Bitnomial, a Chicago-based derivatives exchange and clearinghouse regulated by the Commodity Futures Trading Commission (CFTC), has become the first U.S. registered derivatives clearing organization to accept stablecoins as margin collateral, the company said in a press release Tuesday. The firm announced support for Ripple USD (RLUSD) and XRP margin deposits on Tuesday, marking a new step in its expansion into digital asset-based collateral. The move builds on Bitnomial’s September 2025 launch of crypto ...

Crypto markets face $5.3 billion options expiry. | Credit: Photo by Spencer Platt/Getty Images. Key Takeaways $4.3 billion worth of Bitcoin options exhibit a 1.12 put/call ratio, signaling expectations of a price decline. Call options are bets that the price will go up (bullish); put options are bets that the price will go down (bearish). Historical trends indicate short-term market drops post-expiry, but Uptober could soften the bearish lean. A massive $5.3 billion in Bitcoin (BTC) and Ethereum ( ...