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Release: historical options data starts in 2010 - #236
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…bol change The optionSymbol note on /api/options/quotes and the option symbol note on the Sheets OPTIONDATA page told readers to use the current OCC format "even for historic options" that quoted before the 2010 format change. That reads as a promise of options data from before 2010. Both notes now say the historical options data starts in 2010, with the symbol format change.
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Release 2372ce3: historical options data starts in 2010, at the OCC symbol change.
Two sentences told readers to use the current OCC symbol format "even for" options quoted before the 2010 format change. That implied data from before 2010. Both now say that historical options data starts in 2010.
api/options/quotes.mdx: theoptionSymbolparameter.sheets/options/optiondata.md: theoption symbolargument ofOPTIONDATA.stagingismainplus 2372ce3; the tree diff is these two lines. Verified on www-staging (build-info names 2372ce3). The website half is released separately.The operator authorized the production release ("ship both", taylor manager session, 2026-11-09).