IDEF
BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF
stockNASDAQETF
Market OpenOct 5, 2026 11:56:32 AM EDT
31.84USD+0.473%(+0.15)220,406
31.83Bid31.85Ask0.02SpreadAs of 2026-09-15, there were 189,902 shares short with a short interest of 0.14%.
IDEF Short Interest - Official
Short Interest
IDEF Short Position Change - Official
Short Position Change
IDEF 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 | 0.14 | 189,902 | 1.00 | +85,447 | +81.80 | 135,760,000 | 135,760,000 |
| 2026-08-31 | 0.08 | 104,455 | 1.00 | -370,466 | -78.01 | 134,080,000 | 134,080,000 |
| 2026-08-14 | 0.36 | 474,921 | 1.28 | -85,877 | -15.31 | 132,120,000 | 132,120,000 |
| 2026-07-31 | 0.43 | 560,798 | 1.07 | -295,650 | -34.52 | 130,920,000 | 130,920,000 |
| 2026-07-15 | 0.67 | 856,448 | 1.33 | +612,028 | +250.40 | 128,520,000 | 128,520,000 |
| 2026-06-30 | 0.19 | 244,420 | 1.00 | +150,932 | +161.45 | 127,800,000 | 127,800,000 |
| 2026-06-15 | 0.08 | 93,488 | 1.00 | -249,522 | -72.74 | 122,680,000 | 122,680,000 |
| 2026-05-15 | 0.32 | 343,010 | 1.00 | -504,392 | -59.52 | 108,040,000 | 108,040,000 |
| 2026-04-30 | 0.80 | 847,402 | 1.52 | +197,907 | +30.47 | 105,820,000 | 105,820,000 |
| 2026-04-15 | 0.63 | 649,495 | 1.00 | -62,081 | -8.72 | 102,420,000 | 102,420,000 |
| 2026-03-31 | 0.71 | 711,576 | 1.00 | -115,674,385 | -99.39 | 99,720,000 | 99,720,000 |
| 2026-03-13 | 3,659.94 | 116,385,961 | 13.04 | +116,366,805 | +607,469.23 | 3,180,000 | 3,180,000 |
| 2026-02-27 | 0.75 | 19,156 | 1.00 | -747,986 | -97.50 | 2,560,000 | 2,560,000 |
| 2026-02-13 | 43.59 | 767,142 | 7.57 | +748,684 | +4,056.15 | 1,760,000 | 1,760,000 |
| 2026-01-30 | 1.14 | 18,458 | 1.00 | -5,170 | -21.88 | 1,620,000 | 1,620,000 |
| 2026-01-15 | 1.74 | 23,628 | 1.00 | +22,578 | +2,150.29 | 1,360,000 | 1,360,000 |
| 2025-12-31 | 0.08 | 1,050 | 1.00 | -1,216 | -53.66 | 1,360,000 | 1,360,000 |
| 2025-12-15 | 0.17 | 2,266 | 1.00 | +1,016 | +81.28 | 1,360,000 | 1,360,000 |
| 2025-11-28 | 0.09 | 1,250 | 1.00 | -876 | -41.20 | 1,360,000 | 1,360,000 |
| 2025-11-14 | 0.18 | 2,126 | 1.00 | -21,271 | -90.91 | 1,180,000 | 1,180,000 |
| 2025-10-31 | 1.98 | 23,397 | 1.78 | +6,337 | +37.15 | 1,180,000 | 1,180,000 |
| 2025-10-15 | 1.45 | 17,060 | 1.00 | +2,325 | +15.78 | 1,180,000 | 1,180,000 |
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.