Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) Holdings $26.75 +0.06 (+0.22%) Closing price 04:10 PM EasternExtended Trading$26.74 0.00 (-0.02%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Holdings Stock AnalysisChartHoldingsShort InterestBuy This Stock Top 4 CPSU HoldingsRankCompanyCurrent PriceWeightShares Held14Spy 260529 C 4.07 4Spy 260529 C 4.07N/A103.93%19,80024Spy 260529 P 589.39 4Spy 260529 P 589.39N/A3.16%19,8003UsdN/A0.73%87,33344Spy 260529 C 632.61 4Spy 260529 C 632.61N/A-7.82%19,800 Geographic ExposureUnited States99.5%Currency ExposureUSD100.1%Sector ExposureCash or Derivatives0.5%Industry ExposureCash or Derivatives0.5%SubIndustry ExposureCash or Derivatives0.5% Related Companies and Tools Related Companies Tradr 2X Long SPY Quarterly ETF Holdings YieldMax Target 12 Big 50 Option Income ETF Holdings AllianzIM U.S. Equity 6 Month Floor5 Apr/Oct ETF Holdings ProShares Nasdaq-100 Dorsey Wright Momentum ETF Holdings Vesper U.S. Large Cap Short-Term Reversal Strategy ETF Holdings KraneShares China Alpha Index ETF Holdings iShares Large Cap Core Active ETF Holdings Direxion Daily Dow Jones Internet Bear 3x Shares Holdings Invesco QQQ Hedged Advantage ETF Holdings Calvert US Select Equity ETF Holdings This page (NYSEARCA:CPSU) was last updated on 10/14/2025 by MarketBeat.com Staff From Our PartnersREVEALED: Something Big Happening Behind White House DoorsWhat I just learned about what’s unfolding in the White House is truly stunning… And you need to see it for...Paradigm Press | SponsoredURGENT: The Market's 3 Red Flags Are FlashingHere’s the uncomfortable truth: The smartest investors in the world are already preparing for a crash befor...StockEarnings | SponsoredClaim Your Share of $5.39 BILLION in AI Equity ChecksThe U.S. government just took advantage of Public Law 81-774 to crack down on AI companies... 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