OHLCV price bars for a symbol and resolution

TradingView UDF history bars for one symbol at one resolution, covering [from, to) (Unix seconds; to is exclusive). Returns column arrays (t, o, h, l, c, v) of equal length, oldest-first. When the window holds no bars the response is a 200 with { "s": "no_data" } (plus nextTime pointing at the nearest earlier bar when one exists), per the UDF contract. Equity bars also carry sided-volume columns (bv/sv/uv = buy / sell / unclassified) where available.

Request-window limit

One call may span at most a fixed number of trading days, set by the bar tier the resolution reads from — not by the resolution itself. 240 and 60 share the 1-hour tier and therefore share its allowance.

Tier	Resolutions	Max trading days / request
1-min	1 2 3 5 15 30	90
1-hour	60 240 480	720
1-day	D W	2,600

A window wider than the cap is rejected with 400, carrying the two numbers a client needs to react (requested_days, max_days). It is never silently shortened — a short { "s": "ok" } always means the data ends there, never that your range was clipped. Page through anything wider in windows of max_days or fewer.

A rejected 400 is refunded (failed calls are free). The caps are fixed and published here, so check your range before sending it rather than discovering the limit by retrying. /v1/config is free if you would rather read the feed's capabilities first.

Cache-Control tracks data freshness: today max-age=2, the prior session max-age=60, older complete days immutable. A 400 is no-store.