[Binance Announces Important Update on Price Index Calculation Model for Commodity-Based TradFi Perpetual Contracts] According to an official announcement, Binance has released an important update regarding the price index calculation model for commodity-based TradFi perpetual contracts. Starting from 05:00 (UTC+8) on May 9, 2026, Binance will adopt the Order Book EWMA (Exponentially Weighted Moving Average) price index calculation model to replace the fixed model for calculating the price index of commodity-based TradFi perpetual contracts during daily maintenance, holidays, and weekends. The Order Book EWMA price index calculation model will be applied to all commodity-based TradFi perpetual contracts, including XAAmericaDT, XAGUSDT, XPTUSDT, XPDUSDT, COPPERUSDT, CLUSDT, BZUSDT, NATGASUSDT, as well as future commodity-based TradFi perpetual contracts to be listed on Binance Futures.