Why is someone else’s liquidation price different when we opened positions at the same price?
It’s worth understanding how liquidation prices work.
High-leverage positions start with very little initial margin. After maintenance margin is deducted, there’s even less room to absorb losses, so the liquidation price is close to the entry price.
Beginners should start with low leverage and small amounts.
For a real-time reference: $BTC is quoted at 80674.7, down 1.66% over 24 hours.

Just sharing some thoughts—don’t take this as advice.