Tick size means the smallest amount the price can change, as defined
by the exchange. There is no point in a higher resolution as the
extra digits will always be zero.
I don't trade stocks but I believe sub-penny pricing is not
available to retail traders. You should verify the tick size of all
instruments you trade.
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?
Thanks, Stew.
So, are these tick sizes set in stone, or is there some
way--in TWS, the API, or otherwise--to lower the tick
size?
