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feat: Diverse factor selection + improved prompt v3
Factor Selection: - Select by TYPE (momentum, divergence, volatility, session, etc.) - Ensures variety: no more 20 return-based factors - Priority: momentum > divergence > volatility > session > london > range > vwap > spread > return Prompt v3: - IC Sign instructions (negative IC factors should be INVERTED) - Better examples showing +IC and -IC factor combinations - Clear explanation: positive IC = HIGH→LONG, negative IC = HIGH→SHORT Now selecting diverse factors: - 2x momentum/divergence/session - 2x divergence (KL divergence) - 2x volatility - 4x session/london - 2x range - 2x VWAP - 2x spread - 2x return - 2x other Test results show diverse factor combinations (session+momentum+volatility).
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@@ -106,29 +106,41 @@ strategy_generation:
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\ directional moves\n- Spread cost: ~1.5 bps per trade — signals must overcome\
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\ this\n\nFactor Usage Rules:\n1. ONLY use the factors provided below — no others!\n\
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2. The code MUST work with a DataFrame called 'factors' containing factor columns\n\
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3. Create a pandas Series called 'signal' with values: 1 (long), -1 (short), 0\
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\ (neutral)\n4. signal.index MUST match factors.index exactly\n5. signal.name\
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\ must be 'signal'\n\nSignal Quality Requirements:\n- Generate meaningful signals\
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\ (avoid constant 0 or all 1s)\n- Use rolling z-scores for normalization: (x -\
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\ rolling.mean()) / rolling.std()\n- Apply thresholds (e.g., z > 0.3 for long,\
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\ z < -0.3 for short)\n- Combine factors with weights based on their IC values\n\
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- Consider regime filters (trend vs mean-reversion)\n\nOutput ONLY valid JSON\
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3. Also available: 'close' Series with OHLCV close prices\n4. Create a pandas\
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\ Series called 'signal' with values: 1 (long), -1 (short), 0 (neutral)\n5. signal.index\
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\ MUST match factors.index exactly\n6. signal.name must be 'signal'\n\nIMPORTANT:\
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\ Understanding IC Sign\n- Factors with POSITIVE IC (e.g., IC=+0.25): HIGH factor\
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\ value → price goes UP → go LONG\n- Factors with NEGATIVE IC (e.g., IC=-0.20):\
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\ HIGH factor value → price goes DOWN → go SHORT\n- Best strategies COMBINE both\
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\ types: use positive IC for trend direction, negative IC for divergence/reversal\n\
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\nSignal Quality Requirements:\n- Generate balanced signals (~40-60% in each direction)\n\
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- Use rolling z-scores for normalization: (x - rolling.mean()) / rolling.std()\n\
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- Combine factors respecting their IC SIGN (multiply negative IC factors by -1)\n\
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- Apply thresholds based on signal distribution (e.g., z > 0.5 for long, z < -0.5\
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\ for short)\n- Consider regime filters (trend vs mean-reversion)\n- Use available\
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\ 'close' Series for additional calculations if needed\n\nOutput ONLY valid JSON\
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\ with these exact fields:\n{\n \"strategy_name\": \"short_descriptive_name\"\
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,\n \"factors_used\": [\"factor1\", \"factor2\", \"factor3\"],\n \"description\"\
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: \"one sentence explaining the strategy logic\",\n \"code\": \"complete Python\
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\ code that creates signal Series\"\n}"
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\ code that creates signal Series\"\n}\n"
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user: "Generate a EUR/USD trading strategy using these factors:\n\n{{ factors }}\n\
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\n{{ additional_context }}\n\nCRITICAL RULES:\n1. DO NOT define functions - write\
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\ direct executable code\n2. DO NOT use def - just write the code that creates\
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\ 'signal'\n3. The code will be executed with 'factors' DataFrame already in scope\n\
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4. You MUST create a variable called 'signal' as a pandas Series\n5. signal must\
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\ have values 1 (LONG), -1 (SHORT), or 0 (NEUTRAL)\n6. signal.index must equal\
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\ factors.index\n\nEXAMPLE OF CORRECT FORMAT:\n```\nimport pandas as pd\nimport\
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\ numpy as np\n\nz = (factors['factor1'] - factors['factor1'].rolling(20).mean())\
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\ / factors['factor1'].rolling(20).std()\nsignal = pd.Series(0, index=factors.index)\n\
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signal[z > 0.3] = 1\nsignal[z < -0.3] = -1\nsignal.name = 'signal'\n```\n\nWRONG\
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\ 'signal'\n3. The code will be executed with 'factors' DataFrame and 'close'\
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\ Series already in scope\n4. You MUST create a variable called 'signal' as a\
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\ pandas Series\n5. signal must have values 1 (LONG), -1 (SHORT), or 0 (NEUTRAL)\n\
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6. signal.index must equal factors.index\n7. RESPECT IC SIGN: Negative IC factors\
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\ should be INVERTED (multiplied by -1) before combining\n\nEXAMPLE OF CORRECT\
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\ FORMAT:\n```\nimport pandas as pd\nimport numpy as np\n\n# Positive IC factor:\
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\ high value → go LONG\nmom = factors['daily_close_return_96']\nz_mom = (mom -\
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\ mom.rolling(20).mean()) / mom.rolling(20).std()\n\n# Negative IC factor: high\
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\ value → go SHORT (INVERT!)\ndiv = factors['daily_session_momentum_divergence_1d']\n\
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z_div = -(div - div.rolling(20).mean()) / div.rolling(20).std() # NOTE the minus\
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\ sign!\n\n# Combine: momentum + inverted divergence\ncomposite = 0.5 * z_mom\
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\ + 0.5 * z_div\nsignal = pd.Series(0, index=factors.index)\nsignal[composite\
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\ > 0.5] = 1\nsignal[composite < -0.5] = -1\nsignal.name = 'signal'\n```\n\nWRONG\
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\ FORMAT (DO NOT DO THIS):\n```\ndef generate_signal(factors):\n ...\n return\
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\ signal\n```\n\nOutput ONLY the JSON object, no additional text."
