Stocks.

Signal report cards short_interest

Short-interest crowding

Heavy short interest combined with rising borrow cost and high utilisation — historically a bearish crowding signal.

Demo data: this card was rendered from fixtures because no live track record has been computed yet in this environment.

Basket vs SPY

11 flagged ticker-events · 136-day window
HorizonBasketSPYAlphaSample
+30d1.80%2.60%-0.80%n=11
+60d3.10%4.80%-1.70%n=10
+90d5.40%6.90%-1.50%n=7

Returns are equal-weighted, simple arithmetic means of per-ticker forward returns. Alpha = basket minus SPY. Flags younger than the horizon are excluded from that horizon's sample.

Methodology

What the signal measures
Heavy short interest combined with rising borrow cost and high utilisation — historically a bearish crowding signal.
What counts as a flag
Composite score ≤ −0.50 (high short interest, days-to-cover, and utilisation).
Sample window
2026-01-01 2026-05-17
Benchmark
SPY

Recent flags

Most recent ticker-events that crossed the flag criteria, newest first. Spot-check the rule against actual signal output.

  • AMC
    bearscore -0.662026-05-09
  • BYND
    bearscore -0.742026-04-28
  • CVNA
    bearscore -0.582026-04-11

Outputs are informational only and should not be considered individualized investment advice.

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