This is a general Binance Exchange Notice. Products and services referred to here may not be available in your region. Fellow Binancians, Binance constantly reviews its product and service offerings to ensure the best user experience for all users. Effective from 2026-05-15 21:00 (UTC), Binance will introduce Orderbook EWMA price index calculation mode on equity-based TradFi perpetual contracts to replace Fixed Mode during the daily maintenance period, weekends, and holidays. Notes: Orderbook EWMA price index calculation mode will be applied on all existing equity-based TradFi perpetual contracts and any new equity-based TradFi perpetual contracts to be listed on Binance Futures in the future. This information is released as a Notice under Binance Clearing Procedures. In case there is a discrepancy between this notice and any Futures FAQs, please refer to this notice for the most accurate and updated information. There may be discrepancies between this original content in English and any translated versions. Please refer to the original English version for the most accurate information, in case any discrepancies arise. Further Information: Perpetual Futures on Traditional Assets Binance Futures Contract Specifications Thank you for your support! Binance Team 2026-05-13