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Stock research / United States / CLNE / Short interest

Clean Energy Fuels Corp. short interest

5.8M shares of Clean Energy Fuels were sold short at the 15 October 2026 settlement, near the bottom of its range over the last year (5.1M to 8.3M). Short sellers would need 5.0 days of normal trading to buy them back.

Shares sold short5.8Mat 15 Oct 2026
Change on the settlement before+0.8%-25% over a year
Days to cover5.01at 1.2M shares a day
Of shares in issue2.64%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 bottom of its range over the last year (5.1M to 8.3M), and the share price moved -51% 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.

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 20265.8M+0.8%1.2M5.01
    30 September 20265.8M-25.9%1.8M3.16
    15 September 20267.8M+1.4%1.8M4.35
    31 August 20267.7M+12.7%1.8M4.38
    14 August 20266.8M-6.5%2.4M2.84
    31 July 20267.3M-5.8%1.3M5.62
    15 July 20267.7M-0.2%2.0M3.82
    30 June 20267.8M+11.3%2.1M3.72
    15 June 20267.0M+4.1%1.2M5.84
    29 May 20266.7M+9.4%1.2M5.55
    15 May 20266.1M+7.7%1.5M4.10
    30 April 20265.7M-1.1%1.2M4.57
    15 April 20265.7M+6.9%1.2M4.69
    31 March 20265.4M-2.0%1.8M2.99
    13 March 20265.5M+8.0%1.2M4.67
    27 February 20265.1M-1.5%985K5.15
    13 February 20265.2M-11.4%1.6M3.27
    30 January 20265.8M-9.6%1.1M5.28
    15 January 20266.4M+7.4%975K6.60
    31 December 20256.0M-17.5%1.2M5.17
    15 December 20257.3M-11.7%1.0M7.14
    28 November 20258.2M-1.5%1.2M6.63
    14 November 20258.3M+5.0%1.7M4.94
    31 October 20257.9M+2.2%1.3M6.17
    15 October 20257.8M-4.9%1.4M5.55
    30 September 20258.2M-10.6%1.6M5.08
    15 September 20259.1M+10.5%1.1M8.16
    29 August 20258.3M+4.1%1.6M5.19
    15 August 20258.0M-5.4%2.4M3.26
    31 July 20258.4M-6.9%1.4M5.83
    15 July 20259.0M+1.9%2.5M3.67
    30 June 20258.9M-7.1%3.0M2.92
    13 June 20259.5M-14.5%2.5M3.77
    30 May 202511.2M-1.3%3.0M3.77
    15 May 202511.3M-1.7%3.6M3.15
    30 April 202511.5M+1.3%1.7M6.86
    15 April 202511.4M+2.9%3.0M3.82
    31 March 202511.0M+15.1%2.5M4.36
    14 March 20259.6M-7.5%2.5M3.79
    28 February 202510.4M+7.0%4.4M2.37
    14 February 20259.7M-4.4%2.4M3.99
    31 January 202510.1M-3.5%2.6M3.89
    15 January 202510.5M-0.9%3.0M3.49
    31 December 202410.6M-2.0%1.9M5.53
    13 December 202410.8M-5.3%2.0M5.36
    29 November 202411.4M-0.1%1.8M6.36
    15 November 202411.4M-1.7%2.4M4.77
    31 October 202411.6M-3.4%1.1M10.91
    15 October 202412.0M-2.2%1.0M11.55
    30 September 202412.3M-4.3%1.3M9.13
    13 September 202412.9M+3.0%1.3M9.61
    30 August 202412.5M+4.5%1.1M11.32
    15 August 202411.9M-6.1%2.0M6.06
    31 July 202412.7M-8.9%1.6M8.20
    15 July 202414.0M-0.7%1.7M8.05
    28 June 202414.1M-7.2%2.0M7.06
    14 June 202415.2M+6.5%1.4M10.86
    31 May 202414.2M+0.7%1.8M8.12
    15 May 202414.1M+2.0%1.7M8.08
