Binance to Implement Orderbook EWMA Price Index on TradFi Perpetual Contracts

According to the announcement from Binance, the platform will introduce a new Orderbook EWMA price index calculation mode for equity-based TradFi perpetual contracts. This change is set to take effect on 2026-05-15 at 21:00 (UTC). The new calculation mode will replace the existing Fixed Mode during daily maintenance periods, weekends, and holidays. This update aims to enhance the user experience by providing a more dynamic and responsive pricing model. The Orderbook EWMA price index calculation mode will be applied to all existing equity-based TradFi perpetual contracts. Additionally, any new equity-based TradFi perpetual contracts listed on Binance Futures in the future will also adopt this pricing model. This adjustment is part of Binance's ongoing efforts to review and improve its product and service offerings. The change is detailed in a notice released under Binance Clearing Procedures, which should be referred to for the most accurate and updated information regarding this update. Binance emphasizes that in the event of any discrepancies between this notice and any Futures FAQs, the notice should be considered the authoritative source. Users are encouraged to refer to the original English version of the notice for the most accurate information, as there may be discrepancies in translated versions. This update reflects Binance's commitment to maintaining a high standard of service and ensuring that users have access to the most reliable and efficient trading tools available.