ZMUN Short Volume

F/m Ultrashort Tax-Free Municipal ETF (ZMUN) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $1.0M, listed on NASDAQ, carrying a beta of -0.00 to the broader market. The F/m Callable Tax-Free Municipal ETF is a passively-managed ETF seeking to track the price and yield performance of the Bloomberg Municipal Bond Currently Callable Index. public since 2025-09-30.

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
2026-06-01
Short Volume
75
Total Volume
1.4K
Short %
5.39%
30-Day Avg Short %
55.08%

Showing 30 days of FINRA short volume data for F/m Ultrashort Tax-Free Municipal ETF.

Learn how short volume is reported and how to read the data →

Frequently asked ZMUN short volume questions

What is the daily ZMUN short volume?
As of Jun 1, 2026, F/m Ultrashort Tax-Free Municipal ETF (ZMUN) short volume is 75 shares against 1.4K total reported volume, or 5.39% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
How is ZMUN 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 ZMUN 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.