Slippage is defined as the difference between the Mark Price and the fill price - the actual price at which your trade is executed.
Since Omni aggregates liquidity from the wider market, factors like volatility, market depth, and even whether you're trading on a weekday or weekend can impact your execution costs.
Slippage most frequently occurs with Market Orders (and therefore TP/SL orders), which execute immediately at the best available price.
We recommend setting stricter slippage limits to minimize slippage, or use Limit Orders to have complete control over the entry/exit price of your trades.