ShortInterestHistory.com

MSTX Short Interest History

MSTX Short Interest (May 29, 2026 Update)
Short interest for MSTX was 3.4M as of May 29, 2026, +53.2% from the prior report.
This page tracks MSTX short interest over time, including historical values, changes between reports, and days to cover.

Tidal Trust II Defiance Daily | MSTX | Nasdaq | Latest report: May 29, 2026

Current Short Interest3.4M
Prior Short Interest2.2M
Change Shares1.2M
Change %+53.2%
Average Daily Volume2.6M
Days to Cover1.33

At the latest settlement date of May 29, 2026, Tidal Trust II Defiance Daily (MSTX) showed reported short interest of 3,390,229 shares. That compared with 2,212,285 shares in the prior report, a change of 1.2M shares, or +53.2%. The latest reported days to cover was 1.33, based on average daily volume of 2.6M.

The historical data currently tracked for MSTX includes 41 reported entries from August 30, 2024 to May 29, 2026. Over that span, reported short interest has ranged from 365.2K to 29.0M shares.

Short Interest Over Time

Days to Cover Over Time

Extreme edge-case readings may reflect unusually low reported average volume.

Short Interest History for MSTX

Settlement DateShort InterestPrior Short InterestChange SharesChange %Average Daily VolumeDays to Cover
May 29, 20263,390,2292,212,2851.2M+53.2%2.6M1.33
May 15, 20262,212,2851,941,082271.2K+14.0%2.8M1
April 30, 20261,941,0823,070,856-1.1M-36.8%4.1M1
April 15, 20263,070,8562,623,195447.7K+17.1%4.2M1
March 31, 20262,623,19522,639,130-20.0M-88.4%5.1M1
March 13, 202622,639,13025,873,241-3.2M-12.5%103.6M1
February 27, 202625,873,24129,049,333-3.2M-10.9%63.2M1
February 13, 202629,049,33326,890,9242.2M+8.0%91.5M1
January 30, 202626,890,92421,645,5165.2M+24.2%51.2M1
January 15, 202621,645,51623,793,320-2.1M-9.0%59.5M1
December 31, 202523,793,32021,139,0452.7M+12.6%33.1M1
December 15, 202521,139,04514,141,8257.0M+49.5%45.4M1
November 28, 202514,141,82516,928,344-2.8M-16.5%35.4M1
November 14, 202516,928,34412,433,6354.5M+36.1%13.4M1.27
October 31, 202512,433,63510,086,7062.3M+23.3%8.5M1.46
October 15, 202510,086,7066,922,3693.2M+45.7%10.4M1
September 15, 20255,892,9336,268,488-375.6K-6.0%7.5M1
August 29, 20256,268,4887,043,703-775.2K-11.0%6.5M1
August 15, 20257,043,7035,272,9121.8M+33.6%5.7M1.23
July 31, 20255,272,9125,116,941156.0K+3.0%5.7M1
July 15, 20255,116,9415,616,187-499.2K-8.9%7.4M1
June 30, 20255,616,1875,743,322-127.1K-2.2%5.8M1
June 13, 20255,743,3225,173,298570.0K+11.0%4.8M1.2
May 30, 20255,173,2984,584,021589.3K+12.9%8.5M1
May 15, 20254,584,0214,491,81792.2K+2.1%9.5M1
April 30, 20254,491,8175,830,674-1.3M-23.0%10.8M1
April 15, 20255,830,6747,367,930-1.5M-20.9%14.3M1
March 31, 20257,367,9308,532,592-1.2M-13.6%10.0M1
February 28, 20259,592,2226,255,3763.3M+53.3%10.5M1
February 14, 20256,255,3767,726,918-1.5M-19.0%6.8M1
January 31, 20257,726,9186,942,441784.5K+11.3%10.0M1
January 15, 20256,942,4415,160,0641.8M+34.5%13.5M1
December 31, 20245,160,0644,345,564814.5K+18.7%10.1M1
December 13, 20244,345,5642,627,5421.7M+65.4%8.6M1
November 29, 20242,627,5423,019,534-392.0K-13.0%11.6M1
November 15, 20243,019,534656,8732.4M+359.7%5.5M1
October 31, 2024656,8731,769,450-1.1M-62.9%3.9M1
October 15, 20241,769,450365,2331.4M+384.5%5.1M1
September 30, 2024365,2331,825,915-1.5M-80.0%4.5M1
September 13, 20241,825,915776,1961.0M+135.2%3.1M1
August 30, 2024776,1960776.2K+100.0%3.3M1

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