焦煤主力合约日内大涨8%，现报1227元/吨

Group 1 - The core viewpoint of the article highlights a significant increase in the prices of coking coal and coke, with coking coal futures rising by 8% to 1227 yuan/ton, marking the highest level since November of the previous year [1] - Coke futures also experienced a notable increase of 5.26%, reaching 1810 yuan/ton [1]