Skip to main content
A Stop Market order waits until the asset price reaches your stop price, then executes immediately at market. The objective is certainty of execution: when your level breaks you are filled, at the cost of accepting whatever prices the book offers at that moment.

How it places orders

  • No trade executes at submission. The order waits until the asset price reaches your stop price.
  • With Stealth on (the default), Hyperdash infrastructure watches price and sends the order only once triggered, keeping it hidden until then. With Stealth off, the stop is placed publicly on-chain as a trigger order.
  • At trigger, a market order for the full size executes immediately, taking liquidity at the best available prices until filled.
  • The fill price is not guaranteed. In fast or thin markets the average fill can be worse than your stop price, since the order walks the book once triggered.

When to use it

  • Protect a position with a hard exit: when your level breaks you want out, not a resting order. Enable Reduce Only so it can only close the position.
  • Enter momentum trades where missing the move costs more than a few ticks of slippage.
  • Trade around events or thin books where price can gap through a limit price entirely.

Parameters

Example

You are long 400 HYPE from $41.00 and want a hard stop under support at $42.50. You place a sell Stop Market: stop $42.00, size 400 HYPE, Reduce Only on. If HYPE trades down to $42.00, the position is closed at market immediately, for example at an average of $41.96 in a normal book.
A stop market guarantees the exit, not the price. If capping your worst fill matters more, use a Stop Limit and accept the risk of resting unfilled.