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Union Pacific Corp. short interest

27.9M shares of Union Pacific were sold short at the 15 October 2026 settlement, near the top of its range over the last year (18.3M to 29.7M). Short sellers would need 12.9 days of normal trading to buy them back.

Shares sold short27.9Mat 15 Oct 2026
Change on the settlement before+0.5%+52% over a year
Days to cover12.90at 2.2M shares a day
Of shares in issue4.70%shares short over shares outstanding
New to this? How to read this page
  1. Short interest is the number of shares investors have borrowed and sold, betting the price will fall, and not yet bought back.
  2. Days to cover is shares short over an average day's trading: how many days it would take short sellers to buy them all back. Above 5 or so is high.
  3. Rising short interest says more investors are betting against the stock. A crowded short can also rise fast if shorts rush to buy back.
  4. Brokers report it twice a month to FINRA, about ten days after each settlement date.
  5. What is short interest?

Short interest, days to cover and the price

Short interest is near the top of its range over the last year (18.3M to 29.7M), and the share price moved +29% over the last year.

Shares sold shortDays to coverShare price

Three charts on one timeline. Top: shares sold short at each settlement. Middle: days to cover, taller meaning shorts would need longer to buy back. Bottom: the share price, so you can see whether shorts added as the price fell or rose. Counts before a split are restated to today's shares, the way the price is.

How it compares

every company on the site

    The bar ranks every company on the site from the lowest on the left to the highest on the right, in three equal thirds; the small figures under it are the values where each third starts, and the black tick is the middle company. The orange dot is this company; the grey ticks are the other companies in its industry (hover or tap for names). A hatched block is companies tied at none.

