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Concepts › Signals › Price action › Performance & change

from_open_pc

Intraday: percent change from today’s session open to the latest snapshot price. Resets at session boundary.

Watch this signal live on real tickers: Open in Explore →

At a glance

Typenumeric
GroupPrice action
CategoryPerformance & change
Unit%
Update cadence1 min · mkt hrs
Intervals1m/1h/1d
Universeall tickers
Historyfull · since 2003
Nullableyes — NULL where not applicable

Price change over standard horizons — today through 1 year — plus streaks and day-mover flags.

Query it

Every applicable form factor, grouped by endpoint family. Swap YOUR_KEY for the value from /dashboard/keys. Response payloads are real captures, sampled 2026-08-18 and trimmed — your run's values and dates will differ.

Use signals /v2/signals/{signal}

One signal across the market: who matches now, who matched then, and a push when someone starts. Docs →

Live — every ticker with from_open_pc above a cutoff
curl -G "https://api.tickerbot.io/v2/signals/from_open_pc" \
  --data-urlencode "condition=> 0.1458" \
  -H "Authorization: Bearer YOUR_KEY"
Response (sampled 2026-08-18, trimmed)
{
 "as_of": "2026-08-18T00:23:54.373Z",
 "signal": "from_open_pc",
 "condition": "> 0.1458",
 "universe": null,
 "count": 2,
 "results": [
  {
   "ticker": "RNWWW",
   "name": "ReNew Energy Global plc Warrant",
   "value": 4.74
  },
  {
   "ticker": "WETO",
   "name": "Wetour Robotics Limited Ordinary Shares",
   "value": 2.4803
  }
 ]
}
As-of — the same read at a past date
curl -G "https://api.tickerbot.io/v2/signals/from_open_pc" \
  --data-urlencode "condition=> 0.1458" \
  -d "asof=2026-05-20" \
  -H "Authorization: Bearer YOUR_KEY"
Response (sampled 2026-08-18, trimmed)
{
 "as_of": "2026-05-20",
 "signal": "from_open_pc",
 "condition": "> 0.1458",
 "universe": null,
 "count": 2,
 "results": [
  {
   "ticker": "ELOX",
   "name": "Eloxx Pharmaceuticals, Inc. Common Stock",
   "value": 9.979999999999999
  },
  {
   "ticker": "TE.WS",
   "name": "T1 Energy Inc. Warrants, each whole warrant exercisable to purchase one Common Stock at an exercise price of $11.50 per share",
   "value": 1.8571428571428574
  }
 ]
}
Subscribe — webhook when a ticker starts matching
curl -X POST "https://api.tickerbot.io/v2/signals/from_open_pc/subscribe" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_KEY" \
  -d '{"condition": "> 0.1458", "target_url": "https://example.com/hooks/tickerbot"}'

Returns 201 with the created webhook — the same shape as GET /v2/webhooks/{id}, plus a one-time signing_secret for HMAC verification.

Use scan /v2/scan

The whole market through a WHERE clause — this signal composed freely with any other column. Docs →

