看股功能更新

2026-08-16 20:20:59 +08:00
parent 63f8ed8b69
commit 65d2f54d1b
9 changed files with 296 additions and 107 deletions
--- a/backend/app/indicators.py
+++ b/backend/app/indicators.py
@@ -54,3 +54,13 @@ def bollinger(close: pd.Series, period: int = 20, std: float = 2.0) -> pd.DataFr

 def ma(close: pd.Series, period: int) -> pd.Series:
    return close.rolling(period, min_periods=1).mean()
+
+
+def ema2(close: pd.Series, span: int = 10) -> pd.Series:
+    """知行短期趋势线：EMA(EMA(C, span), span)。"""
+    return ema(ema(close, span), span)
+
+
+def avg_ma(close: pd.Series, periods: tuple[int, ...] = (10, 20, 30, 60)) -> pd.Series:
+    """知行多空线：(MA(M1)+MA(M2)+MA(M3)+MA(M4))/4。"""
+    return sum(ma(close, p) for p in periods) / len(periods)