Dark

BLK
Blackrock, Inc.
stock NYSE

At Close

Oct 24, 2025 3:59:51 PM EDT

1137.42USD+1.147%(+12.90)560,594

0.00Bid 0.00Ask 0.00Spread

Pre-market

Oct 24, 2025 8:33:30 AM EDT

1142.00USD+1.554%(+17.48)271

After-hours

Oct 24, 2025 4:00:30 PM EDT

1136.63USD-0.069%(-0.79)5,306

OverviewOptionsHistoricalExchange VolumeShortsMore

BLK Volume Oct 24, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	45.30	253,258	45.88
NYSE	20.59	115,094	24.56
Nasdaq GSM	9.48	53,009	11.06
IEX	6.74	37,684	4.93
NYSE Arca	4.42	24,691	4.11
Cboe BZX	3.79	21,162	3.15
Cboe EDGX	2.70	15,081	1.70
CHX	1.97	10,996	0.79
MEMX	1.23	6,902	0.80
Cboe EDGA	1.06	5,918	0.85
Cboe BYX	0.91	5,087	0.74
MIAX Pearl	0.67	3,720	0.22
Nasdaq PHLX	0.46	2,571	0.25
Nasdaq BX	0.39	2,186	0.49
NYSE National	0.26	1,473	0.32
NYSE American	0.04	233	0.15
LTSE	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.

BLK Nutrition Facts

0.88 servings per container

Serving size

637.59K

Calories

559.07K

% Day

% Avg

Off Exchange¹ 253K

45.30%

45.88%

NYSE 115K

20.59%

24.56%

Nasdaq GSM 53K

9.48%

11.06%

IEX 38K

6.74%

4.93%

NYSE Arca 25K

4.42%

4.11%

Cboe BZX 21K

3.79%

3.15%

Cboe EDGX 15K

2.70%

1.70%

CHX 11K

1.97%

0.79%

MEMX 7K

1.23%

0.80%

Cboe EDGA 6K

1.06%

0.85%

Cboe BYX 5K

0.91%

0.74%

MIAX Pearl 4K

0.67%

0.22%

Nasdaq PHLX 3K

0.46%

0.25%

Nasdaq BX 2K

0.39%

0.49%

NYSE National 1K

0.26%

0.32%

NYSE American 233

0.04%

0.15%

LTSE 0

0.00%

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

chartexchange.com

BLK Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 253,258, which is 45.30% of today's total volume.
Today's Lit volume is 305,807, which is 54.70%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.88%.
The average Lit volume has been 54.12%.

BLK Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

CHX

MEMX

Cboe EDGA

Cboe BYX