UMDD Short Volume

ProShares - UltraPro MidCap 400 (UMDD) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $44.5M, listed on AMEX, carrying a beta of 3.19 to the broader market. The ProShares UltraPro MidCap400 strives to achieve daily investment outcomes that are triple (3x) the daily fluctuations of the S&P MidCap 400 index. 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
2026-06-30
Short Volume
3.1K
Total Volume
4.7K
Short %
66.55%
30-Day Avg Short %
38.17%

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 Jun 30, 2026, ProShares - UltraPro MidCap 400 (UMDD) short volume is 3.1K shares against 4.7K total reported volume, or 66.55% 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.