From c73649012fe05e192a1779be8289a9ed332486e1 Mon Sep 17 00:00:00 2001 From: boris Date: Tue, 28 Apr 2026 21:01:43 +0800 Subject: [PATCH] =?UTF-8?q?=E6=89=A9=E5=B1=95=E7=AD=96=E7=95=A5=E6=8C=87?= =?UTF-8?q?=E6=A0=87=E5=9B=A0=E5=AD=90=E4=B8=8E=E6=BB=9A=E5=8A=A8=E5=87=BD?= =?UTF-8?q?=E6=95=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- crates/fidc-core/src/data.rs | 156 +++++++++- .../fidc-core/src/platform_expr_strategy.rs | 288 +++++++++++++++++- crates/fidc-core/src/strategy_ai.rs | 19 +- 3 files changed, 453 insertions(+), 10 deletions(-) diff --git a/crates/fidc-core/src/data.rs b/crates/fidc-core/src/data.rs index 7bc2b27..d8ac334 100644 --- a/crates/fidc-core/src/data.rs +++ b/crates/fidc-core/src/data.rs @@ -574,6 +574,18 @@ impl SymbolPriceSeries { Some(sum / lookback as f64) } + fn decision_prev_close_values(&self, date: NaiveDate, lookback: usize) -> Option> { + if lookback == 0 { + return None; + } + let end = self.decision_end_index(date)?; + if end < lookback { + return None; + } + let start = end - lookback; + Some(self.prev_closes[start..end].to_vec()) + } + fn decision_volume_moving_average(&self, date: NaiveDate, lookback: usize) -> Option { if lookback == 0 { return None; @@ -587,6 +599,23 @@ impl SymbolPriceSeries { Some(sum / lookback as f64) } + fn decision_volume_values(&self, date: NaiveDate, lookback: usize) -> Option> { + if lookback == 0 { + return None; + } + let end = self.previous_completed_end_index(date)?; + if end < lookback { + return None; + } + let start = end - lookback; + Some( + self.snapshots[start..end] + .iter() + .map(|snapshot| snapshot.volume as f64) + .collect(), + ) + } + fn end_index(&self, date: NaiveDate) -> Option { match self.dates.binary_search(&date) { Ok(idx) => Some(idx + 1), @@ -625,6 +654,7 @@ impl SymbolPriceSeries { #[derive(Debug, Clone)] struct BenchmarkPriceSeries { dates: Vec, + opens: Vec, closes: Vec, open_prefix: Vec, close_prefix: Vec, @@ -641,6 +671,7 @@ impl BenchmarkPriceSeries { let close_prefix = prefix_sums(&closes); Self { dates, + opens, closes, open_prefix, close_prefix, @@ -678,13 +709,20 @@ impl BenchmarkPriceSeries { } fn trailing_values(&self, date: NaiveDate, lookback: usize) -> Vec { + self.trailing_values_for(date, lookback, PriceField::Close) + } + + fn trailing_values_for(&self, date: NaiveDate, lookback: usize, field: PriceField) -> Vec { let end = match self.dates.binary_search(&date) { Ok(idx) => idx + 1, Err(0) => return Vec::new(), Err(idx) => idx, }; let start = end.saturating_sub(lookback); - self.closes[start..end].to_vec() + match field { + PriceField::DayOpen | PriceField::Open => self.opens[start..end].to_vec(), + PriceField::Close | PriceField::Last => self.closes[start..end].to_vec(), + } } } @@ -944,6 +982,7 @@ impl DataSet { ) -> Result { let benchmark_code = collect_benchmark_code(&benchmarks)?; let calendar = TradingCalendar::new(benchmarks.iter().map(|item| item.date).collect()); + let factors = normalize_factor_snapshots(factors); let instruments = instruments .into_iter() @@ -2009,6 +2048,65 @@ impl DataSet { } } + pub fn market_decision_numeric_values( + &self, + date: NaiveDate, + symbol: &str, + field: &str, + lookback: usize, + ) -> Vec { + if lookback == 0 { + return Vec::new(); + } + let field = normalize_field(field); + match field.as_str() { + "close" | "prev_close" | "stock_close" | "price" => self + .market_series_by_symbol + .get(symbol) + .and_then(|series| series.decision_prev_close_values(date, lookback)) + .unwrap_or_default(), + "volume" | "stock_volume" => self + .market_series_by_symbol + .get(symbol) + .and_then(|series| series.decision_volume_values(date, lookback)) + .unwrap_or_default(), + "day_open" | "dayopen" => self + .market_series_by_symbol + .get(symbol) + .map(|series| series.trailing_values(date, lookback, PriceField::DayOpen)) + .unwrap_or_default(), + "open" => self + .market_series_by_symbol + .get(symbol) + .map(|series| series.trailing_values(date, lookback, PriceField::Open)) + .unwrap_or_default(), + "last" | "last_price" => self + .market_series_by_symbol + .get(symbol) + .map(|series| series.trailing_values(date, lookback, PriceField::Last)) + .unwrap_or_default(), + other => self.factor_numeric_values(date, symbol, other, lookback), + } + } + + pub fn factor_numeric_values( + &self, + date: NaiveDate, + symbol: &str, + field: &str, + lookback: usize, + ) -> Vec { + if lookback == 0 { + return Vec::new(); + } + self.calendar + .trailing_days(date, lookback) + .into_iter() + .filter_map(|trading_day| self.factor(trading_day, symbol)) + .filter_map(|snapshot| factor_numeric_value(snapshot, field)) + .collect() + } + pub fn market_moving_average( &self, date: NaiveDate, @@ -2030,6 +2128,21 @@ impl DataSet { .moving_average_for(date, lookback, PriceField::Open) } + pub fn benchmark_numeric_values( + &self, + date: NaiveDate, + field: &str, + lookback: usize, + ) -> Vec { + let field = normalize_field(field); + match field.as_str() { + "open" | "day_open" | "dayopen" | "benchmark_open" => self + .benchmark_series_cache + .trailing_values_for(date, lookback, PriceField::Open), + _ => self.benchmark_series_cache.trailing_values(date, lookback), + } + } + pub fn market_open_moving_average( &self, date: NaiveDate, @@ -2400,6 +2513,26 @@ fn factor_numeric_value(snapshot: &DailyFactorSnapshot, field: &str) -> Option Some(snapshot.pe_ttm), "turnover_ratio" => snapshot.turnover_ratio, "effective_turnover_ratio" => snapshot.effective_turnover_ratio, + "ths_market_value_stock" | "ths_market_value_stock_bn" => snapshot + .extra_factors + .get(field.as_str()) + .copied() + .or(Some(snapshot.market_cap_bn)), + "ths_current_mv_stock" | "ths_current_mv_stock_bn" => snapshot + .extra_factors + .get(field.as_str()) + .copied() + .or(Some(snapshot.free_float_cap_bn)), + "ths_turnover_ratio_stock" => snapshot + .extra_factors + .get(field.as_str()) + .copied() + .or(snapshot.turnover_ratio), + "ths_vaild_turnover_stock" | "ths_valid_turnover_stock" => snapshot + .extra_factors + .get(field.as_str()) + .copied() + .or(snapshot.effective_turnover_ratio), other => snapshot.extra_factors.get(other).copied(), } } @@ -2509,6 +2642,27 @@ fn normalize_field(field: &str) -> String { .to_ascii_lowercase() } +fn normalize_factor_snapshots(factors: Vec) -> Vec { + factors + .into_iter() + .map(|mut snapshot| { + snapshot.extra_factors = snapshot + .extra_factors + .into_iter() + .filter_map(|(field, value)| { + let normalized = normalize_field(&field); + if normalized.is_empty() || !value.is_finite() { + None + } else { + Some((normalized, value)) + } + }) + .collect(); + snapshot + }) + .collect() +} + fn normalize_history_frequency(frequency: &str) -> Option { let normalized = normalize_field(frequency); match normalized.as_str() { diff --git a/crates/fidc-core/src/platform_expr_strategy.rs b/crates/fidc-core/src/platform_expr_strategy.rs index 30c7869..9c4ed06 100644 --- a/crates/fidc-core/src/platform_expr_strategy.rs +++ b/crates/fidc-core/src/platform_expr_strategy.rs @@ -641,7 +641,16 @@ impl PlatformExprStrategy { "factor" | "day_factor" | "rolling_mean" + | "ma" | "sma" + | "vma" + | "rolling_sum" + | "rolling_min" + | "rolling_max" + | "rolling_stddev" + | "stddev" + | "rolling_zscore" + | "pct_change" | "factor_value" | "get_factor_value" | "factor_text" @@ -1275,6 +1284,7 @@ impl PlatformExprStrategy { .extra_factors .get("touched_upper_limit") .or_else(|| factor.extra_factors.get("hit_upper_limit")) + .or_else(|| factor.extra_factors.get("limit_up_touched")) .copied() .unwrap_or_default() >= 0.5; @@ -1282,6 +1292,7 @@ impl PlatformExprStrategy { .extra_factors .get("touched_lower_limit") .or_else(|| factor.extra_factors.get("hit_lower_limit")) + .or_else(|| factor.extra_factors.get("limit_down_touched")) .copied() .unwrap_or_default() >= 0.5; @@ -2136,7 +2147,7 @@ impl PlatformExprStrategy { )?); Ok(format!("day_factors[{}]", Self::quote_rhai_string(&key))) } - "rolling_mean" | "sma" => { + "rolling_mean" | "sma" | "ma" => { if args.len() != 2 { return Err(BacktestError::Execution(format!( "{helper} expects 2 arguments" @@ -2147,6 +2158,60 @@ impl PlatformExprStrategy { let value = self.resolve_rolling_mean(ctx, day, stock, &field, lookback)?; Ok(format!("{value:.12}")) } + "vma" => { + if args.len() != 1 { + return Err(BacktestError::Execution( + "vma expects 1 lookback argument".to_string(), + )); + } + let lookback = Self::parse_positive_usize(&args[0])?; + let value = self.resolve_rolling_mean(ctx, day, stock, "volume", lookback)?; + Ok(format!("{value:.12}")) + } + "rolling_sum" | "rolling_min" | "rolling_max" | "rolling_stddev" | "stddev" + | "rolling_zscore" => { + if args.len() != 2 { + return Err(BacktestError::Execution(format!( + "{helper} expects field and lookback" + ))); + } + let field = Self::parse_string_or_identifier(&args[0])?; + let lookback = Self::parse_positive_usize(&args[1])?; + let values = self.resolve_rolling_values(ctx, day, stock, &field, lookback)?; + let value = match helper { + "rolling_sum" => values.iter().sum::(), + "rolling_min" => values.iter().copied().fold(f64::INFINITY, f64::min), + "rolling_max" => values.iter().copied().fold(f64::NEG_INFINITY, f64::max), + "rolling_stddev" | "stddev" => rolling_stddev(&values), + "rolling_zscore" => rolling_zscore(&values), + _ => 0.0, + }; + Ok(Self::format_rhai_float(value)) + } + "pct_change" => { + if args.len() != 2 { + return Err(BacktestError::Execution( + "pct_change expects field and lookback".to_string(), + )); + } + let field = Self::parse_string_or_identifier(&args[0])?; + let lookback = Self::parse_positive_usize(&args[1])?; + let values = self.resolve_rolling_values( + ctx, + day, + stock, + &field, + lookback.saturating_add(1), + )?; + let first = values.first().copied().unwrap_or_default(); + let last = values.last().copied().unwrap_or_default(); + let value = if first.abs() <= f64::EPSILON { + 0.0 + } else { + last / first - 1.0 + }; + Ok(Self::format_rhai_float(value)) + } "factor_value" | "get_factor_value" => { if args.is_empty() || args.len() > 2 { return Err(BacktestError::Execution(format!