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Concepts › Signals › Fundamentals › Short interest

days_to_cover

Short interest divided by 30-day average daily volume. Trader’s "how many days of normal trading to cover all shorts" measure.

metadata
typenumeric
unitdays
cadencepost-close daily
intervals1d
universeall tickers
historyrecent only (forward-only from first computation)
nullableyes — NULL where not applicable

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

Every ticker matching this signal /v2/signals/{signal}

Live — every ticker with days_to_cover above a cutoff
curl -G "https://api.tickerbot.io/v2/signals/days_to_cover" \
  --data-urlencode "condition=> 66.43" \
  -H "Authorization: Bearer YOUR_KEY"
Response (sampled 2026-09-18, trimmed)
{
 "as_of": "2026-09-18T14:38:09.554Z",
 "signal": "days_to_cover",
 "condition": "> 66.43",
 "universe": null,
 "count": 2,
 "results": [
  {
   "ticker": "ACGCU",
   "name": "ACP Holdings Acquisition Corp. Units",
   "value": 999.99
  },
  {
   "ticker": "ADACU",
   "name": "American Drive Acquisition Company Units",
   "value": 999.99
  }
 ]
}
As-of — the same read at a past date
curl -G "https://api.tickerbot.io/v2/signals/days_to_cover" \
  --data-urlencode "condition=> 66.43" \
  -d "asof=2026-07-04" \
  -H "Authorization: Bearer YOUR_KEY"
Response (sampled 2026-09-18, trimmed)
{
 "as_of": "2026-06-20",
 "signal": "days_to_cover",
 "condition": "> 66.43",
 "universe": null,
 "count": 2,
 "results": [
  {
   "ticker": "ALFUU",
   "name": "Centurion Acquisition Corp. Unit",
   "value": 999.99
  },
  {
   "ticker": "BFJA",
   "name": "FT Vest Bitcoin Strategy Floor15 ETF - January",
   "value": 999.99
  }
 ]
}
Subscribe — webhook when a ticker starts matching
curl -X POST "https://api.tickerbot.io/v2/signals/days_to_cover/subscribe" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_KEY" \
  -d '{"condition": "> 66.43", "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.

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": "days_to_cover IS NOT NULL", "order": "days_to_cover", "columns": "days_to_cover" }'
Response (sampled 2026-09-18, trimmed)
{
 "as_of": "2026-09-18T14:38:12.723Z",
 "query": {
  "q": "days_to_cover IS NOT NULL",
  "limit": 2,
  "order": "days_to_cover",
  "dir": "desc",
  "fields": [
   "days_to_cover"
  ],
  "full": false,
  "universe": null,
  "asset_class": null
 },
 "count": 2,
 "results": [
  {
   "ticker": "ACGCU",
   "name": "ACP Holdings Acquisition Corp. Units",
   "asset_class": "stocks",
   "asset_type": "UNIT",
   "price": 10.101,
   "change_1d_pct": null,
   "gap_pct": null,
   "relative_volume": null,
   "market_cap": null,
   "days_to_cover": 999.99
  },
  {
   "ticker": "ADACU",
   "name": "American Drive Acquisition Company Units",
   "asset_class": "stocks",
   "asset_type": "UNIT",
   "price": 10.445,
   "change_1d_pct": null,
   "gap_pct": null,
   "relative_volume": null,
   "market_cap": null,
   "days_to_cover": 999.99
  }
 ]
}
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": "days_to_cover IS NOT NULL", "order": "days_to_cover", "columns": "days_to_cover", "asof": "2026-07-04" }'
Response (sampled 2026-09-18, trimmed)
{
 "as_of": "2026-06-20",
 "query": {
  "q": "days_to_cover IS NOT NULL",
  "asof": "2026-06-20",
  "interval": "auto",
  "limit": 2,
  "order": "days_to_cover",
  "dir": "desc",
  "fields": [
   "days_to_cover"
  ],
  "full": false,
  "universe": null,
  "asset_class": null
 },
 "count": 2,
 "results": [
  {
   "ticker": "ALFUU",
   "name": "Centurion Acquisition Corp. Unit",
   "asset_class": "stocks",
   "asset_type": "UNIT",
   "price": 10.91,
   "change_1d_pct": -0.3743950324171342,
   "gap_pct": -0.3743950324171342,
   "relative_volume": null,
   "market_cap": null,
   "days_to_cover": 999.99
  },
  {
   "ticker": "BFJA",
   "name": "FT Vest Bitcoin Strategy Floor15 ETF - January",
   "asset_class": "stocks",
   "asset_type": "ETF",
   "price": 17.485,
   "change_1d_pct": -0.37774979631139455,
   "gap_pct": -0.2922860414898112,
   "relative_volume": null,
   "market_cap": null,
   "days_to_cover": 999.99
  }
 ]
}
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": "days_to_cover > 66.43", "target_url": "https://example.com/hooks/tickerbot"}'

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

Its history /v2/series

History — the column on an aligned time grid
curl "https://api.tickerbot.io/v2/series?tickers=AAPL,MSFT&columns=close,days_to_cover" \
  -H "Authorization: Bearer YOUR_KEY"
Response (sampled 2026-09-18, trimmed)
{
 "as_of": "2026-09-18T14:38:15.909Z",
 "interval": "1d",
 "tickers": [
  "AAPL",
  "MSFT"
 ],
 "columns": [
  "close",
  "days_to_cover"
 ],
 "count": 6,
 "series": {
  "AAPL": [
   {
    "t": "2026-09-15",
    "close": 331.34,
    "days_to_cover": 3.53
   },
   {
    "t": "2026-09-16",
    "close": 332.41,
    "days_to_cover": 3.53
   },
   {
    "t": "2026-09-17",
    "close": 337.002,
    "days_to_cover": 3.53
   }
  ],
  "MSFT": [
   {
    "t": "2026-09-15",
    "close": 497.12,
    "days_to_cover": 3.18
   },
   {
    "t": "2026-09-16",
    "close": 490.3,
    "days_to_cover": 3.18
   },
   {
    "t": "2026-09-17",
    "close": 497.75,
    "days_to_cover": 3.18
   }
  ]
 }
}

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

Related signals — Short interest