ShortInterestHistory.com

MSTU Short Interest History

MSTU Short Interest (September 15, 2026 Update)
Short interest for MSTU was 3.2M as of September 15, 2026, -23.3% from the prior report.
This page tracks MSTU short interest over time, including historical values, changes between reports, and days to cover.

T-Rex 2X Long MSTR Daily Targe | MSTU | BZX | Latest report: September 15, 2026

Current Short Interest3.2M
Prior Short Interest4.2M
Change Shares-967.9K
Change %-23.3%
Average Daily Volume5.0M
Days to Cover1

At the latest settlement date of September 15, 2026, T-Rex 2X Long MSTR Daily Targe (MSTU) showed reported short interest of 3,191,251 shares. That compared with 4,159,112 shares in the prior report, a change of -967.9K shares, or -23.3%. The latest reported days to cover was 1, based on average daily volume of 5.0M.

The historical data currently tracked for MSTU includes 46 reported entries from September 30, 2024 to September 15, 2026. Over that span, reported short interest has ranged from 272.6K to 98.9M 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 MSTU

Settlement DateShort InterestPrior Short InterestChange SharesChange %Average Daily VolumeDays to Cover
September 15, 20263,191,2514,159,112-967.9K-23.3%5.0M1
August 31, 20264,159,11232,613,110-28.5M-87.2%12.8M1
August 14, 202632,613,11028,968,2783.6M+12.6%126.2M1
July 31, 202628,968,27838,116,639-9.1M-24.0%103.6M1
July 15, 202638,116,63933,319,4354.8M+14.4%85.0M1
June 30, 202633,319,43535,255,721-1.9M-5.5%73.6M1
June 15, 202635,255,72120,152,84615.1M+74.9%48.9M1
May 29, 202620,152,84613,839,4216.3M+45.6%34.0M1
May 15, 202613,839,42112,896,986942.4K+7.3%36.5M1
April 30, 202612,896,98619,751,479-6.9M-34.7%40.8M1
April 15, 202619,751,47911,379,9728.4M+73.6%33.8M1
March 31, 202611,379,97215,730,103-4.4M-27.7%32.9M1
March 13, 202615,730,10314,600,6441.1M+7.7%39.7M1
February 27, 202614,600,64413,300,5811.3M+9.8%34.2M1
February 13, 202613,300,58113,239,54461.0K+0.5%47.4M1
January 30, 202613,239,5448,907,2894.3M+48.6%19.7M1
January 15, 20268,907,28910,856,968-1.9M-18.0%20.6M1
December 31, 202510,856,96811,498,915-641.9K-5.6%9.3M1.17
December 15, 202511,498,91598,917,621-87.4M-88.4%13.8M1
November 28, 202598,917,62168,368,04630.5M+44.7%141.9M1
November 14, 202568,368,04670,587,359-2.2M-3.1%100.8M1
October 31, 202570,587,35964,418,5306.2M+9.6%72.3M1
October 15, 202564,418,53054,987,1119.4M+17.2%62.9M1.02
September 15, 202545,645,44236,096,6689.5M+26.5%41.3M1.11
August 29, 202536,096,66835,144,242952.4K+2.7%39.6M1
August 15, 202535,144,24232,063,3953.1M+9.6%40.5M1
July 31, 202532,063,39534,887,614-2.8M-8.1%35.0M1
July 15, 202534,887,61435,473,781-586.2K-1.7%45.8M1
June 30, 202535,473,78134,832,600641.2K+1.8%35.4M1
June 13, 202534,832,60033,931,874900.7K+2.7%38.4M1
May 30, 202533,931,87442,160,952-8.2M-19.5%58.5M1
May 15, 202542,160,95239,153,6373.0M+7.7%63.0M1
April 30, 202539,153,63740,688,553-1.5M-3.8%71.0M1
April 15, 202540,688,55340,731,285-42.7K-0.1%107.2M1
March 31, 202540,731,28539,564,9081.2M+2.9%70.4M1
February 28, 202541,508,99129,600,49711.9M+40.2%56.0M1
February 14, 202529,600,49724,632,2685.0M+20.2%33.0M1
January 31, 202524,632,26824,050,275582.0K+2.4%46.5M1
January 15, 202524,050,27524,575,247-525.0K-2.1%51.9M1
December 31, 202424,575,2472,460,62922.1M+898.7%45.9M1
December 13, 20242,460,6291,069,3341.4M+130.1%5.1M1
November 29, 20241,069,3343,495,174-2.4M-69.4%10.7M1
November 15, 20243,495,1742,617,231877.9K+33.5%7.2M1
October 31, 20242,617,231989,1971.6M+164.6%6.1M1
October 15, 2024989,197272,623716.6K+262.8%4.1M1
September 30, 2024272,6230272.6K+100.0%808.5K1

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