( @@ -2639,6 +2704,60 @@ impl PlatformExprStrategy { }) } + fn resolve_rolling_values( + &self, + ctx: &StrategyContext<'_>, + day: &DayExpressionState, + stock: Option<&StockExpressionState>, + field: &str, + lookback: usize, + ) -> Result, BacktestError> { + if lookback == 0 { + return Err(BacktestError::Execution( + "rolling lookback must be positive".to_string(), + )); + } + let values = match field { + "benchmark_open" => ctx + .data + .benchmark_numeric_values(day.date, "open", lookback), + "benchmark_close" => ctx + .data + .benchmark_numeric_values(day.date, "close", lookback), + "signal_open" => ctx.data.market_decision_numeric_values( + day.date, + &self.config.signal_symbol, + "open", + lookback, + ), + "signal_close" => ctx.data.market_decision_numeric_values( + day.date, + &self.config.signal_symbol, + "close", + lookback, + ), + "signal_volume" => ctx.data.market_decision_numeric_values( + day.date, + &self.config.signal_symbol, + "volume", + lookback, + ), + other => { + let stock = stock.ok_or_else(|| { + BacktestError::Execution(format!("rolling_{other} requires stock context")) + })?; + ctx.data + .market_decision_numeric_values(day.date, &stock.symbol, other, lookback) + } + }; + if values.len() < lookback { + return Err(BacktestError::Execution(format!( + "missing rolling mean for field {field} with lookback {lookback}" + ))); + } + Ok(values) + } + fn is_missing_rolling_mean_error(error: &BacktestError) -> bool { matches!( error, @@ -4514,6 +4633,35 @@ impl Strategy for PlatformExprStrategy { } } +fn rolling_stddev(values: &[f64]) -> f64 { + if values.is_empty() { + return 0.0; + } + let mean = values.iter().sum::() / values.len() as f64; + let variance = values + .iter() + .map(|value| { + let diff = value - mean; + diff * diff + }) + .sum::() + / values.len() as f64; + variance.sqrt() +} + +fn rolling_zscore(values: &[f64]) -> f64 { + let Some(latest) = values.last().copied() else { + return 0.0; + }; + let mean = values.iter().sum::() / values.len() as f64; + let stddev = rolling_stddev(values); + if stddev <= f64::EPSILON { + 0.0 + } else { + (latest - mean) / stddev + } +} + #[cfg(test)] mod tests { use std::collections::{BTreeMap, BTreeSet}; @@ -5248,6 +5396,144 @@ mod tests { ); } + #[test] + fn platform_helpers_support_generic_rolling_stats_and_normalized_factors() { + let dates = [d(2025, 1, 2), d(2025, 1, 3), d(2025, 1, 6)]; + let market_rows = dates + .iter() + .enumerate() + .map(|(index, date)| DailyMarketSnapshot { + date: *date, + symbol: "000001.SZ".to_string(), + timestamp: None, + day_open: 10.0 + index as f64, + open: 10.0 + index as f64, + high: 10.5 + index as f64, + low: 9.5 + index as f64, + close: 10.2 + index as f64, + last_price: 10.2 + index as f64, + bid1: 10.2 + index as f64, + ask1: 10.2 + index as f64, + prev_close: 10.0 + index as f64, + volume: 100 + index as u64 * 100, + tick_volume: 0, + bid1_volume: 0, + ask1_volume: 0, + trading_phase: None, + paused: false, + upper_limit: 20.0, + lower_limit: 5.0, + price_tick: 0.01, + }) + .collect::>(); + let factor_rows = dates + .iter() + .enumerate() + .map(|(index, date)| DailyFactorSnapshot { + date: *date, + symbol: "000001.SZ".to_string(), + market_cap_bn: 12.0, + free_float_cap_bn: 10.0, + pe_ttm: 8.0, + turnover_ratio: Some(1.0), + effective_turnover_ratio: Some(1.0), + extra_factors: BTreeMap::from([("Mixed_Factor".to_string(), index as f64 + 5.0)]), + }) + .collect::>(); + let candidate_rows = dates + .iter() + .map(|date| CandidateEligibility { + date: *date, + symbol: "000001.