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IBB · iShares Biotechnology ETF ETF

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$211.92 -1.89 (-0.88%) At close · Sep 4

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Short Volume

Date Short Volume Short Exempt Total Volume Short %
2026-09-04 145,107 39 245,274 59.2%
2026-09-03 386,934 136 516,642 74.9%
2026-09-02 490,748 140 705,613 69.5%
2026-09-01 405,928 15 552,155 73.5%
2026-08-31 150,047 692 414,625 36.2%
2026-08-28 315,225 886 512,309 61.5%
2026-08-27 421,322 0 485,363 86.8%
2026-08-26 383,267 298 502,443 76.3%
2026-08-25 459,280 123 619,853 74.1%
2026-08-24 272,375 2,402 469,291 58.0%
2026-08-21 844,516 128 1,329,828 63.5%
2026-08-20 715,583 1,489 1,238,810 57.8%
2026-08-19 664,096 600 780,147 85.1%
2026-08-18 387,703 5 439,146 88.3%
2026-08-17 365,725 0 475,158 77.0%
2026-08-14 120,179 20 210,285 57.2%
2026-08-13 305,189 1,534 503,809 60.6%
2026-08-12 504,892 0 740,748 68.2%
2026-08-11 452,296 14 629,030 71.9%
2026-08-10 716,870 708 793,142 90.4%
2026-08-07 581,347 2,013 679,269 85.6%
2026-08-06 601,093 342 693,137 86.7%
2026-08-05 359,144 126 430,210 83.5%
2026-08-04 273,653 412 396,633 69.0%
2026-08-03 249,975 258 421,729 59.3%
2026-07-31 361,110 128 664,305 54.4%
2026-07-30 227,040 0 553,248 41.0%
2026-07-29 180,273 471 326,207 55.3%
2026-07-28 146,996 278 255,875 57.4%
2026-07-27 193,946 77 321,689 60.3%
2026-07-24 437,649 156 697,721 62.7%
2026-07-23 262,373 400 380,821 68.9%
2026-07-22 134,883 54 263,046 51.3%
2026-07-21 189,478 0 303,250 62.5%
2026-07-20 285,159 731 489,981 58.2%
2026-07-17 531,351 0 632,591 84.0%
2026-07-16 289,543 9 423,811 68.3%
2026-07-15 227,831 24 394,212 57.8%
2026-07-14 197,812 0 349,308 56.6%
2026-07-13 306,167 0 584,864 52.3%
2026-07-10 587,042 397 851,529 68.9%
2026-07-09 333,449 438 459,035 72.6%
2026-07-08 323,968 1,682 638,756 50.7%
2026-07-07 588,709 400 767,760 76.7%
2026-07-06 354,039 1,312 598,712 59.1%
2026-07-02 676,344 5 765,284 88.4%
2026-07-01 289,580 130 400,427 72.3%
2026-06-30 444,810 1,463 571,248 77.9%
2026-06-29 471,311 12 653,772 72.1%
2026-06-26 576,376 338 824,527 69.9%
Showing 1–50 of 63 days