SPXU Short Volume

ProShares - UltraPro Short S&P500 (SPXU) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $469.0M, listed on AMEX, carrying a beta of -2.75 to the broader market. The ProShares UltraPro Short S&P500 (SPXU) aims to deliver daily investment performance that inversely correlates with the S&P 500 index, specifically targeting three times (-3x) the opposite of its day-to-day return. public since 2009-06-25.

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
2026-06-30
Short Volume
583.5K
Total Volume
1.2M
Short %
50.63%
30-Day Avg Short %
51.17%

Showing 30 days of FINRA short volume data for ProShares - UltraPro Short S&P500.

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

Frequently asked SPXU short volume questions

What is the daily SPXU short volume?
As of Jun 30, 2026, ProShares - UltraPro Short S&P500 (SPXU) short volume is 583.5K shares against 1.2M total reported volume, or 50.63% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
How is SPXU 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 SPXU 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.