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, + }) + .collect::>(); + let benchmark_rows = dates + .iter() + .map(|date| BenchmarkSnapshot { + date: *date, + benchmark: "000852.SH".to_string(), + open: 1000.0, + close: 1002.0, + prev_close: 998.0, + volume: 1_000_000, + }) + .collect::>(); + let data = DataSet::from_components( + vec![Instrument { + symbol: "000001.SZ".to_string(), + name: "Ping An Bank".to_string(), + board: "SZ".to_string(), + round_lot: 100, + listed_at: Some(d(2020, 1, 1)), + delisted_at: None, + status: "active".to_string(), + }], + market_rows, + factor_rows, + candidate_rows, + benchmark_rows, + ) + .expect("dataset"); + let portfolio = PortfolioState::new(1_000_000.0); + let subscriptions = BTreeSet::new(); + let ctx = StrategyContext { + execution_date: dates[2], + decision_date: dates[2], + decision_index: 2, + data: &data, + portfolio: &portfolio, + futures_account: None, + open_orders: &[], + dynamic_universe: None, + subscriptions: &subscriptions, + process_events: &[], + active_process_event: None, + active_datetime: None, + order_events: &[], + fills: &[], + }; + let mut cfg = PlatformExprStrategyConfig::microcap_rotation(); + cfg.signal_symbol = "000001.SZ".to_string(); + cfg.rotation_enabled = false; + cfg.benchmark_short_ma_days = 1; + cfg.benchmark_long_ma_days = 1; + cfg.explicit_actions = vec![PlatformTradeAction::Order { + kind: PlatformExplicitOrderKind::Value, + symbol: "000001.SZ".to_string(), + amount_expr: "1000".to_string(), + limit_price_expr: None, + start_time_expr: None, + end_time_expr: None, + when_expr: Some( + concat!( + "ma(\"close\", 2) == 11.5", + " && vma(2) == 150.0", + " && rolling_sum(\"volume\", 2) == 300.0", + " && rolling_min(\"close\", 2) == 11.0", + " && rolling_max(\"close\", 2) == 12.0", + " && stddev(\"close\", 2) > 0.49", + " && rolling_zscore(\"close\", 2) > 0.9", + " && pct_change(\"close\", 1) > 0.09", + " && factor_value(\"mixed_factor\") == 7.0" + ) + .to_string(), + ), + reason: "rolling_stats_entry".to_string(), + }]; + let mut strategy = PlatformExprStrategy::new(cfg); + + let decision = strategy.on_day(&ctx).expect("platform decision"); + + assert_eq!(decision.order_intents.len(), 1); + } + #[test] fn platform_strategy_emits_target_shares_explicit_action() { let date = d(2025, 2, 3); diff --git a/crates/fidc-core/src/strategy_ai.rs b/crates/fidc-core/src/strategy_ai.rs index 5abb35d..244ff2d 100644 --- a/crates/fidc-core/src/strategy_ai.rs +++ b/crates/fidc-core/src/strategy_ai.rs @@ -97,10 +97,10 @@ pub fn built_in_strategy_manual() -> StrategyAiManual { "平台策略脚本采用声明式 DSL + 表达式执行模型。".to_string(), "支持 let 变量、fn 自定义函数、when/unless/else 条件块、可用指标/因子字段映射。".to_string(), "支持数值型和字符串型因子,字符串字段可用于行业、概念、标签、板块等分类过滤。".to_string(), - "当前默认回测数据已支持 OHLCV、市值、流通市值、换手率、有效换手率、上市天数、停牌/ST/板块、涨跌停价格、tick 触达涨跌停、常用价格/成交量均线;复杂技术指标和财务报表字段必须来自预计算因子或后续扩展函数。".to_string(), + "当前默认回测数据已支持 OHLCV、市值、流通市值、换手率、有效换手率、上市天数、停牌/ST/板块、涨跌停价格、tick 触达涨跌停、常用价格/成交量均线,以及 stock_indicator_factors_v1 中已入库的通用指标因子。".to_string(), "AI 生成策略时只能输出完整 engine-script 代码,不输出 