Strikes

FreeValueStandardPro

List available strike prices for an option at a given expiration.

Lists all strikes that are available for an option with a given symbol and expiration date. This endpoint is updated overnight.

SPY · 20250321

Client

Auth

Style

symbolstring*

expirationdate*

from thetadatadx import Client

client = Client.from_env()

rows = client.market_data.option_list_strikes(
    "SPY", "20250321",
)
for t in rows:
    print(t)

Parameters

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

Response

A list of strings — one strike value per row.