INSM
Insmed, Inc.
stockNASDAQ
At CloseOct 21, 2026 3:59:59 PM EDT
94.09USD-1.652%(-1.58)2,939,874
Pre-marketOct 21, 2026 8:01:30 AM EDT
95.30USD-0.387%(-0.37)
After-hoursOct 21, 2026 4:36:30 PM EDT
94.04USD-0.053%(-0.05)
INSM’s Short Volume on 2026-10-21 was 374,126, which is 29.70% of the day’s total reported volume. Over the past 30 days, the average Short Volume has been 38.49%. Short volume is the FINRA-reported daily short-sale volume — distinct from short interest, the standing position.
INSM Short Volume by Venue
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INSM Short Volume by Venue
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INSM Short Volume · History
Historical data is split-adjusted.
2 Total from available short volume files. Not every exchange reports the daily short volume free of charge (or at all), so total volume in this table will be less than the daily volume at the top of the page. Volume for trades during regular trading hours.
3 FINRA short data reported after market close (4pm ET).
4 Cboe stopped publishing short volume on June 30, 2023.
5 Nasdaq short data reported after market close (4pm ET).
6 NYSE short data reported after trading day close (8pm ET).