The DJCA SM is a price-weighted index of 65 companies that comprise the stocks included in the Dow Jones Industrial Average SM , the Dow Jones Transportation Average SM and the Dow Jones Utility Average SM . Contract Months March, June, September, and December. The trading day preceding the final settlement day. The third Friday of the contract month. Settlement Cash settlement on the final settlement day.
Price limits are effective only for limit moves below the previous day's close.
Daytime price limits are coordinated with NYSE circuit-breakers. All price limits are recomputed at the beginning of every quarter.