dhan_rs/api/
option_chain.rs

1//! Option Chain endpoints — full chain data, expiry list.
2
3use crate::client::DhanClient;
4use crate::error::Result;
5use crate::types::option_chain::*;
6
7impl DhanClient {
8    /// Retrieve real-time Option Chain for a given underlying and expiry.
9    ///
10    /// Returns OI, Greeks, Volume, LTP, Best Bid/Ask and IV across all strikes.
11    ///
12    /// Rate limit: 1 unique request every 3 seconds.
13    ///
14    /// **Endpoint:** `POST /v2/optionchain`
15    pub async fn get_option_chain(&self, req: &OptionChainRequest) -> Result<OptionChainResponse> {
16        self.post("/v2/optionchain", req).await
17    }
18
19    /// Retrieve all active expiry dates for an underlying instrument.
20    ///
21    /// Rate limit: 1 unique request every 3 seconds.
22    ///
23    /// **Endpoint:** `POST /v2/optionchain/expirylist`
24    pub async fn get_expiry_list(&self, req: &ExpiryListRequest) -> Result<ExpiryListResponse> {
25        self.post("/v2/optionchain/expirylist", req).await
26    }
27}
dhan_rs/api/option_chain.rs

dhan_rs/api/
option_chain.rs
