Please help me if my math is incorrect...
For example, the SPY trades approx. 70 million shares a day at approx. $300 per share
So, 70,000,000 shares at $300 each = $21,000,000,000 daily trading amount
$21,000,000,000 x .005% = $105,000,000 per day in tax
$105,000,000 x approx. 230 trading...