Any traders aware of the new internalization rules applied by WTS. Seems that to eliminate wash trades, fills between traders using WTS are hit by a flag XA9 or XR9 and instead of getting a rebate will pay a $1 per 1000 shares fee. Has anyone noticed this in their accounting, and if so what % of fills does it amount to. Is this temporary or for keeps. I trade mostly for credits and this will affect my P/L significantly I'd appreciate any comment.