Golden Finance reported that Calamos Investments, an asset management company, announced that it has submitted an application to the U.S. Securities and Exchange Commission (SEC) to launch a Bitcoin “structured-protection” ETF, aiming to use the options market to hedge up to 100% of Bitcoin’s downside. risk, providing investors with Bitcoin investment opportunities to mitigate the impact of high volatility. Calamos currently manages US$40 billion in assets, and in May this year it submitted an application for a Bitcoin “Buffer” ETF.