📐 Methodology
SHORT VOLUME RATIO (SVR)
SVR = ShortVolume / TotalVolume · % of today's trading executed shortSource: FINRA CNMS Reg SHO Daily file — consolidated across all venues
T+1 publication, ~7:45 PM ET
Z-SCORE (60-day distribution)
z = (SVR_today − mean_60d) / stdev_60dz > 2 = abnormal · z > 2.5 = extreme · z > 3 = once in 100 days
MOMENTUM
momentum = SVR_5d_avg − SVR_20d_avg · Positive = building short pressure
DAYS-TO-COVER (20-day cumulative basis)
DTC = Σ short_vol_20d / avg_total_vol_20dForced-cover risk: how many trading days at current volume to fully cover
SQUEEZE SETUP SCORE
+30 SVR > 60% AND z > 2 (abnormal heavy shorting)+25 DTC > 5 days (forced cover risk)
+20 price > MA20 (squeeze fuel from price strength)
+15 momentum > +2pp AND z > 2.5 (extreme + building)
+10 any of last 3 days SVR > 80% (climax shorting)
Score ≥ 50 ⟹ squeeze candidate