SDS Short Volume

ProShares - UltraShort S&P500 (SDS) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $307.1M, listed on AMEX, carrying a beta of -1.87 to the broader market. The ProShares UltraShort S&P500 fund is engineered to provide daily investment outcomes that mirror negative two times (-2x) the daily fluctuations of the S&P 500 index. public since 2006-07-13.

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

381.4K

Total Volume

683.8K

Short %

55.77%

30-Day Avg Short %

63.85%

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

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

Frequently asked SDS short volume questions

What is the daily SDS short volume?

As of Jun 30, 2026, ProShares - UltraShort S&P500 (SDS) short volume is 381.4K shares against 683.8K total reported volume, or 55.77% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.

How is SDS 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 SDS 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.