Update on the Collateral Ratio Under Portfolio Margin and the Leverage & Margin Tiers of USDⓈ-M Perpetual Contracts (2025-09-09 & 2025-09-12)

Binance has announced updates to collateral ratios and leverage tiers for USDⓈ-M perpetual contracts, but the specific changes for September 9 and 12 aren't detailed in recent announcements. However, here's what we know about recent updates ¹ ²:

- *Previous Updates*: Binance updated collateral ratios for assets under Portfolio Margin on July 22 and 25, 2025, and adjusted leverage and margin tiers for certain USDⓈ-M perpetual contracts.

- *Affected Assets*: Previous updates impacted assets like SOLUSDT, PUNDIXUSDT, NILUSDT, NMRUSDT, TRUUSDT, CVCUSDT, CELRUSDT, CTKUSDT, RLCUSDT, and SPKUSDT.

- *Leverage and Margin Tiers*: Binance adjusts leverage tiers from 1x to 75x, and maintenance margin rates range from 1.00% to 50.00%, depending on the contract and position size.

To stay informed about the latest updates, I recommend:

- *Checking Binance's Official Announcements*: Visit Binance's website for the latest news and updates on collateral ratios and leverage tiers.

- *Monitoring Unified Maintenance Margin Ratio (uniMMR)*: Keep a close eye on uniMMR to avoid unexpected liquidations.

- *Adjusting Portfolio Strategies*: Proactively adjust your portfolio to accommodate revised collateral and leverage parameters.

For more information, refer to Binance's official website and announcements ³.