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CPSO
Calamos S&P 500 Structured Alt Protection ETF - October
stock NYSE ETF

Market Open

Aug 5, 2026 11:50:22 AM EDT

28.14USD+0.036%(+0.01)5,006

28.05Bid 28.15Ask 0.10Spread

Pre-market

0.00USD0.000%(0.00)0

After-hours

0.00USD0.000%(0.00)0

Overview HistoricalDark Pool PrintsShortsTrends

CPSO Volume Aug 5, 2026 11:50:22 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	19.98	1,000	3.64
Cboe EDGX	17.98	900	4.86
Cboe BZX	17.98	900	2.09
Cboe EDGA	9.99	500	2.55
IEX	7.99	400	3.02
MEMX	7.99	400	2.64
NYSE National	4.00	200	1.39
CHX	4.00	200	0.93
MIAX Pearl	4.00	200	0.93
Off Exchange¹	2.12	106	52.32
NYSE American	2.00	100	0.55
NYSE	2.00	100	0.94
NYSE Arca	0.00	0	20.91
Cboe BYX	0.00	0	1.53
Nasdaq BX	0.00	0	1.00
Nasdaq PHLX	0.00	0	0.70

chartexchange.com

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

CPSO Nutrition Facts

3.94 servings per container

Serving size

1.27K

Calories

5.01K

% Day

% Avg

Nasdaq GSM 1K

19.98%

3.64%

Cboe EDGX 900

17.98%

4.86%

Cboe BZX 900

17.98%

2.09%

Cboe EDGA 500

9.99%

2.55%

IEX 400

7.99%

3.02%

MEMX 400

7.99%

2.64%

NYSE National 200

4.00%

1.39%

CHX 200

4.00%

0.93%

MIAX Pearl 200

4.00%

0.93%

Off Exchange¹ 106

2.12%

52.32%

NYSE American 100

2.00%

0.55%

NYSE 100

2.00%

0.94%

NYSE Arca 0

0.00%

20.91%

Cboe BYX 0

0.00%

1.53%

Nasdaq BX 0

0.00%

1.00%

Nasdaq PHLX 0

0.00%

0.70%

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

chartexchange.com

CPSO Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 106, which is 2.12% of today's total volume.
Today's Lit volume is 4,900, which is 97.88%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 52.32%.
The average Lit volume has been 47.68%.

CPSO Volume by Exchange

Nasdaq GSM

Cboe EDGX

Cboe BZX

Cboe EDGA

IEX

MEMX

NYSE National

CHX

MIAX Pearl

Off Exchange

NYSE American