More info:
The reason for the move to 1/2's and 1/4's is to get these contracts in line with the cash market.
Since this came out of nowhere (like the new exchange announcement) and the cash and the futures haven't been in line for years, this may be a preemptive strike by the CME against...
1. Surprise or no surprise, the cut is already baked in.
2. Cuts have not helped thus far.
3. If anything, a surprise will cause the market to sell further due to panic.