Calamos S&P 500 Structured Alt Protection ETF - September (CPST) IV/HV History

Comparing implied volatility to historical (realized) volatility reveals whether options are priced rich or cheap relative to actual price movement. Persistent gaps can signal trading opportunities.

Calamos S&P 500 Structured Alt Protection ETF - September (CPST) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $32.5M, listed on AMEX, employing roughly 164 people, carrying a beta of 0.18 to the broader market. Under normal market conditions, the fund will invest substantially all of its assets in FLexible EXchange Options ("FLEX Options") that reference the price performance of the SPDR®? Led by Darren Jamison, public since 2024-09-03.

IV/HV history compares implied volatility to realized volatility over time. No recent options activity for CPST as of 2026-10-15; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

Learn how implied vs realized volatility is reported and how to read the data →