199 lines
8.1 KiB
Python
199 lines
8.1 KiB
Python
#!/usr/bin/env python3
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"""
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小唯股票策略对比 — 趋势跟踪 vs MACD
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====================================
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均线突破策略(MA_Breakout): 收盘价上穿20日均线买入,下穿卖出
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用法:
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python3 stock_compare.py <股票代码> [起始] [结束]
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"""
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import json, sys, urllib.request
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from datetime import datetime
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from pathlib import Path
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import numpy as np
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import pandas as pd
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OUTPUT = Path.home() / ".hermes" / "stock_backtest"
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OUTPUT.mkdir(exist_ok=True)
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FEISHU_WEBHOOK = "https://open.feishu.cn/open-apis/bot/v2/hook/446db983-e392-4d2c-bfb8-f9060e5df3ad"
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def send_feishu(msg):
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payload = json.dumps({"msg_type": "text", "content": {"text": msg}}).encode()
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req = urllib.request.Request(FEISHU_WEBHOOK, data=payload,
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headers={"Content-Type": "application/json"})
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try:
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with urllib.request.urlopen(req, timeout=10):
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pass
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except Exception:
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pass
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def get_data(code, start, end):
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mc = f"sh{code}" if code.startswith("6") else f"sz{code}"
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url = (f"https://web.ifzq.gtimg.cn/appstock/app/fqkline/get"
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f"?_var=kline_dayqfq¶m={mc},day,{start},{end},500,qfq")
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try:
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text = urllib.request.urlopen(url, timeout=10).read().decode("utf-8")
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data = json.loads(text.replace("kline_dayqfq=", "", 1))
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qfq = (data.get("data", {}).get(mc, {}).get("qfqday") or
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data.get("data", {}).get(mc, {}).get("day") or [])
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rows = []
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for item in qfq:
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if len(item) < 6:
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continue
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try:
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rows.append({"date": item[0], "open": float(item[1]),
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"close": float(item[2]), "high": float(item[3]),
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"low": float(item[4]), "volume": float(item[5])})
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except (ValueError, IndexError):
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continue
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df = pd.DataFrame(rows)
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df["date"] = pd.to_datetime(df["date"])
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df.set_index("date", inplace=True)
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df.sort_index(inplace=True)
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return df
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except Exception:
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return None
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def macd_backtest(df, fast=12, slow=26, sig=9, cash=100000):
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ema_f = df["close"].ewm(span=fast).mean()
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ema_s = df["close"].ewm(span=slow).mean()
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macd = ema_f - ema_s
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signal = macd.ewm(span=sig).mean()
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shares = 0; c = cash; peak = cash; max_dd = 0
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trades = []
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for i in range(slow, len(df)):
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p = df["close"].iloc[i]
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if macd.iloc[i] > signal.iloc[i] and macd.iloc[i-1] <= signal.iloc[i-1]:
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if shares == 0:
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n = int(c / p); c -= n * p; shares = n
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trades.append(("BUY", df.index[i], n, p))
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elif macd.iloc[i] < signal.iloc[i] and macd.iloc[i-1] >= signal.iloc[i-1]:
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if shares > 0:
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c += shares * p; trades.append(("SELL", df.index[i], shares, p)); shares = 0
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peak = max(peak, c + shares * p)
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dd = (peak - (c + shares * p)) / peak * 100 if peak > 0 else 0
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max_dd = max(max_dd, dd)
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final = c + shares * df["close"].iloc[-1]
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wins = len([t for t in trades if t[0] == "SELL" and t[3] > 0])
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return dict(
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final=final, ret=(final-cash)/cash*100,
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buyhold=(df["close"].iloc[-1]-df["close"].iloc[0])/df["close"].iloc[0]*100,
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max_dd=max_dd, trades=len(trades)//2,
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winrate=wins/(len(trades)//2)*100 if trades else 0
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)
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def ma_breakout_backtest(df, ma_days=20, cash=100000):
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ma = df["close"].rolling(ma_days).mean()
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shares = 0; c = cash; peak = cash; max_dd = 0
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trades = []
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for i in range(ma_days, len(df)):
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p = df["close"].iloc[i]
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if df["close"].iloc[i] > ma.iloc[i] and df["close"].iloc[i-1] <= ma.iloc[i-1]:
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if shares == 0:
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n = int(c / p); c -= n * p; shares = n
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trades.append(("BUY", df.index[i], n, p))
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elif df["close"].iloc[i] < ma.iloc[i] and df["close"].iloc[i-1] >= ma.iloc[i-1]:
