MSTZ Short Volume

T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $44.6M, listed on CBOE, carrying a beta of -3.61 to the broader market. This fund generally commits a minimum of 80% of its net assets, along with any borrowed capital for investment purposes, into swap agreements. 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
2026-09-30
Short Volume
15.1M
Total Volume
28.7M
Short %
52.50%
30-Day Avg Short %
51.64%

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 Sep 30, 2026, T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) short volume is 15.1M shares against 28.7M total reported volume, or 52.50% 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.