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SPY
SPDR S&P 500 ETF Trust
stock NYSE ETF

At Close

Aug 17, 2026 4:00:01 PM EDT

772.64USD-0.477%(-3.70)34,356,577

745.92Bid 792.07Ask 46.15Spread

Pre-market

Aug 18, 2026 9:26:30 AM EDT

768.50USD-0.540%(-4.17)290,193

After-hours

Aug 17, 2026 4:59:30 PM EDT

772.41USD-0.030%(-0.23)864,551

OverviewOptionsHistoricalExchange VolumeShortsMore

SPY Volume Aug 18, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	45.20	15,524,595	44.35
NYSE Arca	16.42	5,639,102	17.68
Nasdaq GSM	12.93	4,440,124	14.16
Cboe BZX	7.54	2,590,773	6.02
Cboe EDGX	5.38	1,849,360	3.99
IEX	3.93	1,349,886	3.15
NYSE	3.02	1,037,027	2.71
MEMX	2.33	799,104	1.89
Cboe EDGA	0.74	253,419	0.65
MIAX Pearl	0.70	239,953	0.41
Cboe BYX	0.51	173,473	0.47
CHX	0.40	137,662	3.73
Nasdaq PHLX	0.39	135,416	0.43
Nasdaq BX	0.22	76,223	0.16
NYSE American	0.18	61,452	0.12
NYSE National	0.07	25,367	0.05
Texas Stock Exchange LLC	0.02	7,741	0.01
24X National	0.02	7,066	0.02
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

0.75 servings per container

Serving size

45.87M

Calories

34.35M

% Day

% Avg

Off Exchange¹ 16M

45.20%

44.35%

NYSE Arca 6M

16.42%

17.68%

Nasdaq GSM 4M

12.93%

14.16%

Cboe BZX 3M

7.54%

6.02%

Cboe EDGX 2M

5.38%

3.99%

IEX 1M

3.93%

3.15%

NYSE 1M

3.02%

2.71%

MEMX 799K

2.33%

1.89%

Cboe EDGA 253K

0.74%

0.65%

MIAX Pearl 240K

0.70%

0.41%

Cboe BYX 173K

0.51%

0.47%

CHX 138K

0.40%

3.73%

Nasdaq PHLX 135K

0.39%

0.43%

Nasdaq BX 76K

0.22%

0.16%

NYSE American 61K

0.18%

0.12%

NYSE National 25K

0.07%

0.05%

Texas Stock Exchange LLC 8K

0.02%

0.01%

24X National 7K

0.02%

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

SPY Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 15,524,595, which is 45.20% of today's total volume.
Today's Lit volume is 18,823,148, which is 54.80%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.35%.
The average Lit volume has been 55.65%.

SPY Volume by Exchange

Off Exchange

NYSE Arca

Nasdaq GSM

Cboe BZX

Cboe EDGX

IEX

NYSE

MEMX

Cboe EDGA

MIAX Pearl

Cboe BYX