option_list_strikes

FreeValueStandardPro

List all available strike prices for a given underlying symbol and expiration date.

Code Example

Rust

let data = tdx.option_list_strikes("SPY", "20260417").await?;
for item in &data {
    println!("{}", item);
}

Python

data = tdx.option_list_strikes("SPY", "20260417")
for item in data:
    print(item)

TypeScript

const data = tdx.optionListStrikes('SPY', '20260417');
console.log(data);

C++

auto data = client.option_list_strikes("SPY", "20260417");
for (const auto& item : data) {
    printf("%s\n", item.c_str());
}

Parameters

symbolstringrequired

Underlying symbol

expirationstringrequired

Expiration date in YYYYMMDD format

Response

(list)string[]

Strike prices in dollars as strings

Sample Response

["597", "661", "725", "320", "640", "450", "500", "550", "555", "560"]

SPY strikes for the 2026-04-17 expiration. Full response contains 269 strikes.

Notes

• Strike prices are returned as strings in dollars: "500" = $500.00.
• Use option_list_expirations first to get valid expiration dates for an underlying.