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FISN · Deep Fission, Inc. · Short Volume

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$5.57 +0.39 (+7.53%) At close · Oct 2
Market Cap
$368.16M
Shares
58.91M
Volume · Oct 2 520.78K Avg daily vol (3M) 269.7K

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 %
2026-10-02 158,286 130 292,726 54.1%
2026-10-01 100,883 0 144,558 69.8%
2026-09-30 71,402 0 123,249 57.9%
2026-09-29 148,015 14,412 198,725 74.5%
2026-09-28 263,657 19,904 323,478 81.5%
2026-09-25 166,337 17,806 221,070 75.2%
2026-09-24 257,191 13,339 332,526 77.3%
2026-09-23 81,863 2,003 161,613 50.7%
2026-09-22 141,297 100 242,285 58.3%
2026-09-21 112,567 123 165,259 68.1%
2026-09-18 151,189 153 238,195 63.5%
2026-09-17 114,553 0 181,739 63.0%
2026-09-16 39,946 0 100,888 39.6%
2026-09-15 32,061 0 63,779 50.3%
2026-09-14 65,373 0 103,133 63.4%
2026-09-11 55,770 0 93,553 59.6%
2026-09-10 50,215 488 86,215 58.2%
2026-09-09 37,206 80 76,186 48.8%
2026-09-08 89,344 22 136,895 65.3%
2026-09-04 64,277 0 93,387 68.8%
2026-09-03 49,190 0 101,887 48.3%
2026-09-02 146,501 0 181,690 80.6%
2026-09-01 121,516 6,388 170,745 71.2%
2026-08-31 57,397 0 81,278 70.6%
2026-08-28 60,007 0 103,901 57.8%
2026-08-27 49,798 0 77,101 64.6%
2026-08-26 46,116 0 80,889 57.0%
2026-08-25 68,635 8,397 117,357 58.5%
2026-08-24 109,899 9,268 135,988 80.8%
2026-08-21 52,666 0 78,384 67.2%
2026-08-20 29,289 0 55,016 53.2%
2026-08-19 65,518 0 104,138 62.9%
2026-08-18 72,426 0 102,158 70.9%
2026-08-17 60,328 0 78,651 76.7%
2026-08-14 72,265 0 91,194 79.2%
2026-08-13 89,238 0 110,904 80.5%
2026-08-12 63,254 0 79,827 79.2%
2026-08-11 62,686 3,053 80,994 77.4%
2026-08-10 105,196 7,593 172,885 60.8%
2026-08-07 49,475 0 72,547 68.2%
2026-08-06 61,111 0 101,272 60.3%
2026-08-05 66,750 4,962 162,166 41.2%
2026-08-04 71,236 5,760 94,336 75.5%
2026-08-03 40,135 0 67,200 59.7%
2026-07-31 19,237 0 29,289 65.7%
2026-07-30 21,719 0 41,037 52.9%
2026-07-29 33,700 351 67,945 49.6%
2026-07-28 29,206 48 97,918 29.8%
2026-07-27 30,942 0 80,490 38.4%
2026-07-24 8,879 176 26,003 34.1%
Showing 1–50 of 64 days
Key facts CIK 1918102 CUSIP 243927100 Visit website Investor relations