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Add matching and slippage execution options

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This commit is contained in:
boris
2026-04-22 21:39:26 -07:00
parent 8db0f37cae
commit 081686185a
4 changed files with 342 additions and 20 deletions
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204
crates/fidc-core/tests/explicit_order_flow.rs
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@@ -2,7 +2,7 @@ use chrono::NaiveDate;
use fidc_core::{
BenchmarkSnapshot, BrokerSimulator, CandidateEligibility, ChinaAShareCostModel,
ChinaEquityRuleHooks, DailyFactorSnapshot, DailyMarketSnapshot, DataSet, Instrument,
OrderIntent, PortfolioState, PriceField, StrategyDecision,
OrderIntent, PortfolioState, PriceField, SlippageModel, StrategyDecision,
};
use std::collections::{BTreeMap, BTreeSet};
@@ -50,6 +50,7 @@ fn broker_executes_explicit_order_value_buy() {
pe_ttm: 15.0,
turnover_ratio: Some(2.0),
effective_turnover_ratio: Some(1.8),
extra_factors: BTreeMap::new(),
}],
vec![CandidateEligibility {
date,
@@ -106,6 +107,205 @@ fn broker_executes_explicit_order_value_buy() {
assert!(portfolio.cash() < 1_000_000.0);
}
#[test]
fn broker_applies_price_ratio_slippage_on_snapshot_fills() {
let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
let data = DataSet::from_components(
vec![Instrument {
symbol: "000002.SZ".to_string(),
name: "Test".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: None,
delisted_at: None,
status: "active".to_string(),
}],
vec![DailyMarketSnapshot {
date,
symbol: "000002.SZ".to_string(),
timestamp: Some("2024-01-10 10:18:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.1,
low: 9.9,
close: 10.0,
last_price: 10.0,
bid1: 9.99,
ask1: 10.01,
prev_close: 10.0,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 80_000,
ask1_volume: 80_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
}],
vec![DailyFactorSnapshot {
date,
symbol: "000002.SZ".to_string(),
market_cap_bn: 50.0,
free_float_cap_bn: 45.0,
pe_ttm: 15.0,
turnover_ratio: Some(2.0),
effective_turnover_ratio: Some(1.8),
extra_factors: BTreeMap::new(),
}],
vec![CandidateEligibility {
date,
symbol: "000002.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
}],
vec![BenchmarkSnapshot {
date,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
}],
)
.expect("dataset");
let mut portfolio = PortfolioState::new(1_000_000.0);
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::Open,
)
.with_slippage_model(SlippageModel::PriceRatio(0.01));
let report = broker
.execute(
date,
&mut portfolio,
&data,
&StrategyDecision {
rebalance: false,
target_weights: BTreeMap::new(),
exit_symbols: BTreeSet::new(),
order_intents: vec![OrderIntent::Value {
symbol: "000002.SZ".to_string(),
value: 100_000.0,
reason: "price_ratio_slippage".to_string(),
}],
notes: Vec::new(),
diagnostics: Vec::new(),
},
)
.expect("broker execution");
assert_eq!(report.fill_events.len(), 1);
assert!((report.fill_events[0].price - 10.1).abs() < 1e-9);
}
#[test]
fn broker_applies_tick_size_slippage_on_intraday_last_fills() {
let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
let data = DataSet::from_components(
vec![Instrument {
symbol: "000002.SZ".to_string(),
name: "Test".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: None,
delisted_at: None,
status: "active".to_string(),
}],
vec![DailyMarketSnapshot {
date,
symbol: "000002.SZ".to_string(),
timestamp: Some("2024-01-10 10:18:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.1,
low: 9.9,
close: 10.0,
last_price: 10.0,
bid1: 9.99,
ask1: 10.01,
prev_close: 10.0,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 80_000,
ask1_volume: 80_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
}],
vec![DailyFactorSnapshot {
date,
symbol: "000002.SZ".to_string(),
market_cap_bn: 50.0,
free_float_cap_bn: 45.0,
pe_ttm: 15.0,
turnover_ratio: Some(2.0),
effective_turnover_ratio: Some(1.8),
extra_factors: BTreeMap::new(),
}],
vec![CandidateEligibility {
date,
symbol: "000002.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
}],
vec![BenchmarkSnapshot {
date,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
}],
)
.expect("dataset");
let mut portfolio = PortfolioState::new(1_000_000.0);
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::Last,
)
.with_intraday_execution_start_time(chrono::NaiveTime::from_hms_opt(10, 18, 0).unwrap())
.with_slippage_model(SlippageModel::TickSize(2.0));
let report = broker
.execute(
date,
&mut portfolio,
&data,
&StrategyDecision {
rebalance: false,
target_weights: BTreeMap::new(),
exit_symbols: BTreeSet::new(),
order_intents: vec![OrderIntent::Value {
symbol: "000002.SZ".to_string(),
value: 100_000.0,
reason: "tick_slippage".to_string(),
}],
notes: Vec::new(),
diagnostics: Vec::new(),
},
)
.expect("broker execution");
assert_eq!(report.fill_events.len(), 1);
assert!((report.fill_events[0].price - 10.02).abs() < 1e-9);
}
#[test]
fn broker_uses_instrument_round_lot_for_buy_sizing() {
let date = NaiveDate::from_ymd_opt(2024, 1, 10).unwrap();
@@ -150,6 +350,7 @@ fn broker_uses_instrument_round_lot_for_buy_sizing() {
pe_ttm: 20.0,
turnover_ratio: Some(2.0),
effective_turnover_ratio: Some(1.8),
extra_factors: BTreeMap::new(),
}],
vec![CandidateEligibility {
date,
@@ -256,6 +457,7 @@ fn same_day_sell_then_rebuy_reinserts_position_at_end() {
pe_ttm: 15.0,
turnover_ratio: Some(2.0),
effective_turnover_ratio: Some(1.8),
extra_factors: BTreeMap::new(),
})
.collect::<Vec<_>>();
let candidates = symbols