feat(live): RotationWorker (ROT02) dual-momentum top-k risk-gated
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"""RotationWorker (ROT02): dual-momentum top-k risk-gated, ribilancio giornaliero.
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Replica live di honest_improve2._rot_daily_equity (lookback 60, top_k 3, gross 0.45, SMA100 gate)."""
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from __future__ import annotations
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import json
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from datetime import datetime, timezone
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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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FEE_RT = 0.001
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def _panel(data: dict, universe: list):
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"""Allinea {asset: df} sui timestamp comuni -> (df_panel, cols presenti)."""
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frames = {}
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for a in universe:
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df = data.get(a)
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if df is not None and len(df):
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frames[a] = df[["timestamp", "close"]].rename(columns={"close": a})
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if not frames:
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return None, []
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panel = None
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for a, f in frames.items():
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panel = f if panel is None else panel.merge(f, on="timestamp", how="inner")
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panel = panel.sort_values("timestamp").reset_index(drop=True)
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cols = [a for a in universe if a in frames]
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return panel, cols
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class RotationWorker:
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def __init__(self, universe, lookback=60, top_k=3, gross=0.45, regime_n=100,
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tf="1d", capital=1000.0, fee_rt=FEE_RT, name="ROT02_rot",
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data_dir=Path("data/portfolio_paper")):
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self.universe = list(universe)
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self.lookback = lookback
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self.top_k = top_k
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self.gross = gross
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self.regime_n = regime_n
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self.tf = tf
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self.initial_capital = capital
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self.capital = capital
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self.fee_rt = fee_rt
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self.worker_id = f"{name}__{tf}"
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self.work_dir = Path(data_dir) / self.worker_id
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self.work_dir.mkdir(parents=True, exist_ok=True)
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self.status_path = self.work_dir / "status.json"
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self.trades_path = self.work_dir / "trades.jsonl"
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self.weights = {a: 0.0 for a in self.universe}
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self.last_bar_ts = 0
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self.in_position = False
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self._load()
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def _load(self):
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if self.status_path.exists():
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s = json.loads(self.status_path.read_text())
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self.capital = s.get("capital", self.capital)
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self.weights = {**{a: 0.0 for a in self.universe}, **s.get("weights", {})}
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self.last_bar_ts = s.get("last_bar_ts", 0)
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self.in_position = any(v > 0 for v in self.weights.values())
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def _save(self):
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self.status_path.write_text(json.dumps({
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"capital": round(self.capital, 2), "weights": self.weights,
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"last_bar_ts": self.last_bar_ts,
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"ts": datetime.now(timezone.utc).isoformat()}, indent=2))
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def tick(self, data: dict):
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panel, cols = _panel(data, self.universe)
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if panel is None or len(panel) < max(self.lookback + 1, self.regime_n + 1) or "BTC" not in cols:
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return
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P = panel[cols].values
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bar_ts = int(panel["timestamp"].iloc[-1])
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# 1) realizza il rendimento dei pesi correnti sull'ultima barra chiusa
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if self.last_bar_ts and bar_ts > self.last_bar_ts:
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day_ret = P[-1] / P[-2] - 1.0
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port_r = sum(self.weights.get(cols[k], 0.0) * day_ret[k] for k in range(len(cols)))
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self.capital = max(self.capital * (1.0 + float(port_r)), 10.0)
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# 2) ricalcola pesi target
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btc = P[:, cols.index("BTC")]
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bma = pd.Series(btc).rolling(self.regime_n).mean().values
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risk_on = btc[-1] > bma[-1] if not np.isnan(bma[-1]) else False
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mom = P[-1] / P[-1 - self.lookback] - 1.0
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order = np.argsort(mom)[::-1]
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chosen = [k for k in order if mom[k] > 0][: self.top_k] if risk_on else []
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nw = {a: 0.0 for a in self.universe}
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for k in chosen:
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nw[cols[k]] = self.gross / len(chosen)
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# 3) fee sul turnover
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turnover = sum(abs(nw[a] - self.weights.get(a, 0.0)) for a in self.universe)
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self.capital -= self.capital * turnover * (self.fee_rt / 2)
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if turnover > 0:
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self._log(nw, float(self.capital))
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self.weights = nw
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self.last_bar_ts = bar_ts
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self.in_position = any(v > 0 for v in nw.values())
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self._save()
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def _log(self, weights, cap):
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with open(self.trades_path, "a") as f:
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f.write(json.dumps({"ts": datetime.now(timezone.utc).isoformat(),
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"weights": {a: round(w, 4) for a, w in weights.items() if w > 0},
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"capital": round(cap, 2)}) + "\n")
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@property
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def status_summary(self):
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held = {a: round(w, 3) for a, w in self.weights.items() if w > 0}
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return f"{self.worker_id}: cap={self.capital:.0f} held={held}"
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@@ -0,0 +1,32 @@
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import numpy as np
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import pandas as pd
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from src.live.rotation_worker import RotationWorker
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def _df(n=200, slope=1.0):
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c = np.linspace(100, 100 + slope * n, n)
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ts = (pd.date_range("2023-01-01", periods=n, freq="1D", tz="UTC").astype("int64") // 10**6)
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return pd.DataFrame({"timestamp": ts, "open": c, "high": c, "low": c, "close": c, "volume": 1.0})
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def test_rotation_picks_top_momentum_when_risk_on(tmp_path):
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w = RotationWorker(universe=["BTC", "AAA", "BBB"], top_k=2, gross=0.45, data_dir=tmp_path)
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data = {"BTC": _df(slope=1.0), "AAA": _df(slope=3.0), "BBB": _df(slope=0.1)}
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w.tick(data)
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assert w.weights["AAA"] > 0
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assert abs(sum(w.weights.values()) - 0.45) < 1e-9
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def test_rotation_flat_when_risk_off(tmp_path):
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# BTC in downtrend -> risk_off -> nessuna posizione
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w = RotationWorker(universe=["BTC", "AAA"], top_k=1, gross=0.45, data_dir=tmp_path)
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data = {"BTC": _df(slope=-1.0), "AAA": _df(slope=3.0)}
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w.tick(data)
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assert sum(w.weights.values()) == 0.0
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def test_rotation_persists_and_resumes(tmp_path):
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w = RotationWorker(universe=["BTC", "AAA"], top_k=1, gross=0.45, data_dir=tmp_path)
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w.tick({"BTC": _df(slope=1.0), "AAA": _df(slope=3.0)})
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w2 = RotationWorker(universe=["BTC", "AAA"], top_k=1, gross=0.45, data_dir=tmp_path)
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assert w2.weights == w.weights
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