Open High Low Close (v3)

ValueStandardPro

GET

https://localhost:25503/v3/option/snapshot/ohlc

REQUIRED

The v3 Theta Terminal must be running to access data.

• Retrieve a real-time last ohlc of an option contract for the trading day.
• You might need to change the default expiration date to a different date if it is past the current date.

Sample URL

Paste the URL below into your browser while the Theta Terminal is running.

Returns OHLC for a given option contract

http://localhost:25503/v3/option/snapshot/ohlc?symbol=AAPL&expiration=20260116&right=call&strike=275.000

Returns OHLC for all option contracts

http://localhost:25503/v3/option/snapshot/ohlc?symbol=AAPL&expiration=*

Query Parameters

symbolRequired  -

The stock or index symbol, or underlying symbol for options.

Type: string

expirationRequired  -

The expiration of the contract in YYYY-MM-DD or YYYYMMDD format, or * for all expirations.

Type: string

strike  -

The strike price of the contract in dollars (ie 100.00 for $100.00), or * for all strikes.

Type: string (Default: *)

right  -

The right (call or put) of the contract.

Type: string (Default: both)

Enumcall, put, both

format  -

The format of the data when returned to the user.

Type: string (Default: csv)

Enumcsv, json, ndjson

Sample Code

Python