Morgan Stanley revealed a 0.14% annualized sponsor fee for its proposed spot bitcoin ETF in an S-1 filing, which would make it the cheapest such product in the U.S. if approved.The fee undercuts Grayscale’s Bitcoin Mini Trust, currently the low-cost leader at 0.15%, and sits 11 basis points below BlackRock’s iShares Bitcoin Trust at 0.25%.Bloomberg ETF analyst James Seyffart called the pricing a “big move” and predicted a launch in early April.