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A5 mechanical-selling reversion score

What it is

A5 mechanical-selling reversion score — registry key a5_mechanical_score.

Raw dislocation score for A5 mechanical-selling mean reversion: abs(beta_residual_pct) = abs(own_ret_pct - beta_60d * spy_ret_pct) on the mechanical day. Larger = more of the drop is forced/unexplained by beta. 0.0 when state=none.

Source

Source module: screener
Data source: computed

Derived metric — produced inside the platform (app/sources/screener.py or equivalent) rather than fetched as a raw upstream value. See the How it's computed section below for the formula.

How it’s computed

beta_residual_pct = own_ret_pct - beta_60d * spy_ret_pct. score = abs(beta_residual_pct) when conditions pass, else 0.0.

Where it surfaces

• API field: screener.candidates.a5.score on GET /api/v1/signals/latest

Health-score / alignment role

Data carrier — no implication, no health-score contribution.

Persisted for downstream consumers (sparklines, base-rate matcher, calibration substrate) but does not classify into BULLISH / NEUTRAL / BEARISH and does not contribute to the 0-100 health score.

Release cadence

• Publishes: daily