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Rapport Therapeutics, Inc. short interest

3.1M shares of Rapport Therapeutics were sold short at the 15 October 2026 settlement, near the middle of its range over the last year (1.9M to 3.8M). Short sellers would need 11.8 days of normal trading to buy them back.

Shares sold short3.1Mat 15 Oct 2026
Change on the settlement before-4.5%+51% over a year
Days to cover11.76at 260K shares a day
Of shares in issue6.36%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 (1.9M to 3.8M), and the share price moved -6% 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 14 Jun 2024 as a table
    SettlementShares shortChangeAverage daily volumeDays to cover
    15 October 20263.1M-4.5%260K11.76
    30 September 20263.2M+42.1%660K4.84
    15 September 20262.2M+0.6%284K7.91
    31 August 20262.2M+0.4%271K8.23
    14 August 20262.2M-1.0%296K7.53
    31 July 20262.2M-16.4%299K7.51
    15 July 20262.7M+19.1%439K6.13
    30 June 20262.3M+0.6%489K4.62
    15 June 20262.2M-8.7%317K7.09
    29 May 20262.5M+1.8%285K8.64
    15 May 20262.4M-20.7%349K6.93
    30 April 20263.0M-10.6%421K7.24
    15 April 20263.4M-11.4%241K14.17
    31 March 20263.8M+3.7%317K12.15
    13 March 20263.7M+5.6%407K9.11
    27 February 20263.5M+3.3%283K12.43
    13 February 20263.4M+3.4%255K13.34
    30 January 20263.3M+14.6%373K8.81
    15 January 20262.9M+6.6%360K7.97
    31 December 20252.7M+20.7%470K5.73
    15 December 20252.2M+3.8%338K6.60
    28 November 20252.1M+7.3%395K5.44
    14 November 20252.0M+3.6%380K5.27
    31 October 20251.9M-4.2%362K5.33
    15 October 20252.0M-33.5%430K4.69
    30 September 20253.0M-4.0%812K3.73
    15 September 20253.2M+0.4%2.7M1.17
    29 August 20253.1M+4.1%222K14.18
    15 August 20253.0M-0.9%163K18.51
    31 July 20253.1M+6.7%159K19.16
    15 July 20252.9M+1.1%169K16.89
    30 June 20252.8M-0.2%146K19.43
    13 June 20252.8M+8.0%267K10.60
    30 May 20252.6M+6.3%202K12.96
    15 May 20252.5M-2.2%107K22.97
    30 April 20252.5M+3.5%132K19.16
    15 April 20252.4M-12.9%218K11.20
    31 March 20252.8M+21.1%323K8.69
    14 March 20252.3M+27.9%399K5.80
    28 February 20251.8M+8.8%221K8.17
    14 February 20251.7M+10.2%94K17.63
    31 January 20251.5M+0.6%88K17.10
    15 January 20251.5M-15.2%113K13.28
    31 December 20241.8M-2.3%126K14.04
    13 December 20241.8M+1.0%144K12.60
    29 November 20241.8M+3.0%108K16.52
    15 November 20241.7M-17.7%80K21.68
    31 October 20242.1M+10.0%94K22.49
    15 October 20241.9M+4.1%107K17.97
    30 September 20241.8M+32.3%361K5.10
    13 September 20241.4M+6.9%115K12.15
    30 August 20241.3M+7.2%88K14.74
    15 August 20241.2M+18.1%122K9.97
    31 July 20241.0M+15.5%122K8.46
    15 July 2024891K+36.4%175K5.08
    28 June 2024653K+179.8%254K2.57
    14 June 2024234K325K1.00
    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.