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ALKS
Alkermes Inc. plc
stock NASDAQ

At Close

Aug 20, 2026 3:59:58 PM EDT

48.03USD-4.285%(-2.15)1,564,054

41.46Bid 48.04Ask 6.58Spread

Pre-market

Aug 20, 2026 9:23:30 AM EDT

49.60USD-1.156%(-0.58)312

After-hours

Aug 20, 2026 4:00:30 PM EDT

48.02USD-0.021%(-0.01)449,120

OverviewOptionsHistoricalExchangesShort VolumeMore

ALKS Short Volume Summary for Aug 19, 2026

Today's Short Volume is 98,774, which is 15.71% of today's total reported volume.
Over the past 30 days, the average Short Volume has been 47.89%.

ALKS Short Volume

Off Exchange Non-Exempt

Off Exchange Exempt

Cboe EDGX

Cboe BZX

Cboe EDGA

Cboe BYX

Nasdaq BX

Nasdaq PHLX

NYSE

NYSE Arca

NYSE National

NYSE American

CHX

Price

ALKS Short Volume

Off Exchange Non-Exempt

Off Exchange Exempt

Cboe EDGX

Cboe BZX

Cboe EDGA

Cboe BYX

Nasdaq BX

Nasdaq PHLX

NYSE

NYSE Arca

NYSE National

NYSE American

CHX

Price

Need older data?

ALKS Short Volume chartexchange.com

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).

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ALKS Short Volume Summary for Aug 19, 2026

ALKS
Alkermes Inc. plc
stock NASDAQ