ibapi 5.4.0

An unofficial Rust client for the Interactive Brokers TWS API: market data, orders, and account data, with async (Tokio) and blocking clients for TWS and IB Gateway.
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//! Option Chain example
//!
//! # Usage
//!
//! ```bash
//! cargo run --no-default-features --features sync --example option_chain
//! ```

use ibapi::client::blocking::Client;
use ibapi::contracts::SecurityType;

// This example demonstrates requesting option chain data from the TWS.

fn main() {
    env_logger::init();

    let client = Client::connect("127.0.0.1:4002", 100).expect("connection failed");

    // One OptionChain per exchange listing AAPL options. The contract id is the
    // underlying's and is required; `.exchange(..)` exists for futures options only.
    let subscription = client
        .option_chain("AAPL", SecurityType::Stock, 265598)
        .subscribe()
        .expect("request option chain failed!");

    for option_chain in subscription.iter_data() {
        match option_chain {
            Ok(option_chain) => println!("{option_chain:?}"),
            Err(e) => eprintln!("error: {e}"),
        }
    }
}