When liquidity changes
Around news, rollover, holidays or thin sessions, fewer quotes or greater uncertainty can widen the bid–ask spread.
What it changes
Wider spreads can increase transaction costs and affect the price at which orders trigger or positions are marked. Check instrument rules and the relevant bid or ask price.
How to prepare
Monitor the calendar and product schedule, include variable costs in your plan and review execution records after a trade. No order type removes every execution risk.