Let’s talk about maintenance margin and leverage tiers.
When you increase leverage, the change will fail if your current position already exceeds the maximum notional value allowed at that leverage.
Honestly, I only figured this next bit out later: when checking a position, don’t just look at unrealized profit or loss—also keep an eye on whether the margin ratio is rising.
Quick check: $BTC is at 73580.01 (24h -2.11%).
Once you’ve set a stop-loss, stick to it. Don’t move it when the time comes.