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Alphatec Holdings, Inc. short interest

13.3M shares of Alphatec Holdings were sold short at the 15 October 2026 settlement, the fewest since 15 Jun 2026. Short sellers would need 5.9 days of normal trading to buy them back.

Shares sold short13.3Mat 15 Oct 2026
Change on the settlement before-5.6%-11% over a year
Days to cover5.86at 2.3M shares a day
Of shares in issue8.60%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 the fewest since 15 Jun 2026, and the share price moved -22% 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 202613.3M-5.6%2.3M5.86
    30 September 202614.1M-2.5%2.0M6.97
    15 September 202614.4M+5.5%2.6M5.50
    31 August 202613.7M+0.3%1.5M9.40
    14 August 202613.6M-1.1%2.8M4.81
    31 July 202613.8M+0.3%1.9M7.25
    15 July 202613.7M-5.9%2.4M5.73
    30 June 202614.6M+18.3%4.1M3.60
    15 June 202612.4M+3.0%2.4M5.09
    29 May 202612.0M-15.3%2.5M4.73
    15 May 202614.2M+18.9%6.6M2.16
    30 April 202611.9M-15.2%2.9M4.13
    15 April 202614.0M-6.0%2.2M6.48
    31 March 202614.9M-2.4%2.2M6.95
    13 March 202615.3M+11.5%2.6M6.01
    27 February 202613.7M-3.9%2.6M5.26
    13 February 202614.3M-1.5%2.8M5.19
    30 January 202614.5M-12.4%3.1M4.63
    15 January 202616.6M-3.8%4.8M3.46
    31 December 202517.2M+16.5%1.7M9.96
    15 December 202514.8M+8.2%2.2M6.63
    28 November 202513.7M-0.4%1.9M7.22
    14 November 202513.7M+2.7%2.8M4.91
    31 October 202513.4M-10.6%3.1M4.35
    15 October 202515.0M+18.3%1.9M7.77
    30 September 202512.6M+2.5%1.6M7.85
    15 September 202512.3M-2.9%2.1M5.96
    29 August 202512.7M+2.6%2.0M6.46
    15 August 202512.4M-2.5%4.3M2.87
    31 July 202512.7M-2.8%1.5M8.39
    15 July 202513.0M-2.7%1.4M9.35
    30 June 202513.4M+1.3%1.8M7.61
    13 June 202513.2M+2.9%1.7M7.84
    30 May 202512.9M-8.4%1.5M8.70
    15 May 202514.0M+6.1%2.1M6.69
    30 April 202513.2M+0.3%1.7M7.80
    15 April 202513.2M+21.8%2.7M4.85
    31 March 202510.8M+1.8%1.5M7.19
    14 March 202510.6M+8.4%3.5M3.05
    28 February 20259.8M-4.1%2.2M4.49
    14 February 202510.2M-1.4%1.2M8.49
    31 January 202510.4M-4.4%1.7M6.10
    15 January 202510.9M+0.9%2.0M5.36
    31 December 202410.8M-1.9%1.1M9.46
    13 December 202411.0M-4.0%1.4M7.90
    29 November 202411.4M+7.8%1.5M7.55
    15 November 202410.6M-10.3%2.5M4.26
    31 October 202411.8M-1.9%3.0M3.97
    15 October 202412.0M-3.3%2.0M6.02
    30 September 202412.5M+4.4%1.7M7.23
    13 September 202411.9M+2.5%1.9M6.15
    30 August 202411.6M-8.1%2.7M4.27
    15 August 202412.7M-1.5%4.3M2.94
    31 July 202412.9M-1.2%1.5M8.47
    15 July 202413.0M+0.1%1.2M11.05
    28 June 202413.0M+4.6%1.7M7.74
    14 June 202412.4M+6.3%1.4M9.07
    31 May 202411.7M+3.2%1.2M9.42
    15 May 202411.4M-6.7%2.4M4.69
    30 April 202412.2M+0.6%1.4M8.91
