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SPY
SPDR S&P 500 ETF Trust
stock NYSE ETF

At Close

Mar 12, 2026 3:59:59 PM EDT

666.05USD-1.520%(-10.28)107,875,078

666.01Bid 666.10Ask 0.09Spread

Pre-market

Mar 12, 2026 9:28:30 AM EDT

670.93USD-0.798%(-5.40)902,425

After-hours

Mar 12, 2026 4:58:30 PM EDT

666.90USD+0.127%(+0.85)9,530,449

OverviewOptionsHistoricalExchange VolumeShortsMore

SPY Volume Mar 12, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	39.69	43,197,084	32.42
NYSE Arca	19.85	21,605,376	21.24
Nasdaq GSM	18.75	20,405,886	23.65
Cboe BZX	5.95	6,477,450	5.43
Cboe EDGX	5.07	5,514,459	5.34
NYSE	3.48	3,787,762	3.43
MEMX	2.43	2,648,298	2.19
IEX	1.70	1,850,876	1.83
Cboe EDGA	0.77	836,236	0.83
Nasdaq PHLX	0.71	775,051	0.94
MIAX Pearl	0.60	650,049	0.70
Cboe BYX	0.47	514,476	0.61
CHX	0.20	219,161	1.04
NYSE American	0.13	137,480	0.13
Nasdaq BX	0.12	125,782	0.10
24X National	0.08	83,196	0.08
NYSE National	0.02	19,924	0.03
LTSE	0.00	50	0.00

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

SPY Nutrition Facts

1.25 servings per container

Serving size

86.92M

Calories

108.85M

% Day

% Avg

Off Exchange¹ 43M

39.69%

32.42%

NYSE Arca 22M

19.85%

21.24%

Nasdaq GSM 20M

18.75%

23.65%

Cboe BZX 6M

5.95%

5.43%

Cboe EDGX 6M

5.07%

5.34%

NYSE 4M

3.48%

3.43%

MEMX 3M

2.43%

2.19%

IEX 2M

1.70%

1.83%

Cboe EDGA 836K

0.77%

0.83%

Nasdaq PHLX 775K

0.71%

0.94%

MIAX Pearl 650K

0.60%

0.70%

Cboe BYX 514K

0.47%

0.61%

CHX 219K

0.20%

1.04%

NYSE American 137K

0.13%

Nasdaq BX 126K

0.12%

0.10%

24X National 83K

0.08%

NYSE National 20K

0.02%

0.03%

LTSE 50

0.00%

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

chartexchange.com

SPY Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 43,197,084, which is 39.69% of today's total volume.
Today's Lit volume is 65,651,512, which is 60.31%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 32.42%.
The average Lit volume has been 67.58%.

SPY Volume by Exchange

Off Exchange

NYSE Arca

Nasdaq GSM

Cboe BZX

Cboe EDGX

NYSE

MEMX

IEX

Cboe EDGA

Nasdaq PHLX

MIAX Pearl