Dark

SAN
Banco Santander S.A.
stock NYSE ADR

At Close

May 8, 2026 3:59:57 PM EDT

12.29USD+0.903%(+0.11)5,988,826

0.00Bid 0.00Ask 0.00Spread

Pre-market

May 7, 2026 8:49:25 AM EDT

12.54USD+2.956%(+0.36)0

After-hours

May 5, 2026 4:17:30 PM EDT

11.95USD+0.632%(+0.07)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

SAN Volume May 8, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	36.13	2,163,722	39.36
NYSE	17.39	1,041,206	15.73
Nasdaq GSM	15.14	906,740	13.89
IEX	9.23	552,938	5.96
Cboe BZX	7.95	475,888	8.74
NYSE Arca	5.49	328,571	6.78
Cboe EDGX	2.89	172,871	3.32
Cboe BYX	2.71	162,046	2.11
MEMX	0.96	57,655	1.79
Cboe EDGA	0.76	45,402	0.65
NYSE National	0.64	38,222	0.73
NYSE American	0.31	18,688	0.13
MIAX Pearl	0.22	13,142	0.42
Nasdaq BX	0.11	6,389	0.28
CHX	0.05	2,861	0.07
24X National	0.02	1,300	0.01
Nasdaq PHLX	0.02	1,093	0.04

chartexchange.com

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

SAN Nutrition Facts

0.67 servings per container

Serving size

8.88M

Calories

5.99M

% Day

% Avg

Off Exchange¹ 2M

36.13%

39.36%

NYSE 1M

17.39%

15.73%

Nasdaq GSM 907K

15.14%

13.89%

IEX 553K

9.23%

5.96%

Cboe BZX 476K

7.95%

8.74%

NYSE Arca 329K

5.49%

6.78%

Cboe EDGX 173K

2.89%

3.32%

Cboe BYX 162K

2.71%

2.11%

MEMX 58K

0.96%

1.79%

Cboe EDGA 45K

0.76%

0.65%

NYSE National 38K

0.64%

0.73%

NYSE American 19K

0.31%

0.13%

MIAX Pearl 13K

0.22%

0.42%

Nasdaq BX 6K

0.11%

0.28%

CHX 3K

0.05%

0.07%

24X National 1K

0.02%

0.01%

Nasdaq PHLX 1K

0.02%

0.04%

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 2,163,722, which is 36.13% of today's total volume.
Today's Lit volume is 3,825,012, which is 63.87%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 39.36%.
The average Lit volume has been 60.64%.

SAN Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

Cboe BYX

MEMX

Cboe EDGA

NYSE National