# premarket_change_pct

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

A numeric signal column on the Tickerbot computed state table (21,082+ ticker rows) — computed by the platform, queryable by bare name across the API. Values are NULL on rows the signal doesn't apply to.

- Group: Price action
- Category: Performance & change
- Type: numeric
- Unit: %
- Update cadence: 1 min · mkt hrs
- Intervals: 1m/1h/1d
- Universe: all tickers
- History: none
- Nullable: yes

## Query it

Every applicable form factor, grouped by endpoint family. Response payloads are real captures, sampled 2026-09-18 and trimmed; your run's values and dates will differ.

### The whole market, filtered on it — `/v2/scan` (https://tickerbot.io/docs/endpoints/scan.md)

#### Live — the whole market, ranked by this column

```bash
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

```bash
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` (https://tickerbot.io/docs/endpoints/series.md)

#### History — the column on an aligned time grid

```bash
curl "https://api.tickerbot.io/v2/series?tickers=AAPL,MSFT&columns=close,premarket_change_pct" \
  -H "Authorization: Bearer YOUR_KEY"
```

## Related signals (Performance & change)

- [afterhours_change_pct](https://tickerbot.io/docs/signals/afterhours_change_pct.md)
- [change_1d_pct](https://tickerbot.io/docs/signals/change_1d_pct.md)
- [change_1m_pct](https://tickerbot.io/docs/signals/change_1m_pct.md)
- [change_1w_pct](https://tickerbot.io/docs/signals/change_1w_pct.md)
- [change_1y_pct](https://tickerbot.io/docs/signals/change_1y_pct.md)
- [change_3m_pct](https://tickerbot.io/docs/signals/change_3m_pct.md)
- [change_6m_pct](https://tickerbot.io/docs/signals/change_6m_pct.md)
- [change_ytd_pct](https://tickerbot.io/docs/signals/change_ytd_pct.md)
- [day_change](https://tickerbot.io/docs/signals/day_change.md)
- [days_down](https://tickerbot.io/docs/signals/days_down.md)
- [days_up](https://tickerbot.io/docs/signals/days_up.md)
- [from_open_pct](https://tickerbot.io/docs/signals/from_open_pct.md)
- [price_down_3pct](https://tickerbot.io/docs/signals/price_down_3pct.md)
- [price_up_3pct](https://tickerbot.io/docs/signals/price_up_3pct.md)
- [top_gainer](https://tickerbot.io/docs/signals/top_gainer.md)

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Full catalog: https://tickerbot.io/docs/signals/catalog.md · Schema: https://tickerbot.io/docs/schema.md · HTML: https://tickerbot.io/docs/signals/premarket_change_pct/