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Stock research / United States / MSCI / Short interest

MSCI Inc. short interest

1.5M shares of MSCI were sold short at the 15 October 2026 settlement, near the middle of its range over the last year (1.0M to 1.9M). Short sellers would need 3.0 days of normal trading to buy them back.

Shares sold short1.5Mat 15 Oct 2026
Change on the settlement before-24.6%+18% over a year
Days to cover2.98at 490K shares a day
Of shares in issue2.04%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 (1.0M to 1.9M), and the share price moved +17% 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 20261.5M-24.6%490K2.98
    30 September 20261.9M+45.3%622K3.12
    15 September 20261.3M+14.2%482K2.77
    31 August 20261.2M+9.2%511K2.29
    14 August 20261.1M-9.8%683K1.57
    31 July 20261.2M-4.7%916K1.30
    15 July 20261.2M-6.2%515K2.42
    30 June 20261.3M-25.9%926K1.43
    15 June 20261.8M+6.2%553K3.24
    29 May 20261.7M+13.9%719K2.35
    15 May 20261.5M+45.9%633K2.34
    30 April 20261.0M-12.6%700K1.45
    15 April 20261.2M-2.4%459K2.53
    31 March 20261.2M+8.9%488K2.44
    13 March 20261.1M-16.2%626K1.75
    27 February 20261.3M-14.3%699K1.87
    13 February 20261.5M+0.2%1.1M1.43
    30 January 20261.5M-9.2%549K2.77
    15 January 20261.7M-5.4%380K4.40
    31 December 20251.8M-7.8%563K3.14
    15 December 20251.9M+19.7%787K2.44
    28 November 20251.6M-3.7%581K2.76
    14 November 20251.7M+20.8%597K2.78
    31 October 20251.4M+11.2%761K1.81
    15 October 20251.2M-10.9%447K2.77
    30 September 20251.4M+3.7%774K1.80
    15 September 20251.3M-1.1%766K1.75
    29 August 20251.4M-12.4%520K2.61
    15 August 20251.5M+23.9%694K2.23
    31 July 20251.2M+17.4%1.2M1.02
    15 July 20251.1M-6.9%435K2.45
    30 June 20251.1M+1.0%616K1.85
    13 June 20251.1M-0.7%397K2.85
    30 May 20251.1M-24.8%471K2.42
    15 May 20251.5M+69.7%439K3.45
    30 April 2025892K-19.1%618K1.44
    15 April 20251.1M+5.3%689K1.60
    31 March 20251.0M+1.7%507K2.06
    14 March 20251.0M+8.1%654K1.57
    28 February 2025951K-0.2%604K1.58
    14 February 2025953K+17.0%655K1.45
    31 January 2025814K+5.3%544K1.50
    15 January 2025774K-5.7%407K1.90
    31 December 2024821K+0.1%420K1.95
    13 December 2024819K+12.4%399K2.05
    29 November 2024729K-16.0%512K1.42
    15 November 2024867K+15.9%573K1.51
    31 October 2024748K+15.8%471K1.59
    15 October 2024646K+1.6%367K1.76
    30 September 2024636K-7.0%458K1.39
    13 September 2024684K-34.6%397K1.73
    30 August 20241.0M+15.5%403K2.59
    15 August 2024905K+52.2%526K1.72
    31 July 2024595K-33.1%614K1.00
    15 July 2024889K-18.4%496K1.79
    28 June 20241.1M-4.7%553K1.97
    14 June 20241.1M-12.7%538K2.12
    31 May 20241.3M+39.9%735K1.78
    15 May 2024935K-3.8%775K1.21
    30 April 2024972K-10.5%1.3M1.00
    15 April 20241.1M+33.0%366K2.96
    28 March 2024816K+5.4%379K2.15
    15 March 2024774K-4.5%361K2.15
    29 February 2024811K-2.4%478K1.70
    15 February 2024831K-12.6%508K1.63
    31 January 2024951K+22.4%594K1.60
    12 January 2024777K+3.8%414K1.88
    29 December 2023749K+1.6%312K2.40
    15 December 2023737K+14.4%400K1.84
    30 November 2023644K-7.7%223K2.89
    15 November 2023698K+13.6%387K1.80
    31 October 2023615K-5.0%340K1.81
    13 October 2023647K-16.5%317K2.04
    29 September 2023775K-5.9%341K2.27
    15 September 2023824K-5.5%378K2.18
    31 August 2023871K+5.4%274K3.18
    15 August 2023827K+16.3%357K2.31
    31 July 2023711K+9.5%617K1.15
    14 July 2023650K+21.9%499K1.30
    30 June 2023533K-4.8%567K1.00
    15 June 2023560K-2.4%581K1.00
    31 May 2023574K-20.6%466K1.23
    15 May 2023722K+18.1%480K1.51
    28 April 2023611K-7.5%754K1.00
    14 April 2023661K+4.8%388K1.70
    31 March 2023631K-29.9%422K1.50
    15 March 2023900K+17.3%491K1.83
    28 February 2023767K-21.5%357K2.15
    15 February 2023977K+53.0%506K1.93
    31 January 2023639K+14.7%448K1.43
    13 January 2023557K-12.9%337K1.65
    30 December 2022639K-27.2%470K1.36
    15 December 2022878K+7.9%438K2.01
    30 November 2022814K+16.2%323K2.52
    15 November 2022700K+9.4%428K1.64
    31 October 2022640K+3.7%535K1.20
    14 October 2022617K-3.7%420K1.47
    30 September 2022641K-22.9%462K1.39
