How stop loss orders generally work
A standard stop loss becomes a market order when the trigger price is reached, which means the fill price can differ from the trigger, sometimes significantly, in fast or gapping markets. A stop-limit variant instead becomes a limit order, which controls the fill price but may not execute at all if the market moves through the limit. Trailing stops adjust the trigger as the price moves in your favour. Understanding these mechanics matters more than any single broker's implementation, because the trade-offs are structural.
- A triggered stop market order can fill below the trigger price in a gap or fast market
- Stop-limit orders control fill price but risk not executing during sharp moves
- Trailing stops follow favourable price moves by a set distance you define


