Dark

SAN
Banco Santander S.A.
stock NYSE ADR

At Close

Oct 31, 2025 3:59:54 PM EDT

10.16USD-0.975%(-0.10)2,608,653

10.12Bid 11.56Ask 1.44Spread

Pre-market

Oct 31, 2025 9:01:30 AM EDT

10.14USD-1.170%(-0.12)35,902

After-hours

Oct 30, 2025 4:54:30 PM EDT

10.25USD-0.097%(-0.01)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

SAN Volume Oct 31, 2025 3:45:01 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	46.74	977,965	44.21
Nasdaq GSM	20.33	425,394	14.31
NYSE	10.99	229,861	15.28
Cboe BZX	5.67	118,699	7.03
NYSE Arca	5.00	104,535	5.38
MEMX	3.22	67,277	1.67
IEX	2.95	61,757	5.08
Cboe EDGX	2.42	50,585	2.45
Cboe BYX	0.98	20,491	2.00
MIAX Pearl	0.92	19,149	0.62
Cboe EDGA	0.39	8,238	0.65
NYSE American	0.17	3,492	0.19
NYSE National	0.09	1,885	0.37
CHX	0.06	1,214	0.06
Nasdaq PHLX	0.06	1,192	0.09
Nasdaq BX	0.02	453	0.60

chartexchange.com

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

SAN Nutrition Facts

0.65 servings per container

Serving size

3.23M

Calories

2.09M

% Day

% Avg

Off Exchange¹ 978K

46.74%

44.21%

Nasdaq GSM 425K

20.33%

14.31%

NYSE 230K

10.99%

15.28%

Cboe BZX 119K

5.67%

7.03%

NYSE Arca 105K

5.00%

5.38%

MEMX 67K

3.22%

1.67%

IEX 62K

2.95%

5.08%

Cboe EDGX 51K

2.42%

2.45%

Cboe BYX 20K

0.98%

2.00%

MIAX Pearl 19K

0.92%

0.62%

Cboe EDGA 8K

0.39%

0.65%

NYSE American 3K

0.17%

0.19%

NYSE National 2K

0.09%

0.37%

CHX 1K

0.06%

Nasdaq PHLX 1K

0.06%

0.09%

Nasdaq BX 453

0.02%

0.60%

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

chartexchange.com

SAN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 977,965, which is 46.74% of today's total volume.
Today's Lit volume is 1,114,222, which is 53.26%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.21%.
The average Lit volume has been 55.79%.

SAN Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

Cboe BZX

NYSE Arca

MEMX

IEX

Cboe EDGX

Cboe BYX

MIAX Pearl

Cboe EDGA