Dark

IBM
International Business Machines Corporation
stock NYSE

At Close

May 21, 2025 3:59:30 PM EDT

260.85USD-2.285%(-6.10)3,749,745

259.30Bid 264.09Ask 4.79Spread

Pre-market

May 21, 2025 9:17:30 AM EDT

264.56USD-0.895%(-2.39)5,079

After-hours

May 21, 2025 4:15:30 PM EDT

260.87USD+0.008%(+0.02)13,718

OverviewOptionsHistoricalDark Pool LevelsShortsMore

IBM Volume May 21, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	50.55	1,897,205	45.19
NYSE	22.05	827,466	25.47
Nasdaq GSM	9.27	347,797	10.08
Cboe BZX	4.48	168,143	4.54
NYSE Arca	4.08	153,063	5.04
IEX	3.73	140,120	3.15
Cboe EDGX	1.84	68,913	2.50
MEMX	1.12	42,056	1.08
CHX	0.86	32,254	0.59
MIAX Pearl	0.46	17,239	0.34
Nasdaq BX	0.40	15,001	0.51
Cboe BYX	0.28	10,377	0.65
Cboe EDGA	0.27	10,173	0.27
NYSE National	0.26	9,599	0.24
NYSE American	0.20	7,587	0.13
Nasdaq PHLX	0.17	6,206	0.24
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.

IBM Nutrition Facts

0.79 servings per container

Serving size

4.76M

Calories

3.75M

% Day

% Avg

Off Exchange¹ 2M

50.55%

45.19%

NYSE 827K

22.05%

25.47%

Nasdaq GSM 348K

9.27%

10.08%

Cboe BZX 168K

4.48%

4.54%

NYSE Arca 153K

4.08%

5.04%

IEX 140K

3.73%

3.15%

Cboe EDGX 69K

1.84%

2.50%

MEMX 42K

1.12%

1.08%

CHX 32K

0.86%

0.59%

MIAX Pearl 17K

0.46%

0.34%

Nasdaq BX 15K

0.40%

0.51%

Cboe BYX 10K

0.28%

0.65%

Cboe EDGA 10K

0.27%

NYSE National 10K

0.26%

0.24%

NYSE American 8K

0.20%

0.13%

Nasdaq PHLX 6K

0.17%

0.24%

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

IBM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,897,205, which is 50.55% of today's total volume.
Today's Lit volume is 1,855,994, which is 49.45%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.19%.
The average Lit volume has been 54.81%.

IBM Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

Cboe BZX

NYSE Arca

IEX

Cboe EDGX

MEMX

CHX

MIAX Pearl

Nasdaq BX