According to Jin10, the Dalian Commodity Exchange said coke options will begin trading on September 2, 2026, with call auction trading from 8:55 a.m. to 9:00 a.m. and the market opening at 9:00 a.m. That evening, coke options will also start night-session trading. The position limit for coke options will be 5,000 lots, and the limits will be applied separately from coke futures. For non-futures-company members and clients, the sum of long positions in call options and short positions in put options, as well as the sum of long positions in put options and short positions in call options, in options contracts for a given month must each not exceed the position limit for the option product. Positions under actual control relationships will be counted together.