    Every settlement since 29 Dec 2017 as a table
    SettlementShares shortChangeAverage daily volumeDays to cover
    15 October 202627.9M+0.5%2.2M12.90
    30 September 202627.8M+1.2%2.9M9.43
    15 September 202627.4M-1.1%1.9M14.38
    31 August 202627.7M+6.9%2.6M10.75
    14 August 202625.9M-1.3%2.2M11.74
    31 July 202626.3M-6.9%3.8M6.86
    15 July 202628.2M-0.9%2.3M12.49
    30 June 202628.5M-3.3%3.1M9.34
    15 June 202629.5M-0.7%2.5M11.71
    29 May 202629.7M+2.5%3.8M7.84
    15 May 202628.9M-1.5%2.4M11.90
    30 April 202629.4M+10.7%3.7M7.88
    15 April 202626.5M-5.9%2.5M10.76
    31 March 202628.2M+6.3%3.0M9.46
    13 March 202626.5M-4.8%2.9M9.26
    27 February 202627.9M-0.9%3.3M8.51
    13 February 202628.1M+5.9%4.7M5.96
    30 January 202626.5M+5.0%4.1M6.42
    15 January 202625.3M+1.8%2.8M9.15
    31 December 202524.8M+2.1%2.2M11.30
    15 December 202524.3M+9.0%3.5M7.01
    28 November 202522.3M+7.2%3.2M6.87
    14 November 202520.8M+4.5%3.0M6.83
    31 October 202519.9M+8.6%3.4M5.78
    15 October 202518.3M+6.6%3.0M6.14
    30 September 202517.2M+18.7%5.6M3.09
    15 September 202514.5M+25.2%4.5M3.26
    29 August 202511.6M+9.7%4.6M2.52
    15 August 202510.6M+16.0%3.7M2.86
    31 July 20259.1M+54.6%6.8M1.34
    15 July 20255.9M-2.2%2.4M2.49
    30 June 20256.0M-9.6%3.4M1.79
    13 June 20256.6M+11.1%3.3M1.99
    30 May 20256.0M-8.1%2.8M2.17
    15 May 20256.5M-19.5%3.1M2.10
    30 April 20258.1M+37.4%3.6M2.24
    15 April 20255.9M-3.4%4.2M1.39
    31 March 20256.1M-18.0%2.5M2.43
    14 March 20257.4M-2.9%2.6M2.90
    28 February 20257.7M+28.2%2.9M2.64
    14 February 20256.0M-4.4%2.5M2.43
    31 January 20256.2M+22.2%3.3M1.87
    15 January 20255.1M-5.3%2.4M2.14
    31 December 20245.4M-5.3%2.5M2.17
    13 December 20245.7M-0.5%2.9M1.95
    29 November 20245.7M+21.1%2.4M2.39
    15 November 20244.7M-5.8%2.7M1.74
    31 October 20245.0M+30.9%2.7M1.88
    15 October 20243.8M-9.9%1.9M1.98
    30 September 20244.3M-5.6%2.7M1.55
    13 September 20244.5M-7.1%2.3M1.95
    30 August 20244.8M+12.3%1.9M2.54
    15 August 20244.3M-1.0%2.0M2.20
    31 July 20244.4M-10.7%2.7M1.60
    15 July 20244.9M-3.1%1.7M2.83
    28 June 20245.0M-5.7%2.6M1.92
    14 June 20245.3M+26.4%2.3M2.35
    31 May 20244.2M-1.9%2.7M1.57
    15 May 20244.3M+3.6%1.7M2.54
    30 April 20244.2M-12.0%2.3M1.81
    15 April 20244.7M+5.2%2.1M2.28
    28 March 20244.5M-5.3%2.5M1.82
    15 March 20244.7M+15.6%2.2M2.19
    29 February 20244.1M-17.6%2.2M1.83
    15 February 20245.0M-0.0%2.3M2.18
    31 January 20245.0M+4.6%2.7M1.84
    12 January 20244.8M-37.8%2.3M2.09
    29 December 20237.7M+3.2%2.0M3.82
    15 December 20237.4M+12.2%3.1M2.40
    30 November 20236.6M+0.9%2.1M3.15
    15 November 20236.6M+7.3%2.2M3.02
    31 October 20236.1M-6.8%3.1M1.97
    13 October 20236.6M+0.6%2.0M3.31
    29 September 20236.5M+22.6%2.2M2.99
    15 September 20235.3M+16.7%2.8M1.89
    31 August 20234.6M-18.9%2.0M2.27
    15 August 20235.6M-1.0%2.5M2.25
    31 July 20235.7M+26.9%4.2M1.34
    14 July 20234.5M+12.7%2.0M2.28
    30 June 20234.0M-11.9%2.9M1.37
    15 June 20234.5M+8.9%2.5M1.80
    31 May 20234.1M-4.1%2.3M1.76
    15 May 20234.3M-4.9%1.9M2.30
    28 April 20234.5M-12.7%2.9M1.59
    14 April 20235.2M-11.6%2.7M1.93
    31 March 20235.9M+14.9%4.6M1.29
    15 March 20235.1M-29.6%3.4M1.51
    28 February 20237.3M+50.0%5.7M1.28
    15 February 20234.8M-3.1%2.6M1.84
    31 January 20235.0M-4.0%3.5M1.44
    13 January 20235.2M-9.2%2.0M2.55
    30 December 20225.7M+1.4%2.4M2.37
    15 December 20225.7M+2.1%2.7M2.11
    30 November 20225.5M-7.1%3.0M1.85
    15 November 20226.0M+4.8%4.3M1.38
    31 October 20225.7M-3.6%3.7M1.54
    14 October 20225.9M+11.9%2.8M2.07
    30 September 20225.3M-9.0%3.4M1.54
    15 September 20225.8M+15.2%2.9M2.00
    31 August 20225.0M-12.1%2.1M2.41
    15 August 20225.7M+0.8%2.1M2.70
    29 July 20225.7M+2.0%2.5M2.23
    15 July 20225.6M+2.4%2.3M2.40
    30 June 20225.4M-13.8%3.1M1.77
    15 June 20226.3M-3.0%2.6M2.44
    31 May 20226.5M-9.8%3.0M2.16
    13 May 20227.2M+16.1%3.0M2.37
    29 April 20226.2M-8.3%3.7M1.70
