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Factset Research Systems Inc. short interest

3.8M shares of Factset Research Systems were sold short at the 15 October 2026 settlement, near the middle of its range over the last year (1.7M to 5.8M). Short sellers would need 5.2 days of normal trading to buy them back.

Shares sold short3.8Mat 15 Oct 2026
Change on the settlement before+19.3%+62% over a year
Days to cover5.22at 726K shares a day
Of shares in issue10.76%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 middle of its range over the last year (1.7M to 5.8M), and the share price moved +15% 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

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    Every settlement since 29 Dec 2017 as a table
    SettlementShares shortChangeAverage daily volumeDays to cover
    15 October 20263.8M+19.3%726K5.22
    30 September 20263.2M-17.3%813K3.91
    15 September 20263.8M-14.1%972K3.95
    31 August 20264.5M+24.5%848K5.28
    14 August 20263.6M-9.2%750K4.79
    31 July 20264.0M-21.2%1.0M3.88
    15 July 20265.0M-5.1%990K5.08
    30 June 20265.3M-1.2%1.1M5.00
    15 June 20265.4M-6.8%1.0M5.32
    29 May 20265.8M-0.1%803K7.16
    15 May 20265.8M+14.4%927K6.22
    30 April 20265.0M+5.4%774K6.51
    15 April 20264.8M+34.5%1.1M4.19
    31 March 20263.6M+5.6%1.1M3.28
    13 March 20263.4M-7.3%882K3.82
    27 February 20263.6M+8.5%1.2M3.08
    13 February 20263.3M+45.5%1.6M2.10
    30 January 20262.3M+27.6%683K3.36
    15 January 20261.8M+6.9%512K3.52
    31 December 20251.7M-5.6%831K2.03
    15 December 20251.8M-34.9%744K2.40
    28 November 20252.7M+3.6%1.1M2.61
    14 November 20252.6M+18.0%806K3.28
    31 October 20252.2M-3.9%863K2.60
    15 October 20252.3M+9.0%801K2.92
    30 September 20252.1M+22.7%1.1M1.96
    15 September 20251.7M-17.0%454K3.85
    29 August 20252.1M+0.2%455K4.62
    15 August 20252.1M+21.0%409K5.13
    31 July 20251.7M+10.7%356K4.87
    15 July 20251.6M+18.0%263K5.96
    30 June 20251.3M-2.6%495K2.68
    13 June 20251.4M-12.4%370K3.68
    30 May 20251.6M+8.7%329K4.73
    15 May 20251.4M+4.5%309K4.63
    30 April 20251.4M-4.4%223K6.14
    15 April 20251.4M+3.9%391K3.67
    31 March 20251.4M-2.0%371K3.72
    14 March 20251.4M-13.7%270K5.21
    28 February 20251.6M+4.9%207K7.90
    14 February 20251.6M+0.0%232K6.72
    31 January 20251.6M-22.8%388K4.01
    15 January 20252.0M-3.8%296K6.80
    31 December 20242.1M-3.2%367K5.71
    13 December 20242.2M-7.5%211K10.23
    29 November 20242.3M+12.0%232K10.08
    15 November 20242.1M-7.0%294K7.10
    31 October 20242.2M-4.0%214K10.48
    15 October 20242.3M+2.7%189K12.36
    30 September 20242.3M-3.3%380K6.00
    13 September 20242.4M+2.8%376K6.27
    30 August 20242.3M+11.8%224K10.22
    15 August 20242.0M-1.7%190K10.78
    31 July 20242.1M-3.9%284K7.35
    15 July 20242.2M+5.5%198K10.94
    28 June 20242.1M+5.9%563K3.65
