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Calamos S&P 500 Structured Alt Protection ETF - September (NYSEARCA:CPST - Get Free Report) shares rose 0.3% during trading on Tuesday. The stock traded as high as $27.18 and last traded at $27.18. Approximately 6,342 shares traded hands during trading, an increase of 158% from the average daily volume of 2,462 shares. The stock

Calamos S&P 500 Structured Alt Protection ETF - September (NYSEARCA:CPST - Get Free Report)'s share price shot up 0.1% on Friday. The stock traded as high as $27.11 and last traded at $27.11. 1 shares traded hands during mid-day trading, a decline of 100% from the average session volume of 1,067 shares. The stock