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SPOK
Spok Holdings, Inc
stock NASDAQ

Market Open

May 21, 2025 11:52:19 AM EDT

16.79USD+0.659%(+0.11)37,447

16.74Bid 16.79Ask 0.05Spread

Pre-market

Dec 31, 1969 7:00:00 PM EST

0.00USD-100.000%(-16.68)0

After-hours

May 20, 2025 4:00:30 PM EDT

16.68USD-0.150%(-0.03)0

OverviewOptionsHistoricalExchange VolumeShortsMore

SPOK Volume May 21, 2025 11:54:48 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	44.85	15,730	43.07
Nasdaq GSM	28.52	10,001	34.79
MEMX	12.24	4,294	2.31
NYSE Arca	4.54	1,593	4.38
IEX	2.82	990	3.59
Cboe BZX	2.73	959	2.75
Cboe EDGX	2.44	857	6.39
NYSE	1.23	431	0.87
Nasdaq BX	0.31	110	0.25
NYSE American	0.29	100	0.09
MIAX Pearl	0.01	5	0.17
Cboe BYX	0.00	1	0.80
Cboe EDGA	0.00	0	0.28
NYSE National	0.00	0	0.15
Nasdaq PHLX	0.00	0	0.07
CHX	0.00	0	0.02

chartexchange.com

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

SPOK Nutrition Facts

0.21 servings per container

Serving size

167.18K

Calories

35.07K

% Day

% Avg

Off Exchange¹ 16K

44.85%

43.07%

Nasdaq GSM 10K

28.52%

34.79%

MEMX 4K

12.24%

2.31%

NYSE Arca 2K

4.54%

4.38%

IEX 990

2.82%

3.59%

Cboe BZX 959

2.73%

2.75%

Cboe EDGX 857

2.44%

6.39%

NYSE 431

1.23%

0.87%

Nasdaq BX 110

0.31%

0.25%

NYSE American 100

0.29%

0.09%

MIAX Pearl 5

0.01%

0.17%

Cboe BYX 1

0.00%

0.80%

Cboe EDGA 0

0.00%

0.28%

NYSE National 0

0.00%

0.15%

Nasdaq PHLX 0

0.00%

0.07%

CHX 0

0.00%

0.02%

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

chartexchange.com

SPOK Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 15,730, which is 44.85% of today's total volume.
Today's Lit volume is 19,341, which is 55.15%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.07%.
The average Lit volume has been 56.93%.

SPOK Volume by Exchange

Off Exchange

Nasdaq GSM

MEMX

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

Nasdaq BX

NYSE American

MIAX Pearl