That is a very good point and you do not have to worry about liquidity as its based on price and not the quantity of shares. Commissions are rather high and fees and limitations vary from broker to broker. If you go through Profunds to actually get the NTFs and not incur the transfer fees some brokers have you will be forced to limit yourself to only trading the Profunds line with your account and the $25k minimum. But if you are playing with a $1 mill account I don't see that as a concern. It's worth a shot. Good Luck
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