PZA Short Volume
Invesco National AMT-Free Municipal Bond ETF (PZA) operates in the Financial Services sector, specifically the Asset Management - Bonds industry, with a market capitalization near $4.16B, listed on AMEX, carrying a beta of 1.29 to the broader market. The Invesco National AMT-Free Municipal Bond ETF (PZA) aims to track the investment results of The ICE BofAML National Long-Term Core Plus Municipal Securities Index. public since 2007-10-18.
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
- 2026-06-30
- Short Volume
- 189.3K
- Total Volume
- 427.2K
- Short %
- 44.31%
- 30-Day Avg Short %
- 43.41%
Showing 30 days of FINRA short volume data for Invesco National AMT-Free Municipal Bond ETF.
Learn how short volume is reported and how to read the data →
Frequently asked PZA short volume questions
- What is the daily PZA short volume?
- As of Jun 30, 2026, Invesco National AMT-Free Municipal Bond ETF (PZA) short volume is 189.3K shares against 427.2K total reported volume, or 44.31% short-side. Short volume measures shares sold short during the day; it is flow, not inventory.
- How is PZA 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 PZA 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.