UNP
Union Pacific Corp.
stockNYSE
At CloseOct 22, 2026 3:59:58 PM EDT
298.17USD+3.578%(+10.30)4,978,429
Pre-marketOct 22, 2026 9:11:30 AM EDT
279.53USD-2.897%(-8.34)
As of 2026-09-30, there were 27,763,071 shares short with a short interest of 4.68%.
UNP Short Interest - Official
UNP Short Position Change - Official
UNP Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 4.68 | 27,763,071 | 9.43 | +332,469 | +1.21 | 594,075,498 | 592,768,532 |
| 2026-09-15 | 4.63 | 27,430,602 | 14.38 | -309,771 | -1.12 | 594,075,498 | 592,768,532 |
| 2026-08-31 | 4.68 | 27,740,373 | 10.75 | +1,796,156 | +6.92 | 594,075,498 | 592,768,532 |
| 2026-08-14 | 4.38 | 25,944,217 | 11.74 | -337,070 | -1.28 | 594,075,498 | 592,768,532 |
| 2026-07-31 | 4.43 | 26,281,287 | 6.86 | -1,952,071 | -6.91 | 594,075,498 | 592,768,532 |
| 2026-07-15 | 4.77 | 28,233,358 | 12.49 | -250,799 | -0.88 | 593,713,213 | 592,406,831 |
| 2026-06-30 | 4.81 | 28,484,157 | 9.34 | -974,804 | -3.31 | 593,713,213 | 592,409,206 |
| 2026-06-15 | 4.97 | 29,458,961 | 11.71 | +542,407 | +1.88 | 593,713,213 | 592,412,981 |
| 2026-05-15 | 4.88 | 28,916,554 | 11.90 | -450,540 | -1.53 | 593,713,213 | 592,418,918 |
| 2026-04-30 | 4.96 | 29,367,094 | 7.88 | +2,830,385 | +10.67 | 593,713,213 | 591,962,704 |
| 2026-04-15 | 4.48 | 26,536,709 | 10.76 | -1,667,218 | -5.91 | 593,678,300 | 591,962,704 |
| 2026-03-31 | 4.76 | 28,203,927 | 9.46 | +1,683,282 | +6.35 | 593,678,300 | 591,962,704 |
| 2026-03-13 | 4.48 | 26,520,645 | 9.26 | -1,336,828 | -4.80 | 593,391,460 | 591,962,704 |
| 2026-02-27 | 4.71 | 27,857,473 | 8.51 | -251,837 | -0.90 | 593,391,460 | 591,962,704 |
| 2026-02-13 | 4.75 | 28,109,310 | 5.96 | +1,565,559 | +5.90 | 593,391,460 | 591,962,704 |
| 2026-01-30 | 4.48 | 26,543,751 | 6.42 | +1,268,181 | +5.02 | 593,160,889 | 591,962,704 |
| 2026-01-15 | 4.27 | 25,275,570 | 9.15 | +454,909 | +1.83 | 593,160,889 | 591,962,704 |
| 2025-12-31 | 4.19 | 24,820,661 | 11.30 | +504,676 | +2.08 | 593,160,889 | 591,962,704 |
| 2025-12-15 | 4.11 | 24,315,985 | 7.01 | +2,007,597 | +9.00 | 593,160,889 | 591,369,543 |
| 2025-11-28 | 3.77 | 22,308,388 | 6.87 | +1,498,508 | +7.20 | 593,160,889 | 591,369,543 |
| 2025-11-14 | 3.52 | 20,809,880 | 6.83 | +895,661 | +4.50 | 593,160,889 | 591,357,680 |
| 2025-10-31 | 3.37 | 19,914,219 | 5.78 | +1,575,725 | +8.59 | 593,160,889 | 591,357,680 |
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.