rustrade_execution/
expiry.rs

1//! How an option position settles at expiry.
2
3use serde::{Deserialize, Serialize};
4
5/// How a long option position settles at expiry, whoever settles it: an engine that settles
6/// expiry itself, or the [`SimulatedVenue`](crate::exchange::mock::SimulatedVenue). Short options
7/// and futures are not affected.
8#[non_exhaustive]
9#[derive(
10    Debug, Clone, Copy, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Deserialize, Serialize,
11)]
12pub enum LongOptionExpiry {
13    /// An option in the money is exercised, against the underlying's price as whoever settles it
14    /// takes it (see their documentation). One out of the money settles at zero. The default, matching an exchange that exercises in-the-money
15    /// options automatically. What exercise does to the account is up to whoever settles it: an
16    /// engine settles in cash at the intrinsic value, and the simulated venue settles as the
17    /// contract's [`OptionSettlement`](rustrade_instrument::instrument::kind::option::OptionSettlement)
18    /// says.
19    #[default]
20    Exercise,
21    /// Every long option lapses: the position settles at zero, in the money or not, and no
22    /// underlying price is needed for it. This matches a holder who instructs the broker not to
23    /// exercise any option still held at expiry.
24    Lapse,
25}
rustrade_execution/expiry.rs

rustrade_execution/
expiry.rs
