4.7 KiB
4.7 KiB
HOLD Avoidance Incentive System - Complete
Problem Identified
The model was getting stuck in HOLD mode because:
- HOLD is "safe" - never gets penalized for wrong predictions
- No incentive for action-taking - only profit/loss matters
- Missing opportunity cost - no penalty for missing profitable moves
- Overconfident HOLD - model becomes confident in doing nothing
Solution: Future Price Alignment Reward System
1. ✅ Future Price Alignment Rewards
Incentivizes actions that align with future price movement:
# BUY Actions
if price_goes_up > 0.1%:
reward += up_to_5%_bonus
elif price_goes_down < -0.1%:
reward -= up_to_5%_penalty
# SELL Actions
if price_goes_down < -0.1%:
reward += up_to_5%_bonus
elif price_goes_up > 0.1%:
reward -= up_to_5%_penalty
# HOLD Actions
if price_stays_flat < 0.5%:
reward += small_bonus
else:
reward -= missed_opportunity_penalty
2. ✅ Action Diversity Penalty
Discourages excessive HOLD actions:
# Every HOLD action gets small constant penalty
if action == 'HOLD':
reward -= 0.005 # Encourages action-taking
3. ✅ Missed Opportunity Penalties
Penalizes HOLD when significant price moves occur:
if action == 'HOLD' and abs(price_change) > 0.5%:
penalty = -min(abs(price_change) / 100, 0.1) # Up to 10% penalty
reward += penalty
4. ✅ Confidence-Based Adjustments
Higher penalties for overconfident wrong predictions:
if confidence > 0.8 and wrong_prediction:
penalty *= (1 + confidence) # Amplify penalty for overconfident mistakes
elif confidence > 0.8 and correct_prediction:
reward *= 1.2 # Small bonus for confident correct predictions
Reward Structure Examples
Scenario 1: BUY before 2% price increase
- Base reward: +2% (profit)
- Alignment bonus: +2% (correct direction)
- Total: +4% (strong positive reinforcement)
Scenario 2: SELL before 2% price increase (wrong)
- Base reward: -2% (loss)
- Alignment penalty: -2% (wrong direction)
- Confidence penalty: -1% (if 90% confident)
- Total: -5% (strong negative reinforcement)
Scenario 3: HOLD during 3% price increase (missed opportunity)
- Base reward: 0% (no trade)
- Missed opportunity: -3% (could have profited)
- Diversity penalty: -0.5% (discourages HOLD)
- Total: -3.5% (teaches to take action)
Scenario 4: HOLD during 0.2% price change (correct)
- Base reward: 0% (no trade)
- Correct HOLD bonus: +0.5% (price stayed flat)
- Diversity penalty: -0.5% (constant HOLD penalty)
- Total: 0% (neutral, but not penalized)
Expected Behavioral Changes
1. Reduced HOLD Bias
- Before: Model defaults to HOLD (safe option)
- After: Model considers opportunity cost of inaction
2. Better Action Timing
- Before: Random BUY/SELL timing
- After: Actions align with future price movements
3. Confidence Calibration
- Before: Overconfident in HOLD decisions
- After: Penalized for overconfident wrong predictions
4. Opportunity Recognition
- Before: Ignores profitable opportunities
- After: Learns to recognize and act on price movements
Implementation Details
Training Data Enhancement
Each training sample now includes:
entry_priceandexit_pricefor alignment calculationconfidencelevel for confidence-based adjustments- Future price movement analysis
- Opportunity cost calculations
Reward Calculation Flow
- Calculate base reward from actual profit/loss
- Add alignment reward based on action vs future price
- Apply diversity penalty for HOLD actions
- Adjust for confidence level and correctness
- Combine all components for final reward
Logging and Debugging
Alignment reward: SELL with +1.50% move, conf=0.93 = -0.0245
Alignment reward: BUY with +2.10% move, conf=0.87 = +0.0252
Alignment reward: HOLD with +3.20% move, conf=0.65 = -0.0370
Expected Results
Short Term (1-2 hours)
- ✅ Reduced HOLD frequency - Model takes more actions
- ✅ Better action timing - Actions align with price movements
- ✅ Improved confidence - Less overconfident HOLD decisions
Medium Term (1-2 days)
- ✅ Higher profitability - Better action selection
- ✅ Reduced missed opportunities - Acts on significant moves
- ✅ Balanced action distribution - Not stuck in HOLD mode
Long Term (1+ weeks)
- ✅ Adaptive behavior - Learns market patterns
- ✅ Risk-adjusted actions - Considers opportunity costs
- ✅ Optimal action frequency - Right balance of action vs patience
The system now provides strong incentives for taking profitable actions while penalizing both wrong actions AND missed opportunities, breaking the HOLD bias!