Calamos Nasdaq – 100 Structured Alt Protection ETF – June (NYSEARCA:CPNJ – Get Free Report) saw a large growth in short interest in the month of July. Calamos Nasdaq – 100 Structured Alt Protection ETF – June Trading Down 0.3%NYSEARCA CPNJ opened at $27.29 on Thursday. Calamos Nasdaq – 100 Structured Alt Protection ETF – June has a fifty-two week low of $26.23 and a fifty-two week high of $29.91. Calamos Nasdaq – 100 Structured Alt Protection ETF – June Company ProfileThe Calamos 100 Structured Alt Protection ETF (CPNJ) is an exchange-traded fund that mostly invests in large cap equity. See AlsoReceive News & Ratings for Calamos Nasdaq - 100 Structured Alt Protection ETF - June Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Calamos Nasdaq - 100 Structured Alt Protection ETF - June and related companies with MarketBeat.com's FREE daily email newsletter.