Coking coal futures (contract 2609) reversed into gains, up 1.39% at 1,387.5
yuan/ton; trading value ~27.679 bln yuan. Open interest rose about 32.1k
contracts intraday, signaling notable position build. Coke futures (contract
2609) rose 1.51% to 2,015.5 yuan/ton; trading value ~1.809 bln yuan and open
interest climbed nearly 1.5k contracts, with volume and OI increasing in tandem.