    14 June 20241.9M-5.3%267K7.28
    31 May 20242.1M+7.1%284K7.22
    15 May 20241.9M+7.9%197K9.72
    30 April 20241.8M+8.3%252K7.06
    15 April 20241.6M+23.6%278K5.90
    28 March 20241.3M+2.5%401K3.31
    15 March 20241.3M+6.1%213K6.08
    29 February 20241.2M+20.4%224K5.44
    15 February 20241.0M-9.5%216K4.68
    31 January 20241.1M+6.2%168K6.65
    12 January 20241.1M+4.8%202K5.21
    29 December 20231.0M-4.2%312K3.22
    15 December 20231.1M-8.6%292K3.59
    30 November 20231.2M+5.8%234K4.92
    15 November 20231.1M-18.2%187K5.80
    31 October 20231.3M-3.5%197K6.74
    13 October 20231.4M+18.2%256K5.37
    29 September 20231.2M+8.2%370K3.15
    15 September 20231.1M+1.1%233K4.63
    31 August 20231.1M+6.3%227K4.69
    15 August 20231.0M+0.8%238K4.21
    31 July 2023994K+25.4%320K3.10
    14 July 2023792K+1.6%361K2.19
    30 June 2023780K+39.1%482K1.62
    15 June 2023561K+0.8%252K2.23
    31 May 2023556K+16.8%285K1.95
    15 May 2023476K+5.8%230K2.07
    28 April 2023450K-3.6%178K2.52
    14 April 2023467K-5.1%230K2.03
    31 March 2023492K+12.2%396K1.24
    15 March 2023438K+5.6%228K1.92
    28 February 2023415K+19.8%152K2.73
    15 February 2023346K+2.9%170K2.04
    31 January 2023337K-17.5%225K1.50
    13 January 2023408K-8.1%242K1.69
    30 December 2022444K-2.5%307K1.45
    15 December 2022455K-13.3%236K1.93
    30 November 2022525K+2.2%233K2.26
    15 November 2022514K-17.7%230K2.23
    31 October 2022624K+0.8%217K2.87
    14 October 2022619K+6.9%279K2.22
    30 September 2022579K+0.9%415K1.39
    15 September 2022574K-13.8%210K2.74
    31 August 2022666K-6.8%215K3.09
    15 August 2022715K+4.8%173K4.12
    29 July 2022682K+6.8%190K3.59
    15 July 2022639K+7.5%224K2.85
    30 June 2022594K+7.9%413K1.44
    15 June 2022550K-7.5%209K2.64
    31 May 2022595K+7.9%299K1.99
    13 May 2022551K+11.7%265K2.08
    29 April 2022494K+18.4%261K1.89
    14 April 2022417K-6.0%305K1.37
    31 March 2022444K-19.9%361K1.23
    15 March 2022554K-9.2%298K1.86
    28 February 2022610K-25.3%295K2.07
    15 February 2022816K+4.9%233K3.50
    31 January 2022778K+12.6%275K2.83
    14 January 2022691K+2.4%312K2.21
    31 December 2021675K+25.0%850K1.00
    15 December 2021540K+1.4%255K2.11
    30 November 2021532K-6.3%198K2.69
    15 November 2021568K+13.1%209K2.71
    29 October 2021502K+0.9%192K2.62
    15 October 2021498K+21.3%195K2.56
    30 September 2021410K-10.7%245K1.68
    15 September 2021459K-4.6%136K3.37
    31 August 2021482K-9.8%154K3.13
    13 August 2021534K+14.4%139K3.85
    30 July 2021467K+1.0%149K3.14
    15 July 2021462K-7.0%151K3.06
    30 June 2021497K-10.1%213K2.34
    15 June 2021553K+5.2%131K4.23
    28 May 2021525K-15.8%131K4.01
    14 May 2021624K-11.5%185K3.37
    30 April 2021705K-16.5%331K2.13
    15 April 2021845K+8.6%231K3.66
    31 March 2021778K-18.6%259K3.00
    15 March 2021956K-12.3%232K4.12
