Timmy
7d72aed984
Recover 7 existing scripts from remote repo and rebuild 5 missing ones: - twse-margin-trading.py (融資融券) - twse-day-trading.py (當沖交易) - twse-foreign-holdings.py (外資持股) - yahoo-dividend-browserless.py (股利資訊) - yahoo-broker-trading-browserless.py (主力券商進出) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
92 lines
2.5 KiB
Python
92 lines
2.5 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from __future__ import annotations
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import json
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import sys
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import urllib.parse
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import urllib.request
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def fetch_closes(symbol: str, range_: str = "6mo", interval: str = "1d") -> list[float]:
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base = f"https://query1.finance.yahoo.com/v8/finance/chart/{symbol}"
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params = {"range": range_, "interval": interval}
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url = f"{base}?{urllib.parse.urlencode(params)}"
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req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
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with urllib.request.urlopen(req, timeout=30) as resp:
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data = json.loads(resp.read().decode("utf-8", errors="replace"))
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result = data.get("chart", {}).get("result", [])
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if not result:
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return []
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quote = result[0].get("indicators", {}).get("quote", [])
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if not quote:
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return []
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closes = quote[0].get("close", [])
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return [float(x) for x in closes if x is not None]
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def ema(values: list[float], period: int) -> list[float]:
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if not values:
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return []
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k = 2 / (period + 1)
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out = [values[0]]
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for v in values[1:]:
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out.append(v * k + out[-1] * (1 - k))
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return out
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def macd(closes: list[float]) -> tuple[list[float], list[float], list[float]]:
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ema12 = ema(closes, 12)
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ema26 = ema(closes, 26)
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dif = [a - b for a, b in zip(ema12, ema26)]
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dea = ema(dif, 9)
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hist = [d - s for d, s in zip(dif, dea)]
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return dif, dea, hist
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def main() -> None:
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symbol = sys.argv[1] if len(sys.argv) > 1 else "00922.TW"
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closes = fetch_closes(symbol)
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if len(closes) < 35:
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print(f"{symbol} 資料不足，無法判斷 MACD（至少 35 筆，當前 {len(closes)}）")
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return
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dif, dea, hist = macd(closes)
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d0, d1 = dif[-1], dif[-2]
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s0, s1 = dea[-1], dea[-2]
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h0, h1 = hist[-1], hist[-2]
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golden_cross = d1 <= s1 and d0 > s0
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death_cross = d1 >= s1 and d0 < s0
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low_zone = d0 < 0 and s0 < 0
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if golden_cross and low_zone:
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signal = "✅ 低位金叉：偏多訊號"
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elif golden_cross:
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signal = "✅ 金叉：短線轉強"
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elif death_cross:
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signal = "⚠️ 死叉：短線轉弱"
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elif h0 > h1 and h0 > 0:
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signal = "📈 多頭延續（柱體擴大）"
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elif h0 < h1 and h0 < 0:
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signal = "📉 空頭延續（柱體擴大）"
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else:
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signal = "👀 MACD 震盪中，先觀察"
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print(f"{symbol} MACD 摘要")
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print(f"- DIF：{d0:.4f}")
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print(f"- DEA：{s0:.4f}")
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print(f"- HIST：{h0:.4f}")
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print(f"- 訊號：{signal}")
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if __name__ == "__main__":
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main()
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