    15 September 2022832K+17.0%404K2.06
    31 August 2022711K+24.3%268K2.66
    15 August 2022572K+14.0%347K1.65
    29 July 2022502K-41.1%564K1.00
    15 July 2022851K+0.8%415K2.05
    30 June 2022844K-13.2%504K1.67
    15 June 2022973K-20.9%438K2.22
    31 May 20221.2M+20.1%618K1.99
    13 May 20221.0M+30.2%789K1.30
    29 April 2022787K-10.5%562K1.40
    14 April 2022879K+2.5%587K1.50
    31 March 2022857K-17.3%608K1.41
    15 March 20221.0M-11.0%638K1.63
    28 February 20221.2M+1.4%698K1.67
    15 February 20221.1M-3.7%594K1.93
    31 January 20221.2M+33.4%732K1.63
    14 January 2022893K+15.8%594K1.50
    31 December 2021771K+11.0%269K2.87
    15 December 2021695K-1.4%374K1.86
    30 November 2021705K-7.0%328K2.15
    15 November 2021758K-0.8%251K3.02
    29 October 2021764K-10.2%284K2.69
    15 October 2021851K-0.7%258K3.29
    30 September 2021857K+19.7%378K2.27
    15 September 2021716K+10.0%264K2.71
    31 August 2021651K-10.3%265K2.46
    13 August 2021726K+9.5%287K2.53
    30 July 2021663K+21.6%259K2.56
    15 July 2021545K-19.3%270K2.02
    30 June 2021676K-11.7%509K1.33
    15 June 2021766K+5.3%308K2.48
    28 May 2021727K-12.4%302K2.41
    14 May 2021830K+32.0%254K3.27
    30 April 2021629K-31.5%296K2.12
    15 April 2021918K-16.9%294K3.13
    31 March 20211.1M+2.9%370K2.98
    15 March 20211.1M-0.2%524K2.05
    26 February 20211.1M+8.6%459K2.34
    12 February 2021991K+53.1%463K2.14
    29 January 2021647K+0.1%627K1.03
    15 January 2021647K+13.4%375K1.72
    31 December 2020570K-9.3%276K2.07
    15 December 2020629K-10.6%349K1.80
    30 November 2020703K-41.9%310K2.27
    13 November 20201.2M+64.2%648K1.87
    30 October 2020738K-25.6%410K1.80
    15 October 2020991K+0.3%346K2.86
    30 September 2020988K-9.6%472K2.09
    15 September 20201.1M+7.7%446K2.45
    31 August 20201.0M+7.3%318K3.19
    14 August 2020946K+7.5%458K2.06
    31 July 2020880K-19.9%398K2.21
    15 July 20201.1M+4.5%459K2.39
    30 June 20201.1M+19.0%468K2.25
    15 June 2020883K-13.4%652K1.35
    29 May 20201.0M-15.9%523K1.95
    15 May 20201.2M+0.6%424K2.85
    30 April 20201.2M-17.8%549K2.19
    15 April 20201.5M-4.6%677K2.17
    31 March 20201.5M+6.3%1.1M1.38
    13 March 20201.4M+17.6%1.1M1.37
    28 February 20201.2M+6.4%904K1.36
    14 February 20201.2M+17.3%365K3.17
    31 January 2020985K-18.8%370K2.66
    15 January 20201.2M+4.0%403K3.01
    31 December 20191.2M-3.5%389K3.00
    13 December 20191.2M-5.3%370K3.27
    29 November 20191.3M+0.7%595K2.14
    15 November 20191.3M+1.6%439K2.88
    31 October 20191.2M-13.8%435K2.87
    15 October 20191.4M+0.9%403K3.59
    30 September 20191.4M+4.8%579K2.48
    13 September 20191.4M+7.3%669K2.05
    30 August 20191.3M+10.4%484K2.64
    15 August 20191.2M+3.9%615K1.88
    31 July 20191.1M-7.3%545K2.04
    15 July 20191.2M-5.6%357K3.36
    28 June 20191.3M-1.4%513K2.48
    14 June 20191.3M-3.3%561K2.30
    31 May 20191.3M+21.5%547K2.44
    15 May 20191.1M-4.3%687K1.60
    30 April 20191.1M-16.9%582K1.97
    15 April 20191.4M+13.9%596K2.31
    29 March 20191.2M-10.4%601K2.01
    15 March 20191.4M+10.9%751K1.80
    28 February 20191.2M-16.8%572K2.13
    15 February 20191.5M-2.2%523K2.80
    31 January 20191.5M-16.0%669K2.24
    15 January 20191.8M+17.1%628K2.84
    31 December 20181.5M+11.2%916K1.66
    14 December 20181.4M-20.3%719K1.90
    30 November 20181.7M+35.7%789K2.18
    15 November 20181.3M+3.6%948K1.34
    31 October 20181.2M-6.8%1.1M1.11
    15 October 20181.3M+2.4%826K1.59
    28 September 20181.3M-6.8%529K2.42
    14 September 20181.4M+11.0%510K2.70
    31 August 20181.2M+3.5%372K3.33
    15 August 20181.2M+1.3%623K1.92
    31 July 20181.2M-2.5%467K2.53
    13 July 20181.2M+6.3%432K2.80
    29 June 20181.1M-21.3%626K1.82
    15 June 20181.4M+16.4%544K2.66
    31 May 20181.2M-11.6%561K2.22
    15 May 20181.4M+27.6%726K1.94
    30 April 20181.1M-5.4%610K1.81
    13 April 20181.2M-37.0%3.3M1.00
    29 March 20181.8M+61.1%1.1M1.63
    15 March 20181.1M+26.4%580K1.98
    28 February 2018907K-8.7%444K2.04
    15 February 2018994K-0.9%830K1.20
    31 January 20181.0M-11.3%381K2.63
    12 January 20181.1M+66.4%398K2.84
    29 December 2017679K429K1.58
    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.