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CNI · Canadian National Railway Co · Short Volume

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$122.05 +0.80 (+0.66%) At close · Oct 21
Rebalance outlook locked
Market Cap
$73.73B
Shares
604.10M
Volume · Oct 21 944.03K Avg daily vol (3M) 1.3M

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.

Pull daily short volume through the short interest API or MCP →
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    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-10-21 151,107 79 324,195 46.6%
    2026-10-20 142,273 24 217,928 65.3%
    2026-10-19 242,314 0 354,000 68.5%
    2026-10-16 201,633 0 282,892 71.3%
    2026-10-15 240,022 0 376,975 63.7%
    2026-10-14 175,745 14 222,436 79.0%
    2026-10-13 200,961 169 254,165 79.1%
    2026-10-12 170,268 4 206,232 82.6%
    2026-10-09 197,420 0 272,196 72.5%
    2026-10-08 165,222 28 237,667 69.5%
    2026-10-07 197,691 9 304,795 64.9%
    2026-10-06 262,442 30 357,401 73.4%
    2026-10-05 293,411 2,959 362,021 81.0%
    2026-10-02 208,401 1 278,373 74.9%
    2026-10-01 250,186 127 324,540 77.1%
    2026-09-30 289,764 0 365,406 79.3%
    2026-09-29 225,465 0 288,973 78.0%
    2026-09-28 350,528 0 651,166 53.8%
    2026-09-25 412,330 137 590,044 69.9%
    2026-09-24 249,208 453 494,724 50.4%
    2026-09-23 237,838 8 387,054 61.4%
    2026-09-22 177,739 3,554 403,896 44.0%
    2026-09-21 231,845 94 386,332 60.0%
    2026-09-18 170,917 0 223,286 76.5%
    2026-09-17 357,891 29 502,487 71.2%
    2026-09-16 426,246 76 564,562 75.5%
    2026-09-15 146,626 0 203,733 72.0%
    2026-09-14 174,860 26 234,223 74.7%
    2026-09-11 205,931 924 290,003 71.0%
    2026-09-10 190,581 94 334,462 57.0%
    2026-09-09 242,974 3,009 367,457 66.1%
    2026-09-08 144,724 1,042 284,326 50.9%
    2026-09-04 4,849,754 0 4,936,387 98.2%
    2026-09-03 290,247 3 443,015 65.5%
    2026-09-02 223,488 490 324,494 68.9%
    2026-09-01 207,144 629 385,713 53.7%
    2026-08-31 190,497 322 364,692 52.2%
    2026-08-28 125,005 0 265,793 47.0%
    2026-08-27 128,084 70 285,710 44.8%
    2026-08-26 115,160 1,264 298,516 38.6%
    2026-08-25 130,140 20 226,194 57.5%
    2026-08-24 199,380 751 408,614 48.8%
    2026-08-21 242,575 0 407,375 59.5%
    2026-08-20 249,862 1 348,197 71.8%
    2026-08-19 349,236 1,220 415,733 84.0%
    2026-08-18 205,800 872 330,715 62.2%
    2026-08-17 112,124 0 200,347 56.0%
    2026-08-14 125,349 0 202,407 61.9%
    2026-08-13 177,260 0 288,576 61.4%
    2026-08-12 162,388 29,847 322,287 50.4%
    Showing 1–50 of 65 days
    Key facts CIK 16868 CUSIP 136375102 13F (30d) 160 filings 148 filers Visit website Investor relations