Volatility equals profits for these large wall street banks that trade in various markets so it should not be surprising that they continue to look to get involved in bitcoin as that market continues to mature which has added liquidity almost globally. The sad part is that they will surely trade against retail clients and could actually put a cap on the potential of prices unless more products (like an ETF are offered to create demand). The typical retail investors does not use Swaps as they are more complex products to manage and settle.