Daily EOD bar series (OHLCV) for a company over a date range. Returns up to 252 trading-day bars oldest-first — one bar per trading day. Each bar carries: open / high / low / close (raw, unadjusted), total_return_index (dividends reinvested and splits neutralized, forward-compounded from an arbitrary base so only RATIOS of it are meaningful — TOTAL RETURN BETWEEN TWO DATES IS tri_b / tri_a - 1; it is PIT-immutable, so a later dividend appends rather than restating), adjusted_close (the vendor's own back-adjusted series — SPARSELY POPULATED, usually null, and retroactively restated on each corporate action so it is NOT PIT-immutable; prefer total_return_index), volume (shares traded), div_cash (ex-dividend cash per share on that date, 0 on non-dividend days), and split_factor (1.0 on non-split days). Never compute a return from raw close — a 4-for-1 split reads as a 75% crash. If total_return_index is null across the returned bars (a tier that has not re-exported since schema 2.29.0), the response note says so and you should compound close with div_cash / split_factor instead. For a company with more than one listing (dual-class, CVR), bars are the requested share class where the data supports it; listing_resolution and multi_listing on the response say which listing you actually received. Omit start_date for the trailing year before end_date. Omit end_date for the latest available close. Coverage follows your plan's tier slice: full = all companies & all history, pro = all companies & last 15 years, sp500 = S&P 500 only, sample = S&P 500 & last 5 years. Available on all plans.
