What it returns
Daily US listed options activity from the Options Clearing Corporation, the clearing house for every US options exchange. One source covers all 18 venues. Use it to: - rank the most active option underlyings each day - track put/call ratios and customer versus market-maker flow for any ticker - map open interest by strike and expiration (call and put walls, expiry concentration) - follow market-wide contract volume day by day
Request
POST https://api.pushbuild.com/occ-options-volume/run with a JSON body. Send your key in the X-API-Key header.
| Field | Type | Description |
|---|---|---|
mode | string: volume, openInterest, dailyTotals | Volume by underlying (one day or a date range), open interest per strike and expiration, or OCC's market-wide daily contract totals. Default: "volume". |
symbols | list of strings | Tickers such as AAPL or SPY. Volume: empty = every underlying, ranked by volume. Open interest: required. |
dateFrom | string | YYYY-MM-DD. Volume: start of a range (up to 31 trading days with symbols, 5 without). Empty = latest trading day. Daily totals: start of range. |
dateTo | string | YYYY-MM-DD end of range. Default today. |
byExchange | boolean | Volume: add call and put volume per exchange. Default: false. |
minVolume | integer | Volume: skip underlyings that traded fewer contracts. Default: 0. |
groupByExpiration | boolean | Open interest: one row per expiration instead of per strike. Default: false. |
expirationFrom | string | Open interest: earliest expiration (YYYY-MM-DD). |
expirationTo | string | Open interest: latest expiration (YYYY-MM-DD). |
minOpenInterest | integer | Open interest: skip strikes with fewer open contracts. Default: 0. |
maxItems | integer | Maximum items to return (1-500). Default: 100. |
Example
curl -X POST https://api.pushbuild.com/occ-options-volume/run \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"symbols": ["SPY", "AAPL"], "dateFrom": "", "dateTo": "", "expirationFrom": "", "expirationTo": "", "maxItems": 20}'Response
{"count": 20, "truncated": false, "seconds": 1.4, "items": [ { ... } ]}Each call returns up to 500 items. Records that fail validation or are not found are flagged in the items and not charged.
Pricing
Pay only for results returned: $0.40 per 1,000 rows. No charge for errors or empty searches.
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