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PZA · Invesco National AMT-Free Municipal Bond ETF · Short Interest ETF

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$21.52 -0.09 (-0.42%) At close · Oct 20
Volume · Oct 20 3.07M Avg daily vol (3M) 3.02M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

Pull short interest history through the short interest API or MCP →

PZA Latest Reported Short Interest

FINRA reported 389,424 PZA shares sold short as of the September 30, 2026 settlement date, an increase of 92,776 shares. Days to cover was 1.00 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent splits of this listing

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 389,424 296,648 +92,776 1.00
    2026-09-15 296,648 152,298 +144,350 1.00
    2026-08-31 152,298 230,440 -78,142 1.00
    2026-08-14 230,440 247,038 -16,598 1.00
    2026-07-31 247,038 527,343 -280,305 1.00
    2026-07-15 527,343 458,341 +69,002 1.00
    2026-06-30 458,341 198,180 +260,161 1.00
    2026-06-15 198,180 181,162 +17,018 1.00
    2026-05-29 181,162 265,775 -84,613 1.00
    2026-05-15 265,775 267,280 -1,505 1.00
    2026-04-30 267,280 302,996 -35,716 1.00
    2026-04-15 302,996 308,231 -5,235 1.00
    2026-03-31 308,231 2,822,770 -2,514,539 1.00
    2026-03-13 2,822,770 745,689 +2,077,081 1.40
    2026-02-27 745,689 396,096 +349,593 1.00
    2026-02-13 396,096 7,489,190 -7,093,094 1.00
    2026-01-30 7,489,190 418,919 +7,070,271 2.43
    2026-01-15 418,919 272,481 +146,438 1.00
    2025-12-31 272,481 291,083 -18,602 1.00
    2025-12-15 291,083 377,760 -86,677 1.00
    2025-11-28 377,760 378,872 -1,112 1.00
    2025-11-14 378,872 565,002 -186,130 1.00
    2025-10-31 565,002 413,196 +151,806 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements