Economic calendars flag releases that can move rates quickly. Around those windows, liquidity can shift and spreads may widen. Slippage means your fill differs from the price you saw when you clicked.
Some traders reduce size or stay flat ahead of major prints; others specialize in fast markets. Either path benefits from a written plan: what you will trade, when you will avoid trading, and how you will record outcomes.
No strategy removes market risk. This overview is not a signal service.