Markdown、解释、推理过程、JSON 包装或手册复述。".to_string(), "表达式字段以运行时字段为准:市值使用 market_cap,流通市值使用 free_float_cap;不要在策略表达式中使用数据库原始字段 float_market_cap。".to_string(), - "60日价格均线使用 rolling_mean(\"close\", 60),不要使用 ma60、stock_ma60、signal_ma60 或 benchmark_ma60。".to_string(), + "任意窗口价格均线使用 rolling_mean(\"close\", n) 或 ma(\"close\", n),任意窗口均量使用 rolling_mean(\"volume\", n) 或 vma(n);不要使用未列出的 ma60、stock_ma60、signal_ma60 或 benchmark_ma60 变量。".to_string(), "自定义 fn 必须通过参数传入运行时字段;不要用 fn score() 这类零参数函数直接引用 market_cap、close、ma5 等股票字段。".to_string(), "禁止自由 Python/JavaScript 命令式语句,最终必须输出平台 DSL。".to_string(), ], @@ -323,9 +323,11 @@ pub fn built_in_strategy_manual() -> StrategyAiManual { ManualFunction { name: "order/order_status/order_avg_price/order_transaction_cost".to_string(), signature: "ctx.order(order_id)".to_string(), detail: "按订单 id 查询运行时订单对象,支持已结束订单和当前挂单。返回字段包括 status、filled_quantity、unfilled_quantity、avg_price、transaction_cost、symbol、side、reason;可用便捷函数读取状态、成交均价和费用,对齐 平台内核 Order 的核心属性。".to_string() }, ManualFunction { name: "account/portfolio_view/accounts".to_string(), signature: "ctx.account()".to_string(), detail: "返回当前股票账户/组合运行时视图,字段包括 account_type、cash、available_cash、frozen_cash、market_value、total_value、unit_net_value、daily_pnl、daily_returns、total_returns、transaction_cost、trading_pnl、position_pnl 等;DSL 中同名字段可直接使用。也可用 ctx.stock_account()、ctx.account_by_type(\"STOCK\")、ctx.accounts() 按账户类型读取;当前股票回测路径不会把 FUTURE 虚假映射成 STOCK。".to_string() }, ManualFunction { name: "deposit_withdraw/finance_repay/management_fee".to_string(), signature: "account.deposit_withdraw(amount, receiving_days=0)".to_string(), detail: "策略账户资金动作。deposit_withdraw 正数入金、负数出金;receiving_days 大于 0 时按交易日延迟到账,并保持净值口径不把外部资金流当成收益。finance_repay 正数融资、负数还款,会同步维护 cash_liabilities。set_management_fee_rate 设置结算管理费率;普通策略可覆盖 management_fee(ctx, rate) 自定义计算器,对齐 平台内核 管理费回调能力。".to_string() }, - ManualFunction { name: "rolling_mean".to_string(), signature: "rolling_mean(\"field\", lookback)".to_string(), detail: "任意字段滚动均值,支持 volume/amount/turnover_ratio、signal_open/signal_close、benchmark_open/benchmark_close 等。个股 volume 与 close 均按当前交易日前已完成交易日计算;单只股票历史窗口不足时,在选股过滤和买入仓位表达式中按不通过/0 仓处理,不会中断整次回测。任意成交量窗口推荐用它,比如 rolling_mean(\"volume\", 15)。".to_string() }, - ManualFunction { name: "sma".to_string(), signature: "sma(\"field\", lookback)".to_string(), detail: "rolling_mean 的别名。任意价格均线窗口推荐用它,比如 sma(\"close\", 15)。".to_string() }, - ManualFunction { name: "复杂技术指标".to_string(), signature: "factor_value(\"macd\", 1) 或预计算字段".to_string(), detail: "BOLL、EMA、WMA、DEMA、TEMA、KAMA、SAR、ADX、CCI、MACD、RSI、KDJ、WILLR、ATR、ROC、TRIX、MFI、Aroon、OBV、ADL、Beta、相关系数、线性回归、标准差、方差、K 线形态等目前不是默认内建函数;可先预计算成数值因子,再用 factor_value/rolling_mean 读取。".to_string() }, + ManualFunction { name: "rolling_mean / sma / ma".to_string(), signature: "rolling_mean(\"field\", lookback) / ma(\"close\", 20)".to_string(), detail: "任意字段滚动均值,支持 close、volume、amount、turnover_ratio、effective_turnover_ratio、signal_open/signal_close、benchmark_open/benchmark_close 和所有数值型 extra_factors。个股 close 使用当前交易日前已完成收盘序列,volume 使用当前交易日前已完成成交量序列;历史窗口不足时在选股过滤和买入仓位表达式中按不通过/0 仓处理。".to_string() }, + ManualFunction { name: "vma".to_string(), signature: "vma(60)".to_string(), detail: "rolling_mean(\"volume\", lookback) 的便捷别名,用于任意窗口成交量均线,例如 vma(5) < vma(60)。".to_string() }, + ManualFunction { name: "rolling_sum / rolling_min / rolling_max".to_string(), signature: "rolling_sum(\"volume\", 20)".to_string(), detail: "任意数值字段滚动求和、最小值、最大值。