PMMF Short Volume
iShares Prime Money Market ETF (PMMF) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $664.9M, listed on NYSE, carrying a beta of -0.01 to the broader market. The iShares Prime Money Market ETF strives to generate strong current income, always balancing this goal with the critical needs for investment liquidity and the steadfast preservation of principal. public since 2025-02-04.
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
- 2026-08-28
- Short Volume
- 46.1K
- Total Volume
- 77.5K
- Short %
- 59.49%
- 30-Day Avg Short %
- 52.74%
Showing 30 days of FINRA short volume data for iShares Prime Money Market ETF.
Learn how short volume is reported and how to read the data →
Frequently asked PMMF short volume questions
- What is the daily PMMF short volume?
- As of Aug 28, 2026, iShares Prime Money Market ETF (PMMF) short volume is 46.1K shares against 77.5K total reported volume, or 59.49% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is PMMF 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 PMMF 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.