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QLYS
Qualys, Inc. Common Stock
stock NASDAQ

At Close

Jul 18, 2025 3:59:45 PM EDT

139.47USD-0.057%(-0.08)237,732

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-139.55)0

After-hours

Jul 18, 2025 4:00:30 PM EDT

139.31USD-0.115%(-0.16)7,062

OverviewOptionsHistoricalExchange VolumeShortsMore

QLYS Volume Jul 18, 2025

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Exchange	Day%	Volume	30D%
Nasdaq GSM	60.56	143,969	43.95
Off Exchange¹	24.97	59,358	38.89
Cboe BZX	3.87	9,196	4.27
NYSE Arca	3.21	7,640	3.55
NYSE	2.56	6,075	1.34
IEX	2.20	5,235	3.50
Cboe EDGX	1.55	3,677	1.92
MEMX	0.46	1,087	0.63
Cboe BYX	0.32	756	0.66
Nasdaq BX	0.12	279	0.41
Cboe EDGA	0.06	154	0.27
NYSE National	0.05	117	0.10
MIAX Pearl	0.04	100	0.20
NYSE American	0.02	55	0.08
Nasdaq PHLX	0.01	26	0.18
CHX	0.00	8	0.06

chartexchange.com

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

QLYS Nutrition Facts

0.76 servings per container

Serving size

313.78K

Calories

237.73K

% Day

% Avg

Nasdaq GSM 144K

60.56%

43.95%

Off Exchange¹ 59K

24.97%

38.89%

Cboe BZX 9K

3.87%

4.27%

NYSE Arca 8K

3.21%

3.55%

NYSE 6K

2.56%

1.34%

IEX 5K

2.20%

3.50%

Cboe EDGX 4K

1.55%

1.92%

MEMX 1K

0.46%

0.63%

Cboe BYX 756

0.32%

0.66%

Nasdaq BX 279

0.12%

0.41%

Cboe EDGA 154

0.06%

0.27%

NYSE National 117

0.05%

0.10%

MIAX Pearl 100

0.04%

0.20%

NYSE American 55

0.02%

0.08%

Nasdaq PHLX 26

0.01%

0.18%

CHX 8

0.00%

0.06%

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

chartexchange.com

QLYS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 59,358, which is 24.97% of today's total volume.
Today's Lit volume is 178,374, which is 75.03%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.89%.
The average Lit volume has been 61.11%.

QLYS Volume by Exchange

Nasdaq GSM

Off Exchange

Cboe BZX

NYSE Arca

NYSE

IEX

Cboe EDGX

MEMX

Cboe BYX

Nasdaq BX

Cboe EDGA