ThetaData v3
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ValueStandardPro

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://127.0.0.1:25503/v3/option/snapshot/ohlc?symbol=AAPL&expiration=20270115&right=call&strike=270.000

Returns OHLC for all option contracts
http://127.0.0.1:25503/v3/option/snapshot/ohlc?symbol=AAPL&expiration=*

Click to open in browser (HTML)
http://127.0.0.1:25503/v3/option/snapshot/ohlc?symbol=AAPL&expiration=*&format=html

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
max_dte  -

If specified, only contracts with a full calendar day 'Days to Expiration' (DTE) less than or equal to this number will be returned.

Type: integer
strike_range  -

Used to specify a filter to limit the number of contracts returned relative to the underlying's spot price. Will return the specified number of strikes above and below the spot price, as well as the at-the-money strike.

Type: integer
min_time  -

Filters snapshots to include only data with a timestamp greater or equal to the specified value (HH:mm:ss.SSS format).

Type: string
format  -

The format of the data when returned to the user.

Type: string (Default: csv)
Enumcsv, json, ndjson, html

Responses ​

Returns OHLC for a given option contract

array of:

Sample Code ​

py