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SID
Companhia Siderurgica Nacional S.A. (CSN)
stock NYSE ADR

At Close

Sep 23, 2026 3:59:43 PM EDT

1.13USD-3.814%(-0.05)8,254,898

0.9700Bid 1.16Ask 0.19Spread

Pre-market

Sep 23, 2026 9:10:30 AM EDT

1.16USD-1.695%(-0.02)5,610

After-hours

Sep 22, 2026 4:10:30 PM EDT

1.18USD0.000%(0.00)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

SID Volume Sep 23, 2026

[NF]

Exchange	Day%	Volume	30D%
NYSE Arca	23.22	1,915,927	15.03
NYSE	19.73	1,628,008	19.30
Nasdaq GSM	19.25	1,588,367	15.47
Cboe BZX	10.90	899,134	5.89
Off Exchange¹	10.57	871,728	28.23
IEX	5.13	423,424	4.94
Cboe EDGX	4.84	399,378	4.14
Cboe BYX	2.38	196,673	3.43
NYSE National	1.02	84,156	0.54
MEMX	0.78	64,741	0.99
Cboe EDGA	0.61	50,429	0.84
Texas Stock Exchange LLC	0.52	42,871	0.33
NYSE American	0.30	24,852	0.12
Nasdaq BX	0.22	18,377	0.17
MIAX Pearl	0.22	18,074	0.33
24X National	0.16	12,800	0.06
Nasdaq PHLX	0.11	9,400	0.11
CHX	0.02	1,600	0.09

chartexchange.com

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

SID Nutrition Facts

1.44 servings per container

Serving size

5.74M

Calories

8.25M

% Day

% Avg

NYSE Arca 2M

23.22%

15.03%

NYSE 2M

19.73%

19.30%

Nasdaq GSM 2M

19.25%

15.47%

Cboe BZX 899K

10.90%

5.89%

Off Exchange¹ 872K

10.57%

28.23%

IEX 423K

5.13%

4.94%

Cboe EDGX 399K

4.84%

4.14%

Cboe BYX 197K

2.38%

3.43%

NYSE National 84K

1.02%

0.54%

MEMX 65K

0.78%

0.99%

Cboe EDGA 50K

0.61%

0.84%

Texas Stock Exchange LLC 43K

0.52%

0.33%

NYSE American 25K

0.30%

0.12%

Nasdaq BX 18K

0.22%

0.17%

MIAX Pearl 18K

0.22%

0.33%

24X National 13K

0.16%

0.06%

Nasdaq PHLX 9K

0.11%

CHX 2K

0.02%

0.09%

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

chartexchange.com

SID Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 871,728, which is 10.57% of today's total volume.
Today's Lit volume is 7,378,211, which is 89.43%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 28.23%.
The average Lit volume has been 71.77%.

SID Volume by Exchange

NYSE Arca

NYSE

Nasdaq GSM

Cboe BZX

Off Exchange

IEX

Cboe EDGX

Cboe BYX

NYSE National

MEMX

Cboe EDGA