🌟 Introduction
- People often hear “option-chain in the backend” and assume it’s complex magic.
- In plain English → it just means your server knows the menu of option contracts for an underlying.
- Hook: without an option-chain, you can’t power Greeks or option strategies reliably.
📋 What an Option Chain Is
- List of all option contracts for an underlying & expiry.
- Example row:
```json
{
tradingsymbol: “NIFTY25SEP22500CE”,
strike: 22500,
side: “CE”,
ltp: 12.5,
iv: 11.3,
oi: 420000,
bid: 12.4,
ask: 12.6
}
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