    15 April 202412.1M-2.2%1.4M8.60
    28 March 202412.4M+12.2%2.2M5.49
    15 March 202411.0M-2.4%1.8M6.02
    29 February 202411.3M+1.0%2.0M5.71
    15 February 202411.2M-1.1%1.3M8.60
    31 January 202411.3M-0.3%1.3M8.66
    12 January 202411.4M+2.3%1.4M7.92
    29 December 202311.1M-7.3%1.8M6.34
    15 December 202312.0M+9.2%2.0M5.90
    30 November 202311.0M-6.6%1.7M6.58
    15 November 202311.7M+1.3%2.5M4.76
    31 October 202311.6M+40.5%3.5M3.32
    13 October 20238.3M+5.2%1.5M5.50
    29 September 20237.8M+17.0%1.2M6.46
    15 September 20236.7M+5.6%990K6.77
    31 August 20236.3M-1.0%1.0M6.23
    15 August 20236.4M-1.2%1.5M4.41
    31 July 20236.5M-12.4%922K7.03
    14 July 20237.4M-12.0%1.2M5.97
    30 June 20238.4M+9.2%1.9M4.32
    15 June 20237.7M+0.0%1.0M7.62
    31 May 20237.7M-0.3%952K8.10
    15 May 20237.7M-0.6%1.3M5.81
    28 April 20237.8M+14.5%1.2M6.29
    14 April 20236.8M-1.2%641K10.61
    31 March 20236.9M+2.6%851K8.09
    15 March 20236.7M+9.4%1.3M5.01
    28 February 20236.1M-1.5%902K6.79
    15 February 20236.2M-8.4%837K7.43
    31 January 20236.8M-7.4%814K8.35
    13 January 20237.3M+12.1%1.3M5.79
    30 December 20226.5M+1.2%778K8.42
    15 December 20226.5M+18.5%958K6.75
    30 November 20225.5M+2.6%827K6.59
    15 November 20225.3M-6.2%719K7.39
    31 October 20225.7M-12.6%642K8.83
    14 October 20226.5M+9.5%968K6.69
    30 September 20225.9M+10.1%787K7.53
    15 September 20225.4M+0.5%567K9.49
    31 August 20225.4M-4.1%467K11.46
    15 August 20225.6M-4.1%804K6.94
    29 July 20225.8M+1.6%464K12.54
    15 July 20225.7M+19.9%615K9.32
    30 June 20224.8M-10.2%675K7.08
    15 June 20225.3M-4.6%961K5.53
    31 May 20225.6M+1.7%854K6.52
    13 May 20225.5M+9.3%936K5.86
    29 April 20225.0M-6.2%627K8.00
    14 April 20225.3M-1.7%994K5.38
    31 March 20225.4M-4.8%401K13.56
    15 March 20225.7M+0.5%565K10.12
    28 February 20225.7M-3.2%477K11.93
    15 February 20225.9M+2.0%443K13.25
    31 January 20225.8M+13.8%792K7.27
    14 January 20225.1M-7.6%906K5.58
    31 December 20215.5M+0.2%1.2M4.74
    15 December 20215.5M+10.6%898K6.09
    30 November 20214.9M-5.1%1.3M3.71
    15 November 20215.2M-20.1%994K5.24
    29 October 20216.5M+4.2%595K10.97
    15 October 20216.3M-0.3%848K7.39
    30 September 20216.3M+11.0%1.0M6.19
    15 September 20215.7M+0.7%1.1M5.21
    31 August 20215.6M+9.3%956K5.88
    13 August 20215.1M+117.0%1.9M2.75
    30 July 20212.4M+5.1%353K6.71
    15 July 20212.3M-11.0%612K3.68
    30 June 20212.5M+15.6%591K4.28
    15 June 20212.2M-2.7%393K5.58
    28 May 20212.3M+7.9%357K6.30
    14 May 20212.1M+2.6%623K3.35
    30 April 20212.0M-0.2%319K6.38
    15 April 20212.0M+0.1%524K3.89
    31 March 20212.0M+2.2%893K2.28
    15 March 20212.0M-41.0%757K2.63
    26 February 20213.4M-2.5%418K8.07
    12 February 20213.5M-0.5%435K7.96
