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Concepts › Signals › Price action › Performance & change

premarket_change_pct

Pre-market: percent change from the previous session close to the latest pre-market print. Resets at session boundary.

metadata
typenumeric
unit%
cadence1 min · mkt hrs
intervals1m/1h/1d
universeall tickers
historynone
nullableyes — NULL where not applicable

Swap YOUR_KEY for a key from /dashboard/keys. Responses are real captures from 2026-09-18, trimmed.

The whole market, filtered on it /v2/scan

Live — the whole market, ranked by this column
curl -X POST "https://api.tickerbot.io/v2/scan" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_KEY" \
  -d '{ "q": "premarket_change_pct IS NOT NULL", "order": "premarket_change_pct", "columns": "premarket_change_pct" }'
As-of — the same scan at a past date
curl -X POST "https://api.tickerbot.io/v2/scan" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_KEY" \
  -d '{ "q": "premarket_change_pct IS NOT NULL", "order": "premarket_change_pct", "columns": "premarket_change_pct", "asof": "2026-06-28" }'

Its history /v2/series

History — the column on an aligned time grid
curl "https://api.tickerbot.io/v2/series?tickers=AAPL,MSFT&columns=close,premarket_change_pct" \
  -H "Authorization: Bearer YOUR_KEY"

Same grammar on scan, series, and webhooks; state reads take ?asof= for point-in-time answers.

Related signals — Performance & change