Key Takeaways Robinhood launches micro futures for BTC, SOL and XRP to expand access to crypto derivatives. HOOD builds on Bitstamp deal and CME tie-up as crypto volume hits $11.7B in May. The move supports HOOD's broader futures push and may drive increased transaction volume.Robinhood Markets (HOOD) is expanding its crypto footprint with the launch of micro futures for Bitcoin (BTC), Solana (SOL) and XRP. Designed for retail traders, these smaller contracts lower the barrier to entry, requiring less cap ...