PFSA Short Volume
Profusa, Inc. Common Stock (PFSA) operates in the Healthcare sector, specifically the Medical - Equipment & Services industry, with a market capitalization near $206,291, listed on NASDAQ, employing roughly 2 people, carrying a beta of 0.45 to the broader market. A digital-health company developing tissue-integrating biosensors (e. Led by Ben Chung-Bin Hwang, public since 2025-07-14.
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
- 2026-06-01
- Short Volume
- 43.5K
- Total Volume
- 84.8K
- Short %
- 51.29%
- 30-Day Avg Short %
- 44.30%
Showing 30 days of FINRA short volume data for Profusa, Inc. Common Stock.
Learn how short volume is reported and how to read the data →
Frequently asked PFSA short volume questions
- What is the daily PFSA short volume?
- As of Jun 1, 2026, Profusa, Inc. Common Stock (PFSA) short volume is 43.5K shares against 84.8K total reported volume, or 51.29% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is PFSA short volume reported?
- FINRA publishes the Daily Short Sale Volume File for trades reported to FINRA TRFs and the FINRA/Nasdaq ADF on a T+1 basis. The headline figure is the count of shares that printed at the short-sale or short-exempt tick across all reporting venues for the symbol; each exchange separately publishes its own daily short-sale data file.
- What does PFSA short volume tell options traders?
- Daily short-sale flow is one input that helps disambiguate dealer-hedging activity from directional bear flow when the chain shows fresh customer call inventory. It is not a clean MM-only proxy: the headline number mixes directional shorting, options-MM delta-hedging, ETF-creation arbitrage, and convertible-arb hedging. Cross-check against gamma-exposure and OI changes for a cleaner read.