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SPY
SPDR S&P 500 ETF Trust
stock NYSE ETF

At Close

Sep 19, 2025 4:00:11 PM EDT

663.55USD+0.195%(+1.29)97,945,620

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 19, 2025 9:28:30 AM EDT

662.73USD+0.071%(+0.47)594,169

After-hours

Sep 19, 2025 4:58:30 PM EDT

663.36USD-0.029%(-0.19)837,819

OverviewOptionsHistoricalExchange VolumeShortsMore

SPY Volume Sep 19, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	47.49	36,354,323	32.71
NYSE Arca	18.34	14,040,697	25.42
Nasdaq GSM	11.95	9,147,170	15.97
Cboe BZX	7.81	5,978,212	9.80
Cboe EDGX	4.09	3,130,073	4.94
CHX	3.00	2,296,479	2.27
IEX	1.81	1,387,462	1.77
MEMX	1.69	1,295,618	2.29
NYSE	1.61	1,232,917	1.99
MIAX Pearl	0.85	651,020	0.87
Cboe EDGA	0.50	384,054	0.81
Cboe BYX	0.40	306,033	0.42
Nasdaq PHLX	0.27	206,705	0.54
NYSE National	0.07	51,300	0.07
Nasdaq BX	0.06	49,063	0.07
NYSE American	0.05	36,012	0.07
LTSE	0.00	0	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

1.11 servings per container

Serving size

69.09M

Calories

76.55M

% Day

% Avg

Off Exchange¹ 36M

47.49%

32.71%

NYSE Arca 14M

18.34%

25.42%

Nasdaq GSM 9M

11.95%

15.97%

Cboe BZX 6M

7.81%

9.80%

Cboe EDGX 3M

4.09%

4.94%

CHX 2M

3.00%

2.27%

IEX 1M

1.81%

1.77%

MEMX 1M

1.69%

2.29%

NYSE 1M

1.61%

1.99%

MIAX Pearl 651K

0.85%

0.87%

Cboe EDGA 384K

0.50%

0.81%

Cboe BYX 306K

0.40%

0.42%

Nasdaq PHLX 207K

0.27%

0.54%

NYSE National 51K

0.07%

Nasdaq BX 49K

0.06%

0.07%

NYSE American 36K

0.05%

0.07%

LTSE 0

0.00%

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

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SPY Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 36,354,323, which is 47.49% of today's total volume.
Today's Lit volume is 40,192,815, which is 52.51%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 32.71%.
The average Lit volume has been 67.29%.

SPY Volume by Exchange

Off Exchange

NYSE Arca

Nasdaq GSM

Cboe BZX

Cboe EDGX

CHX

IEX

MEMX

NYSE

MIAX Pearl

Cboe EDGA