Stock options give the right to buy or sell shares of a specific stock at a predetermined price and date. The API endpoint provides daily historical stock option prices and volumes. There is a limit of 300 records per API call.
https://financialdata.net/api/v1/option-prices?identifier=MSFT260828C00505000&key=API_KEY| Name | Type | Description | Example |
|---|---|---|---|
| identifier | string | The contract name for a stock option. | MSFT260828C00505000 |
| offset | integer | (Optional) The initial position of the record subset, which indicates how many records to skip. Defaults to 0. | 300 |
| format | string | (Optional) The format of the returned data, either JSON or CSV. Defaults to JSON. | json, csv |
[
{
"contract_name": "MSFT260828C00505000",
"date": "2026-08-27",
"open": 0.73,
"high": 4.3,
"low": 0.31,
"close": 3.19,
"volume": 37633.0
},
{
"contract_name": "MSFT260828C00505000",
"date": "2026-08-26",
"open": 0.49,
"high": 1.98,
"low": 0.49,
"close": 1.45,
"volume": 6612.0
},
...
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