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)2,613,802

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 31, 2025 4:51:30 PM EDT

10.17USD+0.098%(+0.01)5,086

OverviewOptionsHistoricalExchange VolumeShortsMore

SAN Volume Oct 31, 2025

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Exchange	Day%	Volume	30D%
Off Exchange¹	45.01	1,176,181	44.18
Nasdaq GSM	17.19	449,142	14.26
NYSE	16.49	430,871	15.40
Cboe BZX	5.87	153,465	7.03
NYSE Arca	4.33	113,149	5.36
IEX	3.19	83,460	5.07
MEMX	2.63	68,770	1.67
Cboe EDGX	2.02	52,730	2.44
Cboe BYX	1.37	35,799	2.00
MIAX Pearl	0.90	23,626	0.62
NYSE National	0.40	10,556	0.38
Cboe EDGA	0.33	8,560	0.64
NYSE American	0.13	3,492	0.19
Nasdaq PHLX	0.05	1,232	0.09
CHX	0.05	1,214	0.06
Nasdaq BX	0.03	854	0.60

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

SAN Nutrition Facts

0.81 servings per container

Serving size

3.23M

Calories

2.61M

% Day

% Avg

Off Exchange¹ 1M

45.01%

44.18%

Nasdaq GSM 449K

17.19%

14.26%

NYSE 431K

16.49%

15.40%

Cboe BZX 153K

5.87%

7.03%

NYSE Arca 113K

4.33%

5.36%

IEX 83K

3.19%

5.07%

MEMX 69K

2.63%

1.67%

Cboe EDGX 53K

2.02%

2.44%

Cboe BYX 36K

1.37%

2.00%

MIAX Pearl 24K

0.90%

0.62%

NYSE National 11K

0.40%

0.38%

Cboe EDGA 9K

0.33%

0.64%

NYSE American 3K

0.13%

0.19%

Nasdaq PHLX 1K

0.05%

0.09%

CHX 1K

0.05%

0.06%

Nasdaq BX 854

0.03%

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 1,176,181, which is 45.01% of today's total volume.
Today's Lit volume is 1,436,920, which is 54.99%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.18%.
The average Lit volume has been 55.82%.

SAN Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

Cboe BZX

NYSE Arca

IEX

MEMX

Cboe EDGX

Cboe BYX

MIAX Pearl

NYSE National