    29 January 20213.5M-1.7%584K5.96
    15 January 20213.5M-11.5%692K5.12
    31 December 20204.0M+15.6%1.1M3.60
    15 December 20203.5M+0.5%746K4.64
    30 November 20203.4M+14.5%954K3.61
    13 November 20203.0M-0.4%801K3.76
    30 October 20203.0M-8.9%1.2M2.56
    15 October 20203.3M+13.5%2.5M1.33
    30 September 20202.9M+2.4%502K5.82
    15 September 20202.9M-5.7%264K10.82
    31 August 20203.0M-1.6%203K14.94
    14 August 20203.1M-9.7%469K6.55
    31 July 20203.4M-4.1%224K15.21
    15 July 20203.5M-0.1%319K11.12
    30 June 20203.5M+12.9%433K8.20
    15 June 20203.1M+0.7%377K8.33
    29 May 20203.1M+2.1%251K12.45
    15 May 20203.1M+3.3%367K8.34
    30 April 20203.0M-2.4%543K5.45
    15 April 20203.0M-8.6%526K5.76
    31 March 20203.3M+7.0%1.1M2.96
    13 March 20203.1M+2.8%800K3.88
    28 February 20203.0M-4.9%383K7.87
    14 February 20203.2M-14.2%262K12.10
    31 January 20203.7M-0.1%544K6.80
    15 January 20203.7M+7.0%321K11.56
    31 December 20193.5M+4.4%281K12.32
    13 December 20193.3M+15.1%268K12.39
    29 November 20192.9M-2.5%311K9.26
    15 November 20193.0M-14.1%430K6.87
    31 October 20193.4M+2.7%417K8.24
    15 October 20193.3M+2.2%277K12.07
    30 September 20193.3M+3.5%441K7.44
    13 September 20193.2M-4.3%262K12.10
    30 August 20193.3M-8.7%467K7.09
    15 August 20193.6M+21.2%788K4.60
    31 July 20193.0M+12.3%686K4.36
    15 July 20192.7M+50.4%263K10.14
    28 June 20191.8M+14.2%508K3.48
    14 June 20191.6M+6.0%227K6.84
    31 May 20191.5M+18.8%243K6.02
    15 May 20191.2M+22.5%476K2.59
    30 April 20191.0M+3.4%324K3.10
    15 April 2019972K+4.6%153K6.36
    29 March 2019930K-3.3%185K5.02
    15 March 2019961K+41.2%626K1.53
    28 February 2019680K+59.9%1.0M1.00
    15 February 2019426K-14.9%564K1.00
    31 January 2019500K-5.2%599K1.00
    15 January 2019527K+2.1%132K4.00
    31 December 2018517K-2.7%107K4.81
    14 December 2018531K-4.7%97K5.47
    30 November 2018557K-3.5%52K10.73
    15 November 2018578K-4.3%98K5.87
    31 October 2018603K+9.6%72K8.40
    15 October 2018551K-11.5%89K6.17
    28 September 2018622K+6.4%140K4.46
    14 September 2018585K+6.1%140K4.19
    31 August 2018552K+18.6%205K2.69
    15 August 2018465K+35.0%160K2.90
    31 July 2018344K-8.2%106K3.26
    13 July 2018375K+0.8%87K4.32
    29 June 2018373K-21.0%199K1.87
    15 June 2018471K+20.8%110K4.30
    31 May 2018390K-23.1%79K4.96
    15 May 2018507K+20.4%73K6.93
    30 April 2018421K-70.6%138K3.04
    13 April 20181.4M+1.9%50K28.59
    29 March 20181.4M+0.0%75K18.71
    15 March 20181.4M+4.8%96K14.72
    28 February 20181.3M+2.0%45K29.62
    15 February 20181.3M+6.2%59K22.29
    31 January 20181.2M+15.0%83K14.93
    12 January 20181.1M+29.7%155K6.97
    29 December 2017831K85K9.73
    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.