    30 April 202413.9M-1.5%1.4M10.14
    15 April 202414.1M+1.7%1.7M8.16
    28 March 202413.8M-0.1%1.9M7.47
    15 March 202413.9M+5.3%1.8M7.65
    29 February 202413.2M+4.8%1.8M7.42
    15 February 202412.6M+7.1%1.5M8.22
    31 January 202411.7M+0.2%1.6M7.45
    12 January 202411.7M-5.8%1.2M9.44
    29 December 202312.4M+5.1%1.7M7.28
    15 December 202311.8M+0.1%2.5M4.71
    30 November 202311.8M-0.0%1.5M7.96
    15 November 202311.8M+0.7%2.1M5.71
    31 October 202311.7M-4.2%1.7M7.04
    13 October 202312.2M+0.7%2.1M5.74
    29 September 202312.2M-2.1%1.8M6.67
    15 September 202312.4M+4.7%2.0M6.22
    31 August 202311.9M+6.4%1.3M9.12
    15 August 202311.1M+7.0%1.5M7.27
    31 July 202310.4M-7.5%1.3M8.15
    14 July 202311.3M-7.1%1.6M6.90
    30 June 202312.1M+2.4%2.1M5.83
    15 June 202311.8M+0.7%2.0M5.80
    31 May 202311.8M+4.4%1.6M7.36
    15 May 202311.3M-9.2%1.8M6.15
    28 April 202312.4M+9.8%1.4M8.88
    14 April 202311.3M-6.3%1.7M6.49
    31 March 202312.1M-4.7%2.3M5.20
    15 March 202312.7M+17.3%3.7M3.44
    28 February 202310.8M+3.0%2.4M4.59
    15 February 202310.5M-6.4%2.0M5.22
    31 January 202311.2M+3.2%1.8M6.08
    13 January 202310.8M-6.8%1.7M6.21
    30 December 202211.6M-5.2%2.1M5.65
    15 December 202212.3M+9.4%2.1M5.84
    30 November 202211.2M-7.2%2.0M5.73
    15 November 202212.1M-1.0%2.9M4.17
    31 October 202212.2M-8.2%3.6M3.37
    14 October 202213.3M+3.7%2.7M5.01
    30 September 202212.8M-9.4%2.8M4.53
    15 September 202214.2M+6.2%2.7M5.30
    31 August 202213.3M-7.4%2.6M5.16
    15 August 202214.4M-4.4%3.8M3.82
    29 July 202215.1M+13.6%2.6M5.72
    15 July 202213.3M-8.4%3.0M4.36
    30 June 202214.5M+11.5%6.6M2.21
    15 June 202213.0M+0.0%3.8M3.45
    31 May 202213.0M-13.3%2.5M5.21
    13 May 202215.0M+7.6%4.4M3.38
    29 April 202213.9M+9.7%2.1M6.76
    14 April 202212.7M+4.4%2.4M5.39
    31 March 202212.1M-21.1%3.5M3.48
    15 March 202215.4M-7.8%4.5M3.44
    28 February 202216.7M-4.3%3.3M5.03
    15 February 202217.4M+6.2%3.3M5.32
    31 January 202216.4M+11.7%5.6M2.92
    14 January 202214.7M+1.8%3.1M4.77
    31 December 202114.4M-6.2%3.6M4.04
    15 December 202115.4M+4.7%3.7M4.20
    30 November 202114.7M+2.4%3.5M4.18
    15 November 202114.4M-3.5%4.0M3.62
    29 October 202114.9M-5.7%3.1M4.86
    15 October 202115.8M+3.9%3.7M4.28
    30 September 202115.2M+23.8%5.8M2.60
    15 September 202112.3M-1.1%4.1M2.99
    31 August 202112.4M-5.2%5.4M2.30
    13 August 202113.1M-7.2%6.5M2.02
    30 July 202114.1M-10.5%6.2M2.27
    15 July 202115.8M-6.9%8.5M1.85
    30 June 202116.9M+18.9%26.4M1.00
    15 June 202114.2M+64.1%43.7M1.00
    28 May 20218.7M-18.7%4.4M1.95
    14 May 202110.7M-8.2%4.8M2.22
    30 April 202111.6M+23.1%12.1M1.00
    15 April 20219.4M-9.7%3.5M2.69
    31 March 202110.5M+34.3%5.8M1.79
    15 March 20217.8M+62.2%6.5M1.19
    26 February 20214.8M-27.3%6.6M1.00
    12 February 20216.6M-13.0%10.9M1.00
