I'm currently only trading options, and while it is nice you have the additional order routing instructions, the commissions just aren't competitive. LS charges 20 cents / contract compared to 15 cents / contract with IBKR (for amounts over 100K contracts), and from what I'm seeing on your...
So, basically I'm doing a rebate trading strategy where I don't want a fill unless I'm getting a rebate on it. Maxrebate usually (and predictably) routes my order to 1 exchange with the biggest rebate as long as it's non-marketable, but if it's marketable on another exchange it unfortunately...