Co-Diagnostics, Inc. (CODX) short interest & options flow
NASDAQCo-Diagnostics is flashing a rare bearish signal in the options market. The put-call ratio hit 0.75 on May 18 — the highest reading in 52 weeks. The 20-day average PCR was just 0.095. That puts the z-score at 4.33, a statistically extreme reading. The stock closed at $1.37 on May 18, down 27.9% over the past week. Earnings on May 14 delivered a -19.7% single-day move.
CODX put-call ratio spikes to 0.75, highest in 52 weeks—Z-score 4.33 signals extreme bearish options sentiment amid stock weakness.
- Market cap
- $2M
- Next earnings
- 12 Nov 2026
Key data as of 12 Nov 2026

Latest signals on CODX
- Options
CODX put-call ratio spikes to 0.75, highest in 52 weeks—Z-score 4.33 signals extreme bearish options sentiment amid stock weakness.
- Short Interest
CODX short interest surges 326% in one week to 0.45% of float, cost to borrow jumps 81% to 39.66%.
- Cost to Borrow
CODX cost to borrow surges to 54.84%, up 175% in one week, amid tightening short availability.
- Utilization
CODX short interest utilization hits 93.51%, near 52-week high of 100%, as shares to borrow tighten significantly.
CODX news and analysis
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