Upload update_scaler.py

update_scaler.py

@@ -0,0 +1,32 @@
+import yfinance as yf
+import json
+import os
+
+def update_scaler(symbol="EURUSD=X", days=30, output_path="scaler_config.json"):
+    print(f"📈 Fetching {days}-day close data for {symbol}...")
+    data = yf.download(symbol, period=f"{days}d", interval="1d")
+
+    if data.empty:
+        print("⚠️ Failed to fetch data from yfinance.")
+        return
+
+    close_min = float(data["Close"].min())
+    close_max = float(data["Close"].max())
+
+    config = {
+        "CLOSE_MIN": close_min,
+        "CLOSE_MAX": close_max,
+        "symbol": symbol,
+        "updated_at": str(data.index[-1].date())
+    }
+
+    with open(output_path, "w") as f:
+        json.dump(config, f, indent=2)
+
+    print(f"✅ Scaler updated and saved to {output_path}")
+    print(f"   MIN={close_min:.5f}, MAX={close_max:.5f}")
+
+
+if __name__ == "__main__":
+    os.makedirs(os.path.dirname("scaler_config.json"), exist_ok=True)
+    update_scaler()