The CBOT DowSM Complex also hit a complex record of 111,726 contracts March 5th. The CBOT Dow Complex consists of CBOT mini-sized Dow futures and options, DJIASM futures and options, and TMI Futures.
Both mini-sized Dow Futures Options & TMI Futures continue to grow in daily trading and open interest. Both products set trading and open interest records within the last week.
TMI Futures traded with bid/ask spreads the first two weeks ranging from .05 - .15 (1-3 ticks) normally 4 levels deep.
CBOT mini-sized Dow Options average at-the-money bid-offer spread is 6 ticks, average size at the bid and offer is 200 contracts.
Both mini-sized Dow Options & TMI Futures trade 100% electronically and are supported by multiple electronic market makers.