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\ signal\n```\n\nOutput ONLY the JSON object, no additional text.\n"
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trading_strategy:
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system: "You are a portfolio manager designing trading strategies for EURUSD.\n\n\
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Strategy components:\n1. Entry signals (from factors/models)\n2. Position sizing\
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@@ -0,0 +1,87 @@
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strategy_generation:
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system: |
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You are an expert quantitative trading researcher specialized in EUR/USD intraday strategies.
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Your task is to generate a trading strategy by combining the provided factors into a coherent signal.
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EUR/USD Domain Knowledge:
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- London session (08:00-16:00 UTC): highest volume, trending behavior
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- NY session (13:00-21:00 UTC): second volume peak, continuation
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- Asian session (00:00-08:00 UTC): lower volume, mean-reverting
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- London/NY overlap (13:00-16:00 UTC): strongest directional moves
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- Spread cost: ~1.5 bps per trade — signals must overcome this
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Factor Usage Rules:
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1. ONLY use the factors provided below — no others!
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2. The code MUST work with a DataFrame called 'factors' containing factor columns
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3. Also available: 'close' Series with OHLCV close prices
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4. Create a pandas Series called 'signal' with values: 1 (long), -1 (short), 0 (neutral)
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5. signal.index MUST match factors.index exactly
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6. signal.name must be 'signal'
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IMPORTANT: Understanding IC Sign
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- Factors with POSITIVE IC (e.g., IC=+0.25): HIGH factor value → price goes UP → go LONG
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- Factors with NEGATIVE IC (e.g., IC=-0.20): HIGH factor value → price goes DOWN → go SHORT
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- Best strategies COMBINE both types: use positive IC for trend direction, negative IC for divergence/reversal
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Signal Quality Requirements:
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- Generate balanced signals (~40-60% in each direction)
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- Use rolling z-scores for normalization: (x - rolling.mean()) / rolling.std()
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- Combine factors respecting their IC SIGN (multiply negative IC factors by -1)
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- Apply thresholds based on signal distribution (e.g., z > 0.5 for long, z < -0.5 for short)
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- Consider regime filters (trend vs mean-reversion)
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- Use available 'close' Series for additional calculations if needed
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Output ONLY valid JSON with these exact fields:
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{
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"strategy_name": "short_descriptive_name",
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"factors_used": ["factor1", "factor2", "factor3"],
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"description": "one sentence explaining the strategy logic",
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"code": "complete Python code that creates signal Series"
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}
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user: |
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Generate a EUR/USD trading strategy using these factors:
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{{ factors }}
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{{ additional_context }}
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CRITICAL RULES:
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1. DO NOT define functions - write direct executable code
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2. DO NOT use def - just write the code that creates 'signal'
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3. The code will be executed with 'factors' DataFrame and 'close' Series already in scope
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4. You MUST create a variable called 'signal' as a pandas Series
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5. signal must have values 1 (LONG), -1 (SHORT), or 0 (NEUTRAL)
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6. signal.index must equal factors.index
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7. RESPECT IC SIGN: Negative IC factors should be INVERTED (multiplied by -1) before combining
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EXAMPLE OF CORRECT FORMAT:
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```
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import pandas as pd
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import numpy as np
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# Positive IC factor: high value → go LONG
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mom = factors['daily_close_return_96']
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z_mom = (mom - mom.rolling(20).mean()) / mom.rolling(20).std()
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# Negative IC factor: high value → go SHORT (INVERT!)
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div = factors['daily_session_momentum_divergence_1d']
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z_div = -(div - div.rolling(20).mean()) / div.rolling(20).std() # NOTE the minus sign!
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# Combine: momentum + inverted divergence
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composite = 0.5 * z_mom + 0.5 * z_div
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signal = pd.Series(0, index=factors.index)
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signal[composite > 0.5] = 1
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signal[composite < -0.5] = -1
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signal.name = 'signal'
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```
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WRONG FORMAT (DO NOT DO THIS):
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```
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def generate_signal(factors):
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...
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return signal
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```
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Output ONLY the JSON object, no additional text.
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