MSTZ Short Volume
T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $100.8M, listed on CBOE, carrying a beta of -2.43 to the broader market. The fund, under normal circumstances, invests in swap agreements that provide 200% inverse (opposite)daily exposure to MSTR equal to at least 80% of the fund’s net assets (plus borrowings for investment purposes). public since 2024-09-18.
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
- 5.5M
- Total Volume
- 15.1M
- Short %
- 36.41%
- 30-Day Avg Short %
- 46.54%
Showing 30 days of FINRA short volume data for T-REX 2X Inverse MSTR Daily Target ETF.
Learn how short volume is reported and how to read the data →
Frequently asked MSTZ short volume questions
- What is the daily MSTZ short volume?
- As of May 15, 2026, T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) short volume is 5.5M shares against 15.1M total reported volume, or 36.41% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is MSTZ 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 MSTZ 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.