MSTY
YieldMax MSTR Option Income Strategy ETF
stockNYSEETF
Market OpenOct 5, 2026 11:12:49 AM EDT
16.60USD+1.467%(+0.24)1,008,620
16.59Bid16.60Ask0.01SpreadPre-marketOct 5, 2026 9:29:59 AM EDT
16.77USD+2.506%(+0.41)
As of 2026-09-15, there were 4,439,280 shares short with a short interest of 90.05%.
MSTY Short Interest - Official
Short Interest
MSTY Short Position Change - Official
Short Position Change
MSTY Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 90.05 | 4,439,280 | 1.99 | -1,183,438 | -21.05 | 4,930,000 | 4,930,000 |
| 2026-08-31 | 114.05 | 5,622,718 | 2.20 | +817,077 | +17.00 | 4,930,000 | 4,930,000 |
| 2026-08-14 | 97.48 | 4,805,641 | 3.53 | +1,916,730 | +66.35 | 4,930,000 | 4,930,000 |
| 2026-07-31 | 58.60 | 2,888,911 | 2.95 | -815,048 | -22.00 | 4,930,000 | 4,930,000 |
| 2026-07-15 | 75.13 | 3,703,959 | 3.26 | +393,997 | +11.90 | 4,930,000 | 4,930,000 |
| 2026-06-30 | 67.14 | 3,309,962 | 1.77 | +123,884 | +3.89 | 4,930,000 | 4,930,000 |
| 2026-06-15 | 64.63 | 3,186,078 | 1.77 | -2,371,237 | -42.67 | 4,930,000 | 4,930,000 |
| 2026-05-15 | 112.72 | 5,557,315 | 2.86 | +897,116 | +19.25 | 4,930,000 | 4,930,000 |
| 2026-04-30 | 94.53 | 4,660,199 | 2.48 | +1,028,869 | +28.33 | 4,930,000 | 4,930,000 |
| 2026-04-15 | 73.66 | 3,631,330 | 2.93 | +361,242 | +11.05 | 4,930,000 | 4,930,000 |
| 2026-03-31 | 66.33 | 3,270,088 | 2.95 | -681,872 | -17.25 | 4,930,000 | 4,930,000 |
| 2026-03-13 | 80.16 | 3,951,960 | 5.72 | -507,233 | -11.37 | 4,930,000 | 4,930,000 |
| 2026-02-27 | 90.45 | 4,459,193 | 6.26 | +416,240 | +10.30 | 4,930,000 | 4,930,000 |
| 2026-02-13 | 82.01 | 4,042,953 | 1.95 | +219,396 | +5.74 | 4,930,000 | 4,930,000 |
| 2026-01-30 | 77.56 | 3,823,557 | 2.27 | -1,224,670 | -24.26 | 4,930,000 | 4,930,000 |
| 2026-01-15 | 102.40 | 5,048,227 | 3.66 | -235,908 | -4.46 | 4,930,000 | 4,930,000 |
| 2025-12-31 | 107.18 | 5,284,135 | 3.51 | +690,527 | +15.03 | 4,930,000 | 4,930,000 |
| 2025-12-15 | 93.18 | 4,593,608 | 1.74 | +354,415 | +8.36 | 4,930,000 | 4,930,000 |
| 2025-11-28 | 429.94 | 4,239,193 | 1.81 | -466,832 | -9.92 | 986,000 | 986,000 |
| 2025-11-14 | 477.28 | 4,706,025 | 2.06 | -1,534,322 | -24.59 | 986,000 | 986,000 |
| 2025-10-31 | 632.90 | 6,240,347 | 3.09 | -828,283 | -11.72 | 986,000 | 986,000 |
| 2025-10-15 | 716.90 | 7,068,630 | 4.18 | -163,343 | -2.26 | 986,000 | 986,000 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.