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CDX · Simplify High Yield ETF · Short Interest ETF

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$20.36 +0.09 (+0.44%)
Volume · Oct 21 22.89K Avg daily vol (3M) 123.33K

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 →

CDX Latest Reported Short Interest

FINRA reported 13,916 CDX shares sold short as of the September 30, 2026 settlement date, an increase of 8,968 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 13,916 4,948 +8,968 1.00
    2026-09-15 4,948 901 +4,047 1.00
    2026-08-31 901 7,432 -6,531 1.00
    2026-08-14 7,432 445 +6,987 1.00
    2026-07-31 445 20,345 -19,900 1.00
    2026-07-15 20,345 17,009 +3,336 1.00
    2026-06-30 17,009 5,053 +11,956 1.00
    2026-06-15 5,053 4,501 +552 1.00
    2026-05-29 4,501 1,161 +3,340 1.00
    2026-05-15 1,161 14,037 -12,876 1.00
    2026-04-30 14,037 5,649 +8,388 1.00
    2026-04-15 5,649 201,260 -195,611 1.00
    2026-03-31 201,260 366,043 -164,783 1.40
    2026-03-13 366,043 18,582 +347,461 1.96
    2026-02-27 18,582 43,258 -24,676 1.00
    2026-02-13 43,258 37,724 +5,534 1.00
    2026-01-30 37,724 5,033 +32,691 1.00
    2026-01-15 5,033 2,530 +2,503 1.00
    2025-12-31 2,530 56,528 -53,998 1.00
    2025-12-15 56,528 151,052 -94,524 1.00
    2025-11-28 151,052 119,834 +31,218 1.00
    2025-11-14 119,834 54,803 +65,031 1.00
    2025-10-31 54,803 13,509 +41,294 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements