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Krystal Biotech KRYS

US equityMarket cap rank #1468
$334.85 +$12.57 (+3.90%)
Market closed · Oct 5, 8:10 pm ET · Last extended-hours $331.94 -0.87%
Open$323.76
Prev close$322.28
Day range$321.37 – $339.69
Volume337.0K
Market cap$9.91B
P/E (TTM)42.0
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Short interest10.69% of floatDays to cover 13.2 · as of 15 Sep 2026
Short-sale volume share21.1%5-day average of daily volume

Short-sale volume as % of daily volume

17%21%25%28%Sep '26Sep '26Oct '26

Reported short interest has fallen from 11.93% to 10.69% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 3,163,642 10.7% 13.2
31 Aug 2026 3,347,813 11.3% 15.3
14 Aug 2026 3,204,909 10.8% 10.3
31 Jul 2026 3,202,260 10.9% 4.2
15 Jul 2026 3,496,648 11.9% 11.4
30 Jun 2026 3,517,595 11.9% 7.2

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