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IBM
International Business Machines Corporation
stock NYSE

At Close

Aug 21, 2026 3:59:56 PM EDT

235.65USD+0.837%(+1.96)3,838,339

232.00Bid 246.65Ask 14.65Spread

Pre-market

Aug 21, 2026 9:27:30 AM EDT

234.20USD+0.218%(+0.51)3,811

After-hours

Aug 21, 2026 4:56:30 PM EDT

235.32USD-0.140%(-0.33)4,969

OverviewOptionsHistoricalDark Pool LevelsShortsMore

IBM Volume Aug 21, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	50.09	1,445,827	49.18
NYSE	19.95	575,867	20.51
Nasdaq GSM	6.83	197,224	7.19
NYSE Arca	5.09	146,799	7.05
IEX	4.48	129,234	3.88
Cboe BZX	4.36	125,950	3.83
CHX	4.17	120,409	0.91
Cboe EDGX	2.48	71,516	3.86
MEMX	1.12	32,418	1.81
MIAX Pearl	0.29	8,249	0.27
Cboe BYX	0.28	8,034	0.49
Cboe EDGA	0.23	6,585	0.26
Nasdaq BX	0.17	4,916	0.29
NYSE National	0.16	4,653	0.20
NYSE American	0.12	3,497	0.12
Nasdaq PHLX	0.12	3,338	0.11
24X National	0.06	1,684	0.02
LTSE	0.00	0	0.00
Texas Stock Exchange LLC	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

0.26 servings per container

Serving size

11.10M

Calories

2.89M

% Day

% Avg

Off Exchange¹ 1M

50.09%

49.18%

NYSE 576K

19.95%

20.51%

Nasdaq GSM 197K

6.83%

7.19%

NYSE Arca 147K

5.09%

7.05%

IEX 129K

4.48%

3.88%

Cboe BZX 126K

4.36%

3.83%

CHX 120K

4.17%

0.91%

Cboe EDGX 72K

2.48%

3.86%

MEMX 32K

1.12%

1.81%

MIAX Pearl 8K

0.29%

0.27%

Cboe BYX 8K

0.28%

0.49%

Cboe EDGA 7K

0.23%

0.26%

Nasdaq BX 5K

0.17%

0.29%

NYSE National 5K

0.16%

0.20%

NYSE American 3K

0.12%

Nasdaq PHLX 3K

0.12%

0.11%

24X National 2K

0.06%

0.02%

LTSE 0

0.00%

Texas Stock Exchange LLC 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 1,445,827, which is 50.09% of today's total volume.
Today's Lit volume is 1,440,373, which is 49.91%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 49.18%.
The average Lit volume has been 50.82%.

IBM Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

CHX

Cboe EDGX

MEMX

MIAX Pearl

Cboe BYX