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CO

Co-Diagnostics, Inc. (CODX) short interest & options flow

NASDAQ

Co-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.

Latest pulse19 May 2026

CODX put-call ratio spikes to 0.75, highest in 52 weeks—Z-score 4.33 signals extreme bearish options sentiment amid stock weakness.

$0.28-3.78% 1d-23.13% 1w-75.20% 1mClose: 11 Nov 2026
Short interest % of float
Low
Live SI on ORTEX →
Cost to borrow
High and rising
Live CTB on ORTEX →
Availability
Low and dropping
Live availability on ORTEX →
Market cap
$2M
Next earnings
12 Nov 2026
See the full picture on ORTEX →Live short interest, options flow, signals, 13F filings, and more.

Key data as of 12 Nov 2026

ORTEX chart of Co-Diagnostics, Inc. (CODX) share price and short interest (% of free float), six months to November 11, 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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