JMST Short Volume
JPMorgan Ultra-Short Municipal Income ETF (JMST) operates in the Financial Services sector, specifically the Asset Management - Bonds industry, with a market capitalization near $6.69B, listed on CBOE, carrying a beta of 0.08 to the broader market. This fund typically commits a minimum of 80% of its total investment capital to municipal debt instruments. public since 2018-10-22.
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
- 683.2K
- Total Volume
- 1.0M
- Short %
- 68.30%
- 30-Day Avg Short %
- 52.59%
Showing 30 days of FINRA short volume data for JPMorgan Ultra-Short Municipal Income ETF.
Learn how short volume is reported and how to read the data →
Frequently asked JMST short volume questions
- What is the daily JMST short volume?
- As of Jun 30, 2026, JPMorgan Ultra-Short Municipal Income ETF (JMST) short volume is 683.2K shares against 1.0M total reported volume, or 68.30% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is JMST 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 JMST 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.