Dark

SSD
Simpson Manufacturing Co., Inc.
stock NYSE

At Close

Oct 3, 2025 3:59:54 PM EDT

171.14USD+1.129%(+1.91)423,013

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-169.23)0

After-hours

Oct 3, 2025 4:00:30 PM EDT

171.22USD+0.047%(+0.08)1,168

OverviewOptionsHistoricalDark Pool LevelsShortsMore

SSD Volume Oct 3, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	37.25	157,490	41.53
NYSE	29.18	123,367	28.53
Nasdaq GSM	15.91	67,277	13.58
NYSE Arca	4.04	17,091	3.72
IEX	3.61	15,245	4.30
Cboe BZX	3.00	12,696	3.12
Cboe EDGX	1.21	5,098	1.36
Cboe BYX	1.19	5,052	1.02
Cboe EDGA	1.11	4,681	0.71
MEMX	1.06	4,473	0.52
Nasdaq BX	1.06	4,472	0.74
NYSE National	0.83	3,512	0.48
Nasdaq PHLX	0.26	1,081	0.17
MIAX Pearl	0.18	781	0.13
NYSE American	0.10	436	0.06
CHX	0.02	75	0.04
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

1.68 servings per container

Serving size

252.03K

Calories

422.83K

% Day

% Avg

Off Exchange¹ 157K

37.25%

41.53%

NYSE 123K

29.18%

28.53%

Nasdaq GSM 67K

15.91%

13.58%

NYSE Arca 17K

4.04%

3.72%

IEX 15K

3.61%

4.30%

Cboe BZX 13K

3.00%

3.12%

Cboe EDGX 5K

1.21%

1.36%

Cboe BYX 5K

1.19%

1.02%

Cboe EDGA 5K

1.11%

0.71%

MEMX 4K

1.06%

0.52%

Nasdaq BX 4K

1.06%

0.74%

NYSE National 4K

0.83%

0.48%

Nasdaq PHLX 1K

0.26%

0.17%

MIAX Pearl 781

0.18%

0.13%

NYSE American 436

0.10%

0.06%

CHX 75

0.02%

0.04%

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 157,490, which is 37.25% of today's total volume.
Today's Lit volume is 265,337, which is 62.75%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 41.53%.
The average Lit volume has been 58.47%.

SSD Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

Cboe BYX

Cboe EDGA

MEMX

Nasdaq BX