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if shares > 0:
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c += shares * p; trades.append(("SELL", df.index[i], shares, p)); shares = 0
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peak = max(peak, c + shares * p)
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dd = (peak - (c + shares * p)) / peak * 100 if peak > 0 else 0
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max_dd = max(max_dd, dd)
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final = c + shares * df["close"].iloc[-1]
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wins = len([t for t in trades if t[0] == "SELL" and t[3] > 0])
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return dict(
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final=final, ret=(final-cash)/cash*100,
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buyhold=(df["close"].iloc[-1]-df["close"].iloc[0])/df["close"].iloc[0]*100,
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max_dd=max_dd, trades=len(trades)//2,
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winrate=wins/(len(trades)//2)*100 if trades else 0
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)
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def dual_ma_backtest(df, fast=5, slow=20, cash=100000):
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"""双均线策略: 快线穿慢线金叉买,死叉卖"""
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ma_fast = df["close"].rolling(fast).mean()
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ma_slow = df["close"].rolling(slow).mean()
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shares = 0; c = cash; peak = cash; max_dd = 0
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trades = []
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for i in range(slow, len(df)):
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p = df["close"].iloc[i]
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if ma_fast.iloc[i] > ma_slow.iloc[i] and ma_fast.iloc[i-1] <= ma_slow.iloc[i-1]:
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if shares == 0:
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n = int(c / p); c -= n * p; shares = n
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trades.append(("BUY", df.index[i], n, p))
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elif ma_fast.iloc[i] < ma_slow.iloc[i] and ma_fast.iloc[i-1] >= ma_slow.iloc[i-1]:
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if shares > 0:
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c += shares * p; trades.append(("SELL", df.index[i], shares, p)); shares = 0
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peak = max(peak, c + shares * p)
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dd = (peak - (c + shares * p)) / peak * 100 if peak > 0 else 0
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max_dd = max(max_dd, dd)
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final = c + shares * df["close"].iloc[-1]
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wins = len([t for t in trades if t[0] == "SELL" and t[3] > 0])
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return dict(
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final=final, ret=(final-cash)/cash*100,
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buyhold=(df["close"].iloc[-1]-df["close"].iloc[0])/df["close"].iloc[0]*100,
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max_dd=max_dd, trades=len(trades)//2,
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winrate=wins/(len(trades)//2)*100 if trades else 0
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)
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def main():
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if len(sys.argv) < 2:
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print("用法: python3 stock_compare.py <股票代码> [起始] [结束]")
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sys.exit(1)
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code = sys.argv[1]
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start = sys.argv[2] if len(sys.argv) > 2 else "2023-01-01"
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end = sys.argv[3] if len(sys.argv) > 3 else datetime.now().strftime("%Y-%m-%d")
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print(f"\n代码: {code} | {start} ~ {end}")
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df = get_data(code, start, end)
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if df is None or len(df) < 60:
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print("数据获取失败"); sys.exit(1)
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print(f"数据: {len(df)}条")
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r1 = macd_backtest(df)
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r2 = ma_breakout_backtest(df)
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r3 = dual_ma_backtest(df)
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print(f"\n{'='*60}")
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print(f"{'策略':<20} {'收益':>10} {'买入持有':>10} {'α':>10} {'最大回撤':>10} {'交易':>6} {'胜率':>8}")
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print(f"{'-'*60}")
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print(f"{'MACD(12,26,9)':<20} {r1['ret']:>+9.1f}% {r1['buyhold']:>+9.1f}% {r1['ret']-r1['buyhold']:>+9.1f}% {r1['max_dd']:>9.1f}% {r1['trades']:>6} {r1['winrate']:>7.0f}%")
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print(f"{'MA突破(20日)':<20} {r2['ret']:>+9.1f}% {r2['buyhold']:>+9.1f}% {r2['ret']-r2['buyhold']:>+9.1f}% {r2['max_dd']:>9.1f}% {r2['trades']:>6} {r2['winrate']:>7.0f}%")
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print(f"{'双均线(5,20)':<20} {r3['ret']:>+9.1f}% {r3['buyhold']:>+9.1f}% {r3['ret']-r3['buyhold']:>+9.1f}% {r3['max_dd']:>9.1f}% {r3['trades']:>6} {r3['winrate']:>7.0f}%")
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print(f"{'='*60}")
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# 飞书
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msg = f"""📊 策略对比报告
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代码: {code} | {start} ~ {end} | {len(df)}条
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策略收益对比:
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MACD(12,26,9): {r1['ret']:+.1f}% (α={r1['ret']-r1['buyhold']:+.1f}%, 回撤{r1['max_dd']:.1f}%, {r1['trades']}笔, 胜率{r1['winrate']:.0f}%)
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MA突破(20日): {r2['ret']:+.1f}% (α={r2['ret']-r2['buyhold']:+.1f}%, 回撤{r2['max_dd']:.1f}%, {r2['trades']}笔, 胜率{r2['winrate']:.0f}%)
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双均线(5,20): {r3['ret']:+.1f}% (α={r3['ret']-r3['buyhold']:+.1f}%, 回撤{r3['max_dd']:.1f}%, {r3['trades']}笔, 胜率{r3['winrate']:.0f}%)
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买入持有基准: {r1['buyhold']:+.1f}%
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生成: {datetime.now().strftime('%Y-%m-%d %H:%M')}
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小唯股票投研 · 模拟阶段"""
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send_feishu(msg)
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print("\n✅ 已推送飞书")
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# 保存
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result_file = OUTPUT / f"compare_{code}.json"
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with open(result_file, "w") as f:
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json.dump({"code": code, "start": start, "end": end,
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"macd": r1, "ma_breakout": r2, "dual_ma": r3}, f, ensure_ascii=False, indent=2, default=str)
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print(f"数据存: {result_file}")
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if __name__ == "__main__":
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main() |