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HSTMhistorical intraday data

ListedHealthStream IncNasdaq

HealthStream Inc (HSTM) is a common stock listed on Nasdaq. HSTM has 5,820 trading days on file, from September 10, 2003 to November 9, 2026, with 7,997,936 trades. There are 639,041 1-minute bars on file.

On file

First day
2003-09-10
Last day
2026-11-09
Trading days
5,820
Trades
7,997,936
1-minute bars
639,041
Bars, about
9.8 MB
Trades, about
110 MB
Quotes, about
259 MB

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

Trading history

Trades per calendar year. Busiest year: 2026, with 1,301,174 trades over 214 trading days.

Symbols get reused, so the history under HSTM is not always one company.

Sample rows

HSTM1-minute bars, 2026-11-09, Eastern Time
HSTM 1-minute bars. Time is Eastern Time, prices are in USD.
Time (ET)OpenHighLowCloseVolumeTrades
09:3028.830.7428.830.745,021.8547833
09:3129.229.229.229.22,64815
09:3230.0930.0930.0930.091354
09:3429.369129.369129.369129.36911333
09:3929.1429.1429.1429.142922

HSTM by year

YearTrading days on fileTrades
2003792,076
20042476,784
200525212,121
200625128,106
200725120,646
200825210,514
200925024,695
201025240,273
2011252175,563
2012250244,184
2013252185,572
2014252366,670
2015252306,149
2016252270,324
2017251331,863
2018251400,184
2019252390,664
2020253548,301
2021252400,973
2022251515,506
2023250592,816
2024252690,782
20252501,131,996
20262141,301,174