Dark

SPY
SPDR S&P 500 ETF Trust
stock NYSE ETF

Market Open

Aug 15, 2025 3:46:51 PM EDT

643.92USD-0.160%(-1.03)53,039,184

643.81Bid 643.93Ask 0.12Spread

Pre-market

Aug 15, 2025 9:28:30 AM EDT

646.09USD+0.177%(+1.14)475,787

After-hours

Aug 14, 2025 4:58:30 PM EDT

644.86USD+0.025%(+0.16)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

SPY Volume Aug 15, 2025 3:25:03 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	31.91	15,627,788	29.11
NYSE Arca	23.32	11,420,543	24.65
Nasdaq GSM	13.44	6,581,210	14.40
Cboe BZX	11.45	5,610,231	10.06
CHX	9.78	4,790,328	2.24
Cboe EDGX	3.75	1,835,655	5.36
NYSE	1.49	729,729	3.59
IEX	1.39	681,675	1.69
MEMX	1.35	662,640	3.70
Cboe EDGA	0.85	416,607	1.15
Nasdaq PHLX	0.55	270,925	0.62
MIAX Pearl	0.31	151,011	2.43
Cboe BYX	0.29	141,276	0.59
NYSE American	0.06	29,095	0.11
Nasdaq BX	0.05	24,935	0.07
NYSE National	0.01	4,941	0.24
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.

SPY Nutrition Facts

0.71 servings per container

Serving size

69.01M

Calories

48.98M

% Day

% Avg

Off Exchange¹ 16M

31.91%

29.11%

NYSE Arca 11M

23.32%

24.65%

Nasdaq GSM 7M

13.44%

14.40%

Cboe BZX 6M

11.45%

10.06%

CHX 5M

9.78%

2.24%

Cboe EDGX 2M

3.75%

5.36%

NYSE 730K

1.49%

3.59%

IEX 682K

1.39%

1.69%

MEMX 663K

1.35%

3.70%

Cboe EDGA 417K

0.85%

1.15%

Nasdaq PHLX 271K

0.55%

0.62%

MIAX Pearl 151K

0.31%

2.43%

Cboe BYX 141K

0.29%

0.59%

NYSE American 29K

0.06%

0.11%

Nasdaq BX 25K

0.05%

0.07%

NYSE National 5K

0.01%

0.24%

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 15,627,788, which is 31.91% of today's total volume.
Today's Lit volume is 33,350,801, which is 68.09%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 29.11%.
The average Lit volume has been 70.89%.

SPY Volume by Exchange

Off Exchange

NYSE Arca

Nasdaq GSM

Cboe BZX

CHX

Cboe EDGX

NYSE

IEX

MEMX

Cboe EDGA

Nasdaq PHLX