Glossary term
Stop-Limit Order
A stop-limit order becomes a limit order once a stop price is reached, giving price control but no guarantee of execution.
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What Is a Stop-Limit Order?
A stop-limit order is an order that becomes a limit order after a specified stop price is reached. It combines a stop trigger with a limit price, giving the investor more control over execution price than a stop order that becomes a market order.
The tradeoff is execution risk. Once triggered, the order will execute only at the limit price or better. If the market moves past the limit price too quickly, the order may not fill.
Key Takeaways
- A stop-limit order has both a stop price and a limit price.
- The stop price activates the order.
- The limit price sets the worst acceptable execution price.
- The order may not execute if the market moves through the limit.
- It can help control price, but it does not guarantee protection from losses.
How Stop-Limit Orders Work
For a sell stop-limit order, the stop price is usually below the current market price. If the security falls to the stop price, the order becomes a sell limit order. It will sell only at the limit price or higher.
For a buy stop-limit order, the stop price is usually above the current market price. If the security rises to the stop price, the order becomes a buy limit order. It will buy only at the limit price or lower.
Stop, Limit, and Stop-Limit Orders
Order Type | Trigger | Main Tradeoff |
|---|---|---|
Market order | Submitted immediately | Execution likely, price uncertain |
Limit order | Price must meet limit terms | Price control, no execution guarantee |
Stop order | Stop price triggers a market order | Execution likely after trigger, price uncertain |
Stop-limit order | Stop price triggers a limit order | Price control after trigger, no execution guarantee |
Where It Can Help
A stop-limit order can be useful when an investor wants a trigger but refuses to accept a price beyond a certain point. It may be used to manage an exit from a stock position, enter a breakout trade, or avoid the price uncertainty of a stop-market order.
The order can also be useful in less liquid securities where a market order could execute far from the expected price. The limit provides a boundary.
Where It Can Fail
The main risk is that the order never fills. If a stock closes at $50, opens at $42 after bad news, and the investor had a sell stop at $48 with a limit of $47, the order may trigger but not execute if buyers are not available at $47 or better.
Stop-limit orders can also create a false sense of protection. They control the lowest acceptable sale price or highest acceptable purchase price, but they do not guarantee that a trade will happen.
The Bottom Line
A stop-limit order gives investors a trigger and a price boundary. It can reduce price uncertainty, but it replaces that uncertainty with the risk of no execution.