Dark

SPY
SPDR S&P 500 ETF Trust
stock NYSE ETF

At Close

May 16, 2025 3:59:30 PM EDT

594.29USD+0.649%(+3.83)73,736,368

0.00Bid 0.00Ask 0.00Spread

Pre-market

May 16, 2025 9:28:30 AM EDT

591.39USD+0.158%(+0.93)864,908

After-hours

May 16, 2025 4:58:30 PM EDT

591.54USD-0.463%(-2.75)11,167,415

OverviewOptionsHistoricalExchange VolumeShortsMore

SPY Volume May 16, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	43.51	33,087,636	35.90
NYSE Arca	18.01	13,698,454	23.41
Nasdaq GSM	11.77	8,947,753	14.64
Cboe BZX	7.94	6,037,106	7.26
Cboe EDGX	5.36	4,074,922	5.66
CHX	3.54	2,689,735	2.73
NYSE	3.40	2,585,174	2.78
MEMX	3.13	2,380,450	1.99
IEX	1.06	803,596	1.59
Cboe EDGA	0.82	625,903	0.76
Nasdaq PHLX	0.55	414,608	1.18
MIAX Pearl	0.41	313,710	1.15
Cboe BYX	0.29	221,327	0.58
Nasdaq BX	0.09	70,485	0.23
NYSE American	0.08	61,959	0.09
NYSE National	0.05	36,640	0.06
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

0.83 servings per container

Serving size

91.89M

Calories

76.05M

% Day

% Avg

Off Exchange¹ 33M

43.51%

35.90%

NYSE Arca 14M

18.01%

23.41%

Nasdaq GSM 9M

11.77%

14.64%

Cboe BZX 6M

7.94%

7.26%

Cboe EDGX 4M

5.36%

5.66%

CHX 3M

3.54%

2.73%

NYSE 3M

3.40%

2.78%

MEMX 2M

3.13%

1.99%

IEX 804K

1.06%

1.59%

Cboe EDGA 626K

0.82%

0.76%

Nasdaq PHLX 415K

0.55%

1.18%

MIAX Pearl 314K

0.41%

1.15%

Cboe BYX 221K

0.29%

0.58%

Nasdaq BX 70K

0.09%

0.23%

NYSE American 62K

0.08%

0.09%

NYSE National 37K

0.05%

0.06%

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 33,087,636, which is 43.51% of today's total volume.
Today's Lit volume is 42,961,822, which is 56.49%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 35.90%.
The average Lit volume has been 64.10%.

SPY Volume by Exchange

Off Exchange

NYSE Arca

Nasdaq GSM

Cboe BZX

Cboe EDGX

CHX

NYSE

MEMX

IEX

Cboe EDGA

Nasdaq PHLX