Short volume measures the number of shares sold short on a given day as reported by FINRA. Tracking short volume relative to total volume helps identify unusual bearish sentiment or short-squeeze potential.

Latest Date
2026-04-02
Short Volume
233.1K
Total Volume
325.6K
Short %
71.58%
30-Day Avg Short %
65.82%

Showing 30 days of FINRA short volume data for Personalis, Inc..