Expirations

FreeValueStandardPro

List available expiration dates for an option underlying.

Lists all dates of expirations that are available for an option with a given symbol. This endpoint is updated overnight.

SPY

Client

Auth

Style

symbolstring*

from thetadatadx import Client

client = Client.from_env()

rows = client.market_data.option_list_expirations(
    "SPY",
)
for t in rows:
    print(t)

Parameters

Name	Type	Required	Default	Description
symbol	string	yes	—	Ticker symbol (e.g. AAPL)
timeout_ms	int	no	—	Per-request deadline in milliseconds. 0 means no deadline.

Response

A list of strings — one expiration value per row.