Robinhood's notional cryptocurrency trading volume dropped to $10.9 billion in July, down 33% from June and 62% from a year earlier, The Block reported. Within that total, crypto trading volume on the Robinhood app fell 74% year over year to $4.3 billion, while Bitstamp's volume declined 45% to $6.6 billion. The figures point to weaker retail and platform trading activity across Robinhood's crypto businesses during the month.