    29 January 20217.6M-7.4%8.2M1.00
    15 January 20218.2M+18.5%11.3M1.00
    31 December 20206.9M+120.0%14.4M1.00
    15 December 20203.1M+17.2%2.8M1.11
    30 November 20202.7M+6.2%4.3M1.00
    13 November 20202.5M-3.9%1.7M1.53
    30 October 20202.6M-6.3%600K4.38
    15 October 20202.8M+2.6%792K3.54
    30 September 20202.7M-13.6%1.5M1.81
    15 September 20203.2M+5.6%1.5M2.08
    31 August 20203.0M+7.1%1.5M2.06
    14 August 20202.8M-22.9%2.4M1.17
    31 July 20203.6M+27.4%1.6M2.29
    15 July 20202.9M+85.7%10.8M1.00
    30 June 20201.5M+62.8%881K1.74
    15 June 2020943K-15.1%892K1.06
    29 May 20201.1M-8.0%693K1.60
    15 May 20201.2M-9.9%835K1.45
    30 April 20201.3M-20.7%893K1.50
    15 April 20201.7M+7.6%925K1.83
    31 March 20201.6M-19.6%1.5M1.07
    13 March 20202.0M+15.7%1.8M1.11
    28 February 20201.7M+11.2%1.0M1.66
    14 February 20201.5M+3.6%812K1.87
    31 January 20201.5M-13.3%570K2.57
    15 January 20201.7M+9.5%1.0M1.65
    31 December 20191.5M-0.1%1.1M1.39
    13 December 20191.5M+10.0%500K3.10
    29 November 20191.4M-6.8%674K2.09
    15 November 20191.5M-15.3%671K2.25
    31 October 20191.8M-21.5%449K3.97
    15 October 20192.3M-16.6%543K4.18
    30 September 20192.7M-10.4%870K3.13
    13 September 20193.0M+23.1%634K4.80
    30 August 20192.5M-11.2%709K3.48
    15 August 20192.8M+8.8%1.1M2.53
    31 July 20192.6M-3.6%592K4.32
    15 July 20192.7M-13.7%687K3.86
    28 June 20193.1M+15.8%657K4.67
    14 June 20192.7M+12.6%719K3.69
    31 May 20192.4M-12.6%1.0M2.29
    15 May 20192.7M+18.1%1.0M2.61
    30 April 20192.3M-15.8%957K2.39
    15 April 20192.7M+2.1%1.0M2.69
    29 March 20192.7M-10.3%1.4M1.92
    15 March 20193.0M-2.3%1.8M1.65
    28 February 20193.0M+1.3%706K4.29
    15 February 20193.0M-9.8%405K7.39
    31 January 20193.3M-8.5%410K8.10
    15 January 20193.6M-9.1%597K6.07
    31 December 20184.0M-13.6%1.2M3.33
    14 December 20184.6M-6.2%981K4.70
    30 November 20184.9M+1.1%888K5.54
    15 November 20184.9M-2.3%944K5.15
    31 October 20185.0M+8.0%719K6.93
    15 October 20184.6M-2.7%886K5.20
    28 September 20184.7M+33.0%1.2M4.05
    14 September 20183.6M+11.3%852K4.18
    31 August 20183.2M+6.9%1.1M2.88
    15 August 20183.0M-5.5%1.5M1.98
    31 July 20183.2M+2.6%1.3M2.43
    13 July 20183.1M-10.7%2.6M1.19
    29 June 20183.5M-1.3%3.1M1.10
    15 June 20183.5M-10.5%2.3M1.55
    31 May 20183.9M+0.6%3.5M1.12
    15 May 20183.9M-7.6%1.9M2.08
    30 April 20184.2M-6.3%489K8.60
    13 April 20184.5M-6.5%761K5.90
    29 March 20184.8M-24.9%1.7M2.79
    15 March 20186.4M+8.3%1.3M4.75
    28 February 20185.9M+6.8%871K6.78
    15 February 20185.5M+22.6%1.2M4.63
    31 January 20184.5M+9.4%1.9M2.32
    12 January 20184.1M-0.4%941K4.38
    29 December 20174.1M1.4M3.05
    Shares in millions (M) or thousands (K); hold the pointer on a figure for the exact count. FINRA publishes consolidated short interest twice a month, about ten days after each settlement.