquence : 14 types rendus canvas from scratch (zéro dépendance), données HF Market Data — www.hfchart.io

…s Live inventory of the lake Instrument discovery per type/timeframe/adjustment OHLCV bars, precise / windows, up to 2M rows in CSV Multi ticker bars in one call (per ticker limit) Whole watchlist at one precise moment F…

…ion contracts (11,077 underlyings, 2010–2025) merged with 11.5 billion intraday OHLCV observations: RQ Question Headline result RQ1 Do implied moments predict cross sectional returns? Weekly yes (R² 4.8–19.3%), daily no;…