Dark

SSD
Simpson Manufacturing Co., Inc.
stock NYSE

Market Open

May 23, 2025 2:49:55 PM EDT

154.71USD-0.502%(-0.78)70,337

0.00Bid 0.00Ask 0.00Spread

Pre-market

May 19, 2025 8:36:30 AM EDT

162.00USD+4.187%(+6.51)0

After-hours

May 22, 2025 4:00:30 PM EDT

155.49USD-0.019%(-0.03)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

SSD Volume May 23, 2025 2:44:53 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	54.93	37,290	42.63
Nasdaq GSM	13.84	9,399	13.85
NYSE	13.70	9,300	28.51
IEX	5.76	3,909	3.93
Cboe BZX	4.06	2,758	2.67
NYSE Arca	2.67	1,812	3.54
Cboe EDGX	1.78	1,206	1.45
MEMX	1.50	1,021	1.07
MIAX Pearl	0.64	434	0.20
Nasdaq BX	0.41	275	0.45
NYSE National	0.32	214	0.20
Cboe BYX	0.17	117	0.72
NYSE American	0.13	90	0.10
Cboe EDGA	0.08	55	0.47
Nasdaq PHLX	0.02	12	0.14
CHX	0.00	0	0.06
LTSE	0.00	0	0.01

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

SSD Nutrition Facts

0.28 servings per container

Serving size

241.08K

Calories

67.89K

% Day

% Avg

Off Exchange¹ 37K

54.93%

42.63%

Nasdaq GSM 9K

13.84%

13.85%

NYSE 9K

13.70%

28.51%

IEX 4K

5.76%

3.93%

Cboe BZX 3K

4.06%

2.67%

NYSE Arca 2K

2.67%

3.54%

Cboe EDGX 1K

1.78%

1.45%

MEMX 1K

1.50%

1.07%

MIAX Pearl 434

0.64%

0.20%

Nasdaq BX 275

0.41%

0.45%

NYSE National 214

0.32%

0.20%

Cboe BYX 117

0.17%

0.72%

NYSE American 90

0.13%

0.10%

Cboe EDGA 55

0.08%

0.47%

Nasdaq PHLX 12

0.02%

0.14%

CHX 0

0.00%

0.06%

LTSE 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

SSD Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 37,290, which is 54.93% of today's total volume.
Today's Lit volume is 30,602, which is 45.07%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.63%.
The average Lit volume has been 57.37%.

SSD Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

MIAX Pearl

Nasdaq BX

NYSE National