可用于量能收缩、区间高低点、资金活跃度等过滤或排序。".to_string() }, + ManualFunction { name: "rolling_stddev / stddev / rolling_zscore / pct_change".to_string(), signature: "stddev(\"close\", 20) / pct_change(\"close\", 10)".to_string(), detail: "滚动标准差、最新值 Z 分数和区间涨跌幅。pct_change(field, n) 会读取 n+1 个窗口点并计算 latest / first - 1。".to_string() }, + ManualFunction { name: "数据库指标因子".to_string(), signature: "factor_value(\"ths_valid_turnover_stock\", 1)".to_string(), detail: "stock_indicator_factors_v1 中的指标会进入 extra_factors,可用 factor(\"字段\")、factors[\"字段\"]、factor_value(\"字段\", lookback) 或 rolling_mean(\"字段\", n) 读取。市值类指标统一提供亿元口径别名 ths_market_value_stock、ths_market_value_stock_bn、ths_current_mv_stock、ths_current_mv_stock_bn,同时保留 raw 后缀原始值。".to_string() }, ManualFunction { name: "round/floor/ceil/abs/min/max/clamp".to_string(), signature: "round(x)".to_string(), detail: "常用数值函数。".to_string() }, ManualFunction { name: "safe_div".to_string(), signature: "safe_div(lhs, rhs, fallback)".to_string(), detail: "安全除法。".to_string() }, ManualFunction { name: "contains/starts_with/ends_with/lower/upper/trim/strlen".to_string(), signature: "starts_with(symbol, \"60\")".to_string(), detail: "字符串辅助函数。".to_string() }, @@ -343,7 +345,7 @@ pub fn built_in_strategy_manual() -> StrategyAiManual { }, ManualFactorSource { table: "扩展指标因子".to_string(), - detail: "当前可用扩展指标主要包括总市值、流通市值、换手率、有效换手率;其他财务、行业、概念、陆股通、技术指标等只有落地为可用因子后才可在策略中直接使用。".to_string(), + detail: "来自 stock_indicator_factors_v1 和运行时 extra_factors。已入库指标会自动进入策略运行时,字段名使用 dataset 小写下划线;市值类默认换算为亿元口径,raw 后缀保留原始 indicator_value。".to_string(), fields: vec![], }, ManualFactorSource { @@ -428,7 +430,7 @@ pub fn render_manual_markdown(manual: &StrategyAiManual) -> String { out.push_str("- 只使用支持语句块:`market`、`benchmark`、`signal`、`rebalance.every_days(...).at([...])`、`selection.limit`、`selection.market_cap_band`、`filter.stock_ma`、`filter.stock_expr`、`ordering.rank_by`、`ordering.rank_expr`、`allocation.buy_scale`、`risk.stop_loss`、`risk.take_profit`、`risk.index_exposure`、`execution.matching_type`、`execution.slippage`、`universe.exclude`。\n"); out.push_str("- 禁止伪 DSL:`filter(...)`、`rank(...)`、`select.top(...)`、`weight.equal(...)`、`sell_rule(...)`、`backtest(...)`、`risk.max_position(...)`。\n"); out.push_str("- 市值表达式字段只能用 `market_cap` 或 `free_float_cap`;不要使用数据库原始字段 `float_market_cap`。\n"); - out.push_str("- 60日价格均线使用 `rolling_mean(\"close\", 60)`;不要使用 `ma60`、`stock_ma60`、`signal_ma60` 或 `benchmark_ma60`。\n"); + out.push_str("- 任意窗口价格均线使用 `rolling_mean(\"close\", n)` 或 `ma(\"close\", n)`;任意窗口均量使用 `rolling_mean(\"volume\", n)` 或 `vma(n)`;不要使用未列出的 `ma60`、`stock_ma60`、`signal_ma60` 或 `benchmark_ma60` 变量。\n"); out.push_str("- 自定义 `fn` 必须通过参数传入运行时字段;不要用 `fn score()` 这类零参数函数直接引用 `market_cap`、`close`、`ma5` 等股票字段。\n"); out.push_str("- `selection.market_cap_band` 必须写命名参数:`field=\"market_cap\"` 或 `field=\"free_float_cap\"`,并包含 `lower=...` 与 `upper=...`。\n"); out.push_str("- `risk.index_exposure(...)` 只能传一个表达式;`execution.matching_type(...)` 和 `execution.slippage(...)` 必须使用手册列出的合法取值。\n\n"); @@ -506,7 +508,7 @@ pub fn build_generation_prompt( prompt.push_str("- 生成的代码必须能转换为 strategy_spec 并提交 POST /v1/backtests。\n"); prompt.push_str("- 不要使用手册未列出的字段、函数或外部平台 API 名称。\n\n"); prompt.push_str("只允许使用这些可编译语句:market、benchmark、signal、rebalance.every_days(...).at([...])