Live — the whole market, ranked by this column
curl -G "https://api.tickerbot.io/v2/scan" \
  --data-urlencode "q=from_open_pc IS NOT NULL" \
  -d "order=from_open_pc" -d "columns=from_open_pc" \
  -H "Authorization: Bearer YOUR_KEY"
Response (sampled 2026-08-18, trimmed)
{
 "as_of": "2026-08-18T00:23:57.626Z",
 "query": {
  "q": "from_open_pc IS NOT NULL",
  "limit": 2,
  "order": "from_open_pc",
  "dir": "desc",
  "fields": [
   "from_open_pc"
  ],
  "full": false,
  "universe": null,
  "asset_class": null
 },
 "count": 2,
 "results": [
  {
   "ticker": "RNWWW",
   "name": "ReNew Energy Global plc Warrant",
   "asset_class": "stocks",
   "asset_type": "WARRANT",
   "price": 0.0057,
   "day_change_pct": 4.74,
   "gap_pct": null,
   "relative_volume": 9.2746,
   "market_cap": null,
   "from_open_pc": 4.74
  },
  {
   "ticker": "WETO",
   "name": "Wetour Robotics Limited Ordinary Shares",
   "asset_class": "stocks",
   "asset_type": "CS",
   "price": 35.36,
   "day_change_pct": 3.3017,
   "gap_pct": 0.236,
   "relative_volume": 3.2667,
   "market_cap": 6746976,
   "from_open_pc": 2.4803
  }
 ]
}
As-of — the same scan at a past date
curl -G "https://api.tickerbot.io/v2/scan" \
  --data-urlencode "q=from_open_pc IS NOT NULL" \
  -d "order=from_open_pc" -d "columns=from_open_pc" \
  -d "asof=2026-05-20" \
  -H "Authorization: Bearer YOUR_KEY"
Response (sampled 2026-08-18, trimmed)
{
 "as_of": "2026-05-20",
 "query": {
  "q": "from_open_pc IS NOT NULL",
  "asof": "2026-05-20",
  "interval": "auto",
  "limit": 2,
  "order": "from_open_pc",
  "dir": "desc",
  "fields": [
   "from_open_pc"
  ],
  "full": false,
  "universe": null,
  "asset_class": null
 },
 "count": 2,
 "results": [
  {
   "ticker": "ELOX",
   "name": "Eloxx Pharmaceuticals, Inc. Common Stock",
   "asset_class": "stocks",
   "asset_type": "CS",
   "price": 6.039,
   "day_change_pct": 997.9999999999999,
   "gap_pct": 0,
   "relative_volume": 4.393151941302354,
   "market_cap": null,
   "from_open_pc": 9.979999999999999
  },
  {
   "ticker": "TE.WS",
   "name": "T1 Energy Inc. Warrants, each whole warrant exercisable to purchase one Common Stock at an exercise price of $11.50 per share",
   "asset_class": "stocks",
   "asset_type": "WARRANT",
   "price": 1,
   "day_change_pct": 227.8688524590164,
   "gap_pct": 14.754098360655732,
   "relative_volume": 13.463851325404573,
   "market_cap": 160977000,
   "from_open_pc": 1.8571428571428574
  }
 ]
}
Subscribe — webhook on a market-wide condition
curl -X POST "https://api.tickerbot.io/v2/scan/subscribe" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_KEY" \
  -d '{"q": "from_open_pc > 0.1458", "target_url": "https://example.com/hooks/tickerbot"}'

Returns 201 with the created webhook object; deliveries carry the tickers matching the condition at each evaluation.

Use series /v2/series

Its history over time, on one aligned grid. Docs →

History — the column on an aligned time grid
curl "https://api.tickerbot.io/v2/series?tickers=AAPL,MSFT&columns=close,from_open_pc" \
  -H "Authorization: Bearer YOUR_KEY"
Response (sampled 2026-08-18, trimmed)
{
 "as_of": "2026-08-18T00:24:00.394Z",
 "interval": "1d",
 "tickers": [
  "AAPL",
  "MSFT"
 ],
 "columns": [
  "close",
  "from_open_pc"
 ],
 "count": 6,
 "series": {
  "AAPL": [
   {
    "t": "2026-08-12",
    "close": 302.25,
    "from_open_pc": -0.00952146837102599
   },
   {
    "t": "2026-08-13",
    "close": 305.26,
    "from_open_pc": 0.003425265441635811
   },
   {
    "t": "2026-08-14",
    "close": 305.93,
    "from_open_pc": -0.0002777777777777109
   }
  ],
  "MSFT": [
   {
    "t": "2026-08-12",
    "close": 492.43,
    "from_open_pc": -0.015012300246004978
   },
   {
    "t": "2026-08-13",
    "close": 496.88,
    "from_open_pc": 0.007369263985889919
   },
   {
    "t": "2026-08-14",
    "close": 495.4,
    "from_open_pc": -0.002377330741102652
   }
  ]
 }
}

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

Related signals — Performance & change