    14 April 20226.8M-17.2%4.3M1.56
    31 March 20228.2M-17.2%3.7M2.24
    15 March 20229.9M-2.9%4.9M2.04
    28 February 202210.2M+42.7%3.4M3.01
    15 February 20227.1M-10.5%2.9M2.48
    31 January 20228.0M-0.6%4.1M1.94
    14 January 20228.0M-7.2%2.7M2.92
    31 December 20218.6M+7.6%2.0M4.30
    15 December 20218.0M-3.3%2.6M3.04
    30 November 20218.3M+8.3%2.9M2.90
    15 November 20217.7M-8.2%2.0M3.79
    29 October 20218.3M+4.1%2.8M3.02
    15 October 20218.0M+14.8%3.1M2.59
    30 September 20217.0M-11.4%3.9M1.81
    15 September 20217.9M+32.6%3.8M2.07
    31 August 20215.9M-11.5%2.5M2.38
    13 August 20216.7M+25.2%2.2M3.03
    30 July 20215.4M+29.0%3.0M1.80
    15 July 20214.2M-22.9%3.2M1.28
    30 June 20215.4M-28.4%3.0M1.77
    15 June 20217.5M-15.0%2.2M3.46
    28 May 20218.9M+41.9%2.8M3.21
    14 May 20216.2M-7.7%2.0M3.20
    30 April 20216.8M-17.5%2.5M2.67
    15 April 20218.2M+13.4%1.8M4.63
    31 March 20217.2M-12.3%3.3M2.20
    15 March 20218.2M+64.9%2.6M3.16
    26 February 20215.0M-5.8%2.8M1.81
    12 February 20215.3M-1.3%2.0M2.62
    29 January 20215.4M-6.7%3.6M1.48
    15 January 20215.8M+5.7%2.3M2.55
    31 December 20205.5M-3.1%2.0M2.79
    15 December 20205.6M+15.1%2.4M2.32
    30 November 20204.9M+28.0%2.0M2.44
    13 November 20203.8M-16.0%3.3M1.16
    30 October 20204.5M+4.5%3.8M1.21
    15 October 20204.3M+13.0%2.3M1.93
    30 September 20203.8M-3.1%2.2M1.72
    15 September 20204.0M-10.7%2.4M1.64
    31 August 20204.4M-14.1%1.8M2.43
    14 August 20205.2M+9.2%2.4M2.19
    31 July 20204.7M+16.6%2.9M1.65
    15 July 20204.1M+8.1%2.5M1.64
    30 June 20203.8M-38.6%3.7M1.03
    15 June 20206.1M-4.9%3.5M1.76
    29 May 20206.4M-19.0%3.1M2.04
    15 May 20207.9M-8.1%2.5M3.17
    30 April 20208.6M+3.9%4.0M2.16
    15 April 20208.3M+0.8%3.8M2.20
    31 March 20208.2M-19.2%6.3M1.31
    13 March 202010.2M-8.8%6.0M1.70
    28 February 202011.2M+65.8%5.0M2.22
    14 February 20206.7M+1.0%1.9M3.47
    31 January 20206.7M+6.2%3.1M2.16
    15 January 20206.3M-8.7%2.6M2.44
    31 December 20196.9M+10.8%2.4M2.90
    13 December 20196.2M-7.0%2.4M2.59
    29 November 20196.7M+8.4%2.4M2.77
    15 November 20196.2M-9.7%2.6M2.36
    31 October 20196.8M+22.1%3.4M2.00
    15 October 20195.6M+11.2%4.1M1.38
    30 September 20195.0M-20.1%3.2M1.57
    13 September 20196.3M+12.1%3.0M2.11
    30 August 20195.6M-7.3%3.4M1.67
    15 August 20196.1M+5.3%2.8M2.16
    31 July 20195.8M+20.0%4.1M1.39
    15 July 20194.8M-16.1%2.2M2.22
    28 June 20195.7M-18.8%3.7M1.54
    14 June 20197.0M+2.1%2.8M2.53
    31 May 20196.9M+1.4%3.3M2.11
    15 May 20196.8M+1.7%2.9M2.31
    30 April 20196.7M-14.8%3.6M1.84
    15 April 20197.8M-16.9%2.8M2.78
    29 March 20199.4M-21.4%3.6M2.65
    15 March 201912.0M-2.4%4.2M2.84
    28 February 201912.3M+55.5%3.6M3.40
    15 February 20197.9M-2.4%3.7M2.16
    31 January 20198.1M-35.0%5.4M1.49
    15 January 201912.5M+16.4%5.2M2.38
    31 December 201810.7M-13.4%3.9M2.75
    14 December 201812.4M+20.1%4.8M2.60
    30 November 201810.3M-14.1%4.5M2.31
    15 November 201812.0M-5.3%4.0M2.99
    31 October 201812.6M+0.6%6.4M1.96
    15 October 201812.6M-15.2%4.4M2.88
    28 September 201814.8M-11.8%6.0M2.47
    14 September 201816.8M-12.2%4.3M3.88
    31 August 201819.2M-4.2%3.0M6.30
    15 August 201820.0M-7.0%2.6M7.69
    31 July 201821.5M-9.4%4.7M4.58
    13 July 201823.7M-6.7%3.1M7.55
    29 June 201825.4M-20.4%3.4M7.47
    15 June 201831.9M+109.6%4.4M7.34
    31 May 201815.2M+28.0%3.1M4.86
    15 May 201811.9M+16.8%3.3M3.61
    30 April 201810.2M-3.3%4.4M2.34
    13 April 201810.5M-3.7%4.2M2.50
    29 March 201810.9M-30.8%4.5M2.41
    15 March 201815.8M-26.0%4.5M3.51
    28 February 201821.4M+11.1%4.8M4.43
    15 February 201819.2M+58.9%6.8M2.85
    31 January 201812.1M-11.6%5.7M2.11
    12 January 201813.7M+4.2%5.2M2.65
    29 December 201713.2M4.3M3.05
    Shares in millions (M) or thousands (K); hold the pointer on a figure for the exact count. Counts before a split are restated to today's shares. FINRA publishes consolidated short interest twice a month, about ten days after each settlement.