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HSTM
HealthStream Inc
stock NASDAQ

Market Open

Dec 16, 2025 12:38:05 PM EST

24.19USD-0.779%(-0.19)43,664

24.23Bid 24.26Ask 0.03Spread

Pre-market

0.00USD-100.000%(-24.38)0

After-hours

Dec 15, 2025 4:07:30 PM EST

24.38USD-0.041%(-0.01)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

HSTM Volume Dec 16, 2025 12:14:55 PM EST

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	43.60	17,105	40.27
Nasdaq GSM	32.10	12,595	41.78
NYSE Arca	8.70	3,413	5.20
IEX	5.65	2,218	4.13
Cboe BZX	3.15	1,235	3.63
Cboe EDGX	2.42	951	1.71
NYSE	2.11	829	0.90
Cboe BYX	0.87	343	0.41
Nasdaq BX	0.51	202	0.46
MEMX	0.45	178	0.62
NYSE National	0.21	84	0.11
NYSE American	0.19	75	0.08
MIAX Pearl	0.01	4	0.21
Nasdaq PHLX	0.01	2	0.23
Cboe EDGA	0.00	0	0.25
CHX	0.00	0	0.01

chartexchange.com

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

HSTM Nutrition Facts

0.20 servings per container

Serving size

195.33K

Calories

39.23K

% Day

% Avg

Off Exchange¹ 17K

43.60%

40.27%

Nasdaq GSM 13K

32.10%

41.78%

NYSE Arca 3K

8.70%

5.20%

IEX 2K

5.65%

4.13%

Cboe BZX 1K

3.15%

3.63%

Cboe EDGX 951

2.42%

1.71%

NYSE 829

2.11%

0.90%

Cboe BYX 343

0.87%

0.41%

Nasdaq BX 202

0.51%

0.46%

MEMX 178

0.45%

0.62%

NYSE National 84

0.21%

0.11%

NYSE American 75

0.19%

0.08%

MIAX Pearl 4

0.01%

0.21%

Nasdaq PHLX 2

0.01%

0.23%

Cboe EDGA 0

0.00%

0.25%

CHX 0

0.00%

0.01%

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 17,105, which is 43.60% of today's total volume.
Today's Lit volume is 22,129, which is 56.40%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.27%.
The average Lit volume has been 59.73%.

HSTM Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

Cboe BYX

Nasdaq BX

MEMX

NYSE National