UMDD Short Volume
ProShares - UltraPro MidCap 400 (UMDD) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $40.1M, listed on AMEX, carrying a beta of 3.28 to the broader market. ProShares UltraPro MidCap400 seeks daily investment results, before fees and expenses, that correspond to three times (3x) the daily performance of the S&P MidCap 400. public since 2010-02-11.
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
- 2026-05-15
- Short Volume
- 1.1K
- Total Volume
- 9.4K
- Short %
- 11.76%
- 30-Day Avg Short %
- 33.57%
Showing 30 days of FINRA short volume data for ProShares - UltraPro MidCap 400.
Learn how short volume is reported and how to read the data →
Frequently asked UMDD short volume questions
- What is the daily UMDD short volume?
- As of May 15, 2026, ProShares - UltraPro MidCap 400 (UMDD) short volume is 1.1K shares against 9.4K total reported volume, or 11.76% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is UMDD 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 UMDD 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.