MZZ
ProShares UltraShort MidCap400stockNYSEETF
At CloseOct 2, 2026
6.36USD-2.044%(-0.13)1,513
After-hoursOct 2, 2026 4:10:30 PM EDT
6.36USD-1.928%(-0.13)
As of 2026-09-15, there were 1,338 shares short with a short interest of 0.19%.
MZZ Short Interest - Official
Short Interest
MZZ Short Position Change - Official
Short Position Change
MZZ 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 | 0.19 | 1,338 | 1.00 | -773 | -36.62 | 713,510 | 713,510 |
| 2026-08-31 | 0.30 | 2,111 | 1.00 | +383 | +22.16 | 713,510 | 713,510 |
| 2026-08-14 | 0.42 | 1,728 | 1.00 | -285 | -14.16 | 413,510 | 413,510 |
| 2026-07-31 | 0.49 | 2,013 | 1.00 | -1,549 | -43.49 | 413,510 | 413,510 |
| 2026-07-15 | 0.86 | 3,562 | 1.00 | +2,121 | +147.19 | 413,510 | 413,510 |
| 2026-06-30 | 0.35 | 1,441 | 1.00 | -323 | -18.31 | 413,510 | 413,510 |
| 2026-06-15 | 0.43 | 1,764 | 1.00 | -12,105 | -87.28 | 413,510 | 413,510 |
| 2026-05-15 | 12.22 | 13,869 | 5.51 | -6,812 | -32.94 | 113,510 | 113,510 |
| 2026-04-30 | 18.22 | 20,681 | 2.63 | +7,009 | +51.27 | 113,510 | 113,510 |
| 2026-04-15 | 12.04 | 13,672 | 1.00 | +4,435 | +48.01 | 113,510 | 113,510 |
| 2026-03-31 | 8.14 | 9,237 | 1.31 | -3,249 | -26.02 | 113,510 | 113,510 |
| 2026-03-13 | 11.00 | 12,486 | 1.55 | -3,950 | -24.03 | 113,510 | 113,510 |
| 2026-02-27 | 14.48 | 16,436 | 5.58 | +3,583 | +27.88 | 113,510 | 113,510 |
| 2026-02-13 | 11.32 | 12,853 | 1.41 | +2,110 | +19.64 | 113,510 | 113,510 |
| 2026-01-30 | 9.46 | 10,743 | 3.46 | -21 | -0.20 | 113,510 | 113,510 |
| 2026-01-15 | 9.48 | 10,764 | 7.29 | +113 | +1.06 | 113,510 | 113,510 |
| 2025-12-31 | 9.38 | 10,651 | 6.35 | -3,611 | -25.32 | 113,510 | 113,510 |
| 2025-12-15 | 12.56 | 14,262 | 8.95 | -6 | -0.04 | 113,510 | 113,510 |
| 2025-11-28 | 12.57 | 14,268 | 2.19 | -1,015 | -6.64 | 113,510 | 113,510 |
| 2025-11-14 | 13.46 | 15,283 | 4.19 | +245 | +1.63 | 113,510 | 113,510 |
| 2025-10-31 | 13.25 | 15,038 | 16.01 | +317 | +2.15 | 113,510 | 113,510 |
| 2025-10-15 | 12.97 | 14,721 | 5.99 | +182 | +1.25 | 113,510 | 113,510 |
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.
