Dark

ACMR
ACM Research, Inc. Class A Common Stock
stock NASDAQ

At Close

Sep 25, 2026 3:59:51 PM EDT

77.29USD+1.457%(+1.11)594,846

72.20Bid 87.93Ask 15.73Spread

Pre-market

Sep 25, 2026 9:28:30 AM EDT

78.23USD+2.691%(+2.05)3,257

After-hours

Sep 23, 2026 4:32:30 PM EDT

80.72USD-0.031%(-0.03)0

OverviewOptionsHistoricalExchangesShort InterestMore

As of 2026-09-15, there were 4,136,685 shares short with a short interest of 7.08%.

Price

Price

Historical data is split-adjusted.

1) Data from Finra. Finra publishes an updated file every two weeks.

2) Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.

.dark-mode .lFbF5n{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .lFbF5n{ color: #333333; background-color: white; border: 2px solid #333333; }ACMRACM Research, Inc. Class A Common Stockstock NASDAQ