Dark

SSD
Simpson Manufacturing Co., Inc.
stock NYSE

At Close

Sep 30, 2026 3:59:54 PM EDT

170.88USD-1.787%(-3.11)248,511

165.30Bid 180.50Ask 15.20Spread

Pre-market

0.00USD-100.000%(-173.99)0

After-hours

Sep 28, 2026 4:10:30 PM EDT

174.79USD+0.011%(+0.02)0

OverviewOptionsHistoricalExchange VolumeShortsMore

SSD Volume Sep 30, 2026

[NF]

Exchange	Day%	Volume	30D%
NYSE	42.65	105,975	33.95
Off Exchange¹	38.86	96,567	42.03
Nasdaq GSM	6.44	16,015	7.65
IEX	4.47	11,100	6.03
Cboe BZX	2.77	6,872	3.10
NYSE Arca	2.03	5,048	3.54
Cboe EDGX	1.01	2,501	1.46
MEMX	0.34	849	0.42
Cboe EDGA	0.33	825	0.33
MIAX Pearl	0.25	629	0.10
Cboe BYX	0.25	617	0.60
NYSE National	0.15	368	0.24
NYSE American	0.12	302	0.07
CHX	0.12	300	0.03
Nasdaq BX	0.11	262	0.32
Nasdaq PHLX	0.06	155	0.09
LTSE	0.04	100	0.03
24X National	0.00	11	0.00
Texas Stock Exchange LLC	0.00	0	0.00

chartexchange.com

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

SSD Nutrition Facts

0.90 servings per container

Serving size

277.59K

Calories

248.50K

% Day

% Avg

NYSE 106K

42.65%

33.95%

Off Exchange¹ 97K

38.86%

42.03%

Nasdaq GSM 16K

6.44%

7.65%

IEX 11K

4.47%

6.03%

Cboe BZX 7K

2.77%

3.10%

NYSE Arca 5K

2.03%

3.54%

Cboe EDGX 3K

1.01%

1.46%

MEMX 849

0.34%

0.42%

Cboe EDGA 825

0.33%

MIAX Pearl 629

0.25%

0.10%

Cboe BYX 617

0.25%

0.60%

NYSE National 368

0.15%

0.24%

NYSE American 302

0.12%

0.07%

CHX 300

0.12%

0.03%

Nasdaq BX 262

0.11%

0.32%

Nasdaq PHLX 155

0.06%

0.09%

LTSE 100

0.04%

0.03%

24X National 11

0.00%

Texas Stock Exchange LLC 0

0.00%

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 96,567, which is 38.86% of today's total volume.
Today's Lit volume is 151,929, which is 61.14%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.03%.
The average Lit volume has been 57.97%.

SSD Volume by Exchange

NYSE

Off Exchange

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

Cboe EDGA

MIAX Pearl

Cboe BYX