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HSTM
HealthStream Inc
stock NASDAQ

At Close

Aug 21, 2026 3:59:55 PM EDT

28.84USD+0.874%(+0.25)374,483

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-28.59)0

After-hours

Aug 20, 2026 4:00:30 PM EDT

28.59USD+0.017%(+0.01)0

OverviewOptionsHistoricalExchange VolumeShortsMore

HSTM Volume Aug 21, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	66.48	182,724	37.39
Nasdaq GSM	14.45	39,725	41.85
IEX	5.46	14,998	6.71
NYSE Arca	3.58	9,848	4.32
Cboe BZX	3.19	8,761	3.20
NYSE	1.64	4,499	1.30
Cboe EDGX	1.14	3,133	1.93
MEMX	0.76	2,085	0.60
Cboe EDGA	0.66	1,801	0.44
Cboe BYX	0.63	1,732	0.69
Nasdaq BX	0.46	1,277	0.56
Texas Stock Exchange LLC	0.40	1,107	0.10
Nasdaq PHLX	0.30	815	0.26
LTSE	0.25	683	0.16
NYSE National	0.22	615	0.21
NYSE American	0.22	601	0.09
MIAX Pearl	0.16	439	0.16
CHX	0.01	20	0.03
24X National	0.00	0	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

HSTM Nutrition Facts

1.47 servings per container

Serving size

187.42K

Calories

274.86K

% Day

% Avg

Off Exchange¹ 183K

66.48%

37.39%

Nasdaq GSM 40K

14.45%

41.85%

IEX 15K

5.46%

6.71%

NYSE Arca 10K

3.58%

4.32%

Cboe BZX 9K

3.19%

3.20%

NYSE 4K

1.64%

1.30%

Cboe EDGX 3K

1.14%

1.93%

MEMX 2K

0.76%

0.60%

Cboe EDGA 2K

0.66%

0.44%

Cboe BYX 2K

0.63%

0.69%

Nasdaq BX 1K

0.46%

0.56%

Texas Stock Exchange LLC 1K

0.40%

0.10%

Nasdaq PHLX 815

0.30%

0.26%

LTSE 683

0.25%

0.16%

NYSE National 615

0.22%

0.21%

NYSE American 601

0.22%

0.09%

MIAX Pearl 439

0.16%

CHX 20

0.01%

0.03%

24X National 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

HSTM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 182,724, which is 66.48% of today's total volume.
Today's Lit volume is 92,139, which is 33.52%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 37.39%.
The average Lit volume has been 62.61%.

HSTM Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

NYSE

Cboe EDGX

MEMX

Cboe EDGA

Cboe BYX

Nasdaq BX