PSFO Short Volume

Pacer Swan SOS Flex (October) ETF (PSFO) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $16.5M, listed on CBOE, carrying a beta of 0.54 to the broader market. This exchange-traded fund (ETF) is designed to mirror the performance of the SPDR S&P 500 ETF Trust (its benchmark ETF), excluding its own fees and expenses, for an approximate one-year duration. public since 2021-10-01.

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
2026-07-16
Short Volume
3
Total Volume
6
Short %
50.00%
30-Day Avg Short %
42.52%

Showing 30 days of FINRA short volume data for Pacer Swan SOS Flex (October) ETF.

Learn how short volume is reported and how to read the data →

Frequently asked PSFO short volume questions

What is the daily PSFO short volume?
As of Jul 16, 2026, Pacer Swan SOS Flex (October) ETF (PSFO) short volume is 3 shares against 6 total reported volume, or 50.00% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
How is PSFO 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 PSFO 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.