、selection.limit、selection.market_cap_band、filter.stock_ma、filter.stock_expr、ordering.rank_by、ordering.rank_expr、allocation.buy_scale、risk.stop_loss、risk.take_profit、risk.index_exposure、execution.matching_type、execution.slippage、universe.exclude。禁止输出 filter(...)、rank(...)、select.top(...)、weight.equal()、sell_rule(...)、backtest(...)、risk.max_position(...) 这类未支持伪语法。\n"); - prompt.push_str("参数形态必须严格:selection.market_cap_band 必须写 field=\"market_cap\" 或 field=\"free_float_cap\", lower=..., upper=...;禁止使用 float_market_cap;禁止使用 ma60、stock_ma60、signal_ma60、benchmark_ma60,60日价格均线写 rolling_mean(\"close\", 60);不要生成 fn score() 这类零参数函数,股票字段排序直接写在 ordering.rank_expr 内或用带参数函数;布尔字段按布尔使用,写 !is_st、!paused、!at_upper_limit、!at_lower_limit,不要写 is_st == 0;risk.index_exposure 只能传一个数值表达式,例如 ((signal_close < signal_ma20) ? 0.35 : 1.0);execution.matching_type 只能取 next_tick_last、next_tick_best_own、next_tick_best_counterparty、counterparty_offer、vwap、current_bar_close、next_bar_open、open_auction;execution.slippage 必须写 execution.slippage(\"none\") 或 execution.slippage(\"price_ratio\", 0.001)。\n"); + prompt.push_str("参数形态必须严格:selection.market_cap_band 必须写 field=\"market_cap\" 或 field=\"free_float_cap\", lower=..., upper=...;禁止使用 float_market_cap;禁止使用 ma60、stock_ma60、signal_ma60、benchmark_ma60,60日价格均线写 rolling_mean(\"close\", 60) 或 ma(\"close\", 60),任意窗口均量写 rolling_mean(\"volume\", n) 或 vma(n);不要生成 fn score() 这类零参数函数,股票字段排序直接写在 ordering.rank_expr 内或用带参数函数;布尔字段按布尔使用,写 !is_st、!paused、!at_upper_limit、!at_lower_limit,不要写 is_st == 0;risk.index_exposure 只能传一个数值表达式,例如 ((signal_close < signal_ma20) ? 0.35 : 1.0);execution.matching_type 只能取 next_tick_last、next_tick_best_own、next_tick_best_counterparty、counterparty_offer、vwap、current_bar_close、next_bar_open、open_auction;execution.slippage 必须写 execution.slippage(\"none\") 或 execution.slippage(\"price_ratio\", 0.001)。\n"); prompt.push_str("回测成功但 tradeCount=0 或 holdingCount=0 是无效策略;第一版必须保持稳定买入覆盖率,复杂因子只能在后续优化中逐步加严。\n"); prompt.push_str("可参考但不要照抄的最小模板,回复时不要包含 ``` 代码围栏:\nstrategy(\"cn_a_smallcap_factor_rotation\") {\nmarket(\"CN_A\")\nbenchmark(\"000852.SH\")\nsignal(\"000001.SH\")\nrebalance.every_days(5).at([\"10:18\"])\nselection.limit(40)\nselection.market_cap_band(field=\"market_cap\", lower=0, upper=1000)\nfilter.stock_expr(listed_days >= 60 && !is_st && !paused && close > 2 && !at_upper_limit && !at_lower_limit)\nordering.rank_by(\"market_cap\", \"asc\")\nallocation.buy_scale(1.0)\nrisk.index_exposure((signal_close < signal_ma20) ? 0.35 : 1.0)\nrisk.stop_loss(holding_return < -0.08)\nexecution.slippage(\"price_ratio\", 0.001)\n}\n\n"); prompt.push_str("用户目标:\n"); @@ -535,6 +537,7 @@ pub fn build_optimization_prompt( prompt.push_str("输出格式硬约束:回复第一行必须是 strategy(\"...\")、let、fn、const 或 //;回复中不得包含 Markdown、解释、思考过程、手册复述、JSON 包装或自然语言总结。\n"); prompt.push_str("长度硬约束:策略代码目标 80 行以内,只保留必要 let/fn/strategy 块;不要复制下面的手册片段、历史策略全文或字段清单。\n"); prompt.push_str("只修改与优化目标相关的少量参数或过滤条件,保留原策略的市场、基准、信号指数和核心风控;不要引入手册未列出的字段或外部平台 API 名称。\n"); + prompt.push_str("优化可以调整调仓周期、持仓数、市值带、filter.stock_expr、ordering.rank_expr、allocation.buy_scale、止盈止损;如上一轮无交易或质量分过低,必须先放宽过滤条件并优先使用已入库指标因子、rolling_mean/ma/vma/rolling_stddev/pct_change 等支持函数。\n"); prompt.push_str("优化目标:\n"); prompt.push_str(&format!("- {}\n\n", request.objective)); prompt.push_str("当前策略代码如下,仅作为输入参考;回复时不要包含 Markdown 代码围栏:\n");