nautilus_trading/examples/strategies/ema_cross/config.rs
1// -------------------------------------------------------------------------------------------------
2// Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
3// https://nautechsystems.io
4//
5// Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6// You may not use this file except in compliance with the License.
7// You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16//! Configuration for the EMA crossover strategy.
17
18use nautilus_model::{
19 identifiers::{InstrumentId, StrategyId},
20 types::Quantity,
21};
22
23use crate::strategy::StrategyConfig;
24
25/// Configuration for the dual-EMA crossover strategy.
26#[derive(Debug, Clone, bon::Builder)]
27#[cfg_attr(
28 feature = "python",
29 pyo3::pyclass(module = "nautilus_trader.core.nautilus_pyo3.trading", from_py_object)
30)]
31#[cfg_attr(
32 feature = "python",
33 pyo3_stub_gen::derive::gen_stub_pyclass(module = "nautilus_trader.trading")
34)]
35pub struct EmaCrossConfig {
36 /// Base strategy configuration.
37 #[builder(default = StrategyConfig {
38 strategy_id: Some(StrategyId::from("EMA_CROSS-001")),
39 order_id_tag: Some("001".to_string()),
40 ..Default::default()
41 })]
42 pub base: StrategyConfig,
43 /// Instrument to subscribe to and trade.
44 pub instrument_id: InstrumentId,
45 /// Order quantity for each crossover signal.
46 pub trade_size: Quantity,
47 /// Fast EMA period. Shorter periods react faster.
48 #[builder(default = 10)]
49 pub fast_period: usize,
50 /// Slow EMA period. Longer periods filter noise.
51 #[builder(default = 50)]
52 pub slow_period: usize,
53}