Bob Fulks <bfulks@xxxxxxxxxxxx> writes:
>For your S&P example, "It's normally 1100 bid 1100.10 ask", the spread on
>one contract is 0.10 x 1000 = $100.
The tick size in the S&P is actually $25: 0.10 x $250 = $25.
This may alter some of the subsequent quantitative arguments
on this thread.
Jim
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