A stop-limit order is a basic order type which issues a limit order once a specified price has been reached. This price level is known as the stop price, and when it is touched or surpassed, the stop-limit order becomes a limit order.
Stop-limit orders are conditional orders which combine the features of stop orders with those of limit orders. Stop-limit orders are not used solely for exiting positions and can be beneficial for entries as well. When entering a position, traders use stop-limit orders to