Group 1 - The article highlights the significant trading activity in coking coal futures, indicating a concentrated area of transactions at 22:00 [1] - The Wykoff volume-price distribution tool is utilized to monitor the trading dynamics of coking coal, suggesting a focus on real-time market movements [1]

Group 1 - The article highlights the significant trading activity in the soda ash market, indicating a concentrated area of transactions for the main contract at 21:24 [1] - The Wyckoff volume-price distribution tool is mentioned as a key resource for monitoring soda ash trading dynamics [1]