Bulk OHLC

StandardPro

GET

http://127.0.0.1:25510/v2/bulk_snapshot/option/ohlc

REQUIRED

The Theta Terminal must be running to access data.

Behavior

• Retrieve a real-time last SIP corrected session OHLC for all option contracts that share the same expiration and root.
• Make exp 0 if you want to get the snapshot for every expiration chain for the underlying.

Sample URL & Code

Paste the URL below into your browser while the Theta Terminal is running.
You can use the "request sample" box to the right of this box obtain sample
code in any programming language.

http://127.0.0.1:25510/v2/bulk_snapshot/option/ohlc?root=AAPL&exp=20260116

This endpoint will return no data if the market was closed for the day. Theta Data resets the snapshot cache at midnight ET every night.

Parameters

Query Parameters

rootRequired  -

The symbol of the security. Option underlyings for indices might have special tickers.

Type: string

expRequired  -

The expiration date of the option contract formatted as YYYYMMDD.

Type: integer

use_csv  -

Output is in comma-separated values if true, legacy JSON if false.

Type: boolean (Default: false)

pretty_time  -

If this value is set to true, ms_of_day and date will take the format of 09:30:00.000 and 2020-01-01; if set to false, ms_of_day will return the timestamp in milliseconds since midnight EST.

Type: boolean (Default: false)

Responses

OK

Content-Type

Sample Code

Python