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SPYM
State Street SPDR Portfolio S&P 500 ETF
stock NYSE ETF

At Close

Mar 31, 2026 3:59:30 PM EDT

76.58USD+2.951%(+2.20)30,243,578

77.19Bid 77.21Ask 0.02Spread

Pre-market

Apr 1, 2026 8:00:34 AM EDT

77.20USD+0.816%(+0.63)1

After-hours

Mar 31, 2026 4:58:30 PM EDT

76.50USD-0.098%(-0.08)149,731

OverviewOptionsHistoricalExchange VolumeShortsTrends

SPYM Volume Mar 31, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	46.67	14,380,135	55.21
NYSE Arca	19.78	6,095,449	11.51
Nasdaq GSM	10.43	3,213,328	11.64
Cboe BZX	7.78	2,398,588	7.52
NYSE	5.80	1,788,318	5.03
Cboe EDGX	2.63	809,573	2.74
MIAX Pearl	1.82	559,681	1.67
MEMX	1.67	514,232	1.39
Cboe EDGA	0.98	300,676	0.58
IEX	0.91	281,347	1.24
Cboe BYX	0.49	151,984	0.30
NYSE National	0.32	100,125	0.46
Nasdaq PHLX	0.32	97,113	0.26
NYSE American	0.20	61,508	0.22
Nasdaq BX	0.18	56,169	0.17
24X National	0.02	6,689	0.02
CHX	0.00	501	0.04
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.

SPYM Nutrition Facts

1.46 servings per container

Serving size

21.09M

Calories

30.82M

% Day

% Avg

Off Exchange¹ 14M

46.67%

55.21%

NYSE Arca 6M

19.78%

11.51%

Nasdaq GSM 3M

10.43%

11.64%

Cboe BZX 2M

7.78%

7.52%

NYSE 2M

5.80%

5.03%

Cboe EDGX 810K

2.63%

2.74%

MIAX Pearl 560K

1.82%

1.67%

MEMX 514K

1.67%

1.39%

Cboe EDGA 301K

0.98%

0.58%

IEX 281K

0.91%

1.24%

Cboe BYX 152K

0.49%

0.30%

NYSE National 100K

0.32%

0.46%

Nasdaq PHLX 97K

0.32%

0.26%

NYSE American 62K

0.20%

0.22%

Nasdaq BX 56K

0.18%

0.17%

24X National 7K

0.02%

CHX 501

0.00%

0.04%

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

SPYM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 14,380,135, which is 46.67% of today's total volume.
Today's Lit volume is 16,435,281, which is 53.33%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 55.21%.
The average Lit volume has been 44.79%.

SPYM Volume by Exchange

Off Exchange

NYSE Arca

Nasdaq GSM

Cboe BZX

NYSE

Cboe EDGX

MIAX Pearl

MEMX

Cboe EDGA

IEX

Cboe BYX