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AFTER HRS · 18:25 ET
Market ClerkRecap
Wed Oct 21 · after hours2 signals today106 insider buys this week · $305.5MCIRO short report next: Oct 31The week ahead

ACMR

ACM Research, Inc.
NASDAQ · INDUSTRIALS · SPECIAL INDUSTRY MACHINERY, NEC
54.69
−0.27 −0.49%
USD · close Oct 21

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Short interest

FINRA · TWICE MONTHLY
Report dateShares shortChange% of shares outAvg daily volumeDays to cover
2026-08-314M+685K28.01%909K4.4
2026-08-143.3M−318K23.18%812K4.0
2026-07-313.6M−307K25.42%1.1M3.4
2026-07-153.9M+665K27.59%1.4M2.9

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