Files
foxhunt/crates
jgrusewski bde30c6c4d feat: Q-gap momentum modulates spread gradient — backs off during growth
spread_scale = inv_batch * delta_z * velocity_modulator
velocity_mod = clamp(1 - (Q_gap - Q_gap_ema) / delta_z, 0.1, 2.0)

Growing Q-gap → mod=0.1 (10% spread, let C51 learn).
Plateau → mod=1.0 (full spread, push Q-values apart).
Shrinking Q-gap → mod=2.0 (emergency spread, prevent collapse).
10% floor proven by train-w6qfd (val_Sharpe=21+ sustained).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-14 21:58:02 +02:00
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