Starting April 14, Binance will gradually roll out the Spot Price Range Execution Rule (PRER), a mechanism that limits order execution within a price range around the current market price. The change applies to spot trading and is designed to prevent situations where an order is filled far from the market price.
PRER sets a dynamic range of acceptable execution prices relative to the current market value of a token. If a market buy order attempts to execute outside this range, it will be automatically canceled.
The exchange emphasizes that under normal market conditions, the mechanism does not affect everyday trading. It only kicks in when prices deviate sharply from the typical trading range — for example, during technical failures or manipulative activity.
The rollout of the rule will begin on April 14 and proceed gradually, with Binance promising a smooth transition without abrupt changes to the trading process.
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