The race for the first US bitcoin ETF is heating upDado Ruvic/Reuters Bitcoin ETFs could be great for more speculative bets, an Edward Jones strategist said. "Everyone has that 5% that's lottery ticket money, but that's a great place to put it," Mona Mahajan told CNBC. Spot bitcoin ETF applications could be approved as soon as Wednesday. Spot bitcoin ETFs should offer a promising place for riskier bets, according to Edward Jones senior investment strategist Mona Mahajan."I think the bitcoin ETF is a great part of your speculative basket," she told CNBC on Wednesday morning.