Opening soon.Get an email at launch

ACMRhistorical intraday data

ListedACM Research, Inc. Class A Common StockNasdaq

ACM Research, Inc. Class A Common Stock (ACMR) is a common stock listed on Nasdaq. ACMR has 4,330 trading days on file, from September 10, 2003 to November 9, 2026, with 24,425,611 trades. There are 974,393 1-minute bars on file.

On file

First day
2003-09-10
Last day
2026-11-09
Trading days
4,330
Trades
24,425,611
1-minute bars
974,393
Bars, about
14 MB
Trades, about
337 MB
Quotes, about
354 MB

Sizes are approximate: this ticker’s share of the Parquet files.

Trading history

Trades per calendar year. Busiest year: 2026, with 5,159,749 trades over 214 trading days. No data for 2012–2016.

No ACMR data for 2012 to 2016. A gap usually means the symbol belonged to a different company before and after it. The name above is the latest on record.

Sample rows

ACMR1-minute bars, 2026-11-09, Eastern Time
ACMR 1-minute bars. Time is Eastern Time, prices are in USD.
Time (ET)OpenHighLowCloseVolumeTrades
09:3046.246.472545.645.9643,340.205107357
09:3145.9746.0945.7545.966,552.387154143
09:3245.9645.9645.80545.856,407.88326849
09:3345.6245.845.6245.8721.2164526
09:3445.746.059945.518745.92,955.6932140

ACMR by year

YearTrading days on fileTrades
20037946,664
2004252157,811
2005252289,794
2006251321,755
2007251330,741
2008253326,111
200925283,356
201025258,622
201122449,574
2017397,182
2018251106,258
2019252260,432
20202531,526,597
20212521,317,760
20222512,013,936
20232502,667,518
20242524,556,716
20252505,145,035
20262145,159,749