coinm

On June 15, Binance will upgrade the position mode for COIN-M perpetual contracts, unifying the position modes for both COIN-M and U-based markets.
To put it simply: If you have different settings on both sides (like opening a hedge in U-based and a directional trade in COIN-M), after the upgrade, COIN-M will automatically align with your U-based settings. Switching from directional to hedge is basically unaffected, but going from hedge to directional could cause big issues—if you're holding both long and short positions in the same coin, both sides will liquidate, leaving only the net position, and then you'll have to reopen a new position.
Heads up: During the upgrade, opening orders might experience intermittent drops, and all pending orders (including take profit and stop loss) will be canceled. It's recommended to manually align everything before June 15, so don't let it handle it automatically.