    26 February 20211.1M+6.2%170K6.41
    12 February 20211.0M+11.8%166K6.20
    29 January 2021918K+24.3%216K4.25
    15 January 2021738K+6.6%173K4.27
    31 December 2020693K-10.8%204K3.40
    15 December 2020777K-32.1%206K3.77
    30 November 20201.1M+7.9%141K8.10
    13 November 20201.1M-2.0%221K4.80
    30 October 20201.1M+1.1%161K6.71
    15 October 20201.1M-1.1%241K4.44
    30 September 20201.1M-18.2%271K3.99
    15 September 20201.3M-2.9%196K6.74
    31 August 20201.4M+6.1%132K10.30
    14 August 20201.3M-9.6%139K9.24
    31 July 20201.4M-9.4%169K8.42
    15 July 20201.6M-19.8%192K8.17
    30 June 20202.0M-10.4%332K5.88
    15 June 20202.2M-11.6%249K8.74
    29 May 20202.5M-0.2%180K13.72
    15 May 20202.5M+10.8%251K9.86
    30 April 20202.2M-2.4%207K10.78
    15 April 20202.3M+3.2%283K8.08
    31 March 20202.2M-17.6%561K3.95
    13 March 20202.7M-1.8%471K5.70
    28 February 20202.7M-10.1%349K7.85
    14 February 20203.0M-11.2%266K11.43
    31 January 20203.4M-7.1%286K12.01
    15 January 20203.7M+5.2%290K12.73
    31 December 20193.5M-9.7%370K9.49
    13 December 20193.9M+0.3%319K12.20
    29 November 20193.9M+2.0%292K13.27
    15 November 20193.8M+1.1%327K11.64
    31 October 20193.8M+2.8%295K12.76
    15 October 20193.7M-11.7%402K9.09
    30 September 20194.1M+8.9%589K7.03
    13 September 20193.8M-1.3%318K11.95
    30 August 20193.9M+5.7%260K14.84
    15 August 20193.6M+32.8%323K11.29
    31 July 20192.7M-6.1%348K7.90
    15 July 20192.9M+28.8%382K7.66
    28 June 20192.3M-11.7%711K3.19
    14 June 20192.6M-18.3%362K7.11
    31 May 20193.1M+42.8%570K5.52
    15 May 20192.2M+0.6%298K7.40
    30 April 20192.2M-3.7%253K8.67
    15 April 20192.3M+9.0%208K10.92
    29 March 20192.1M-3.9%332K6.29
    15 March 20192.2M-5.0%220K9.86
    28 February 20192.3M+10.5%224K10.20
    15 February 20192.1M-5.2%200K10.34
    31 January 20192.2M+17.1%255K8.55
    15 January 20191.9M+12.6%272K6.85
    31 December 20181.7M-3.4%494K3.35
    14 December 20181.7M-12.0%287K5.97
    30 November 20181.9M-3.4%236K8.26
    15 November 20182.0M+6.9%229K8.79
    31 October 20181.9M+9.9%295K6.39
    15 October 20181.7M-17.3%345K4.97
    28 September 20182.1M+6.8%405K5.12
    14 September 20181.9M-5.1%227K8.54
    31 August 20182.0M-4.3%187K10.96
    15 August 20182.1M-13.0%279K7.66
    31 July 20182.5M-5.9%247K9.95
    13 July 20182.6M-12.3%265K9.85
    29 June 20183.0M+15.9%391K7.62
    15 June 20182.6M-14.1%247K10.38
    31 May 20183.0M+17.4%220K13.57
    15 May 20182.5M-0.2%324K7.86
    30 April 20182.6M+9.3%353K7.22
    13 April 20182.3M+0.7%341K6.84
    29 March 20182.3M-6.2%456K5.09
    15 March 20182.5M-15.4%220K11.23
    28 February 20182.9M+10.1%196K14.87
    15 February 20182.7M-10.4%297K8.93
    31 January 20183.0M+5.4%371K7.99
    12 January 20182.8M-1.5%326K8.63
    29 December 20172.9M640K4.46
    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.