I also know floor brokers/traders who will take "spread" orders on the zc/yc. If you've arbed a position but are neutral, you can give them a B 5 EXC / S 1 ZC Even or with a .25 slippage. Last time I was down there, some guys in the full size ag pits will go over to the mini ag pits to get stuff done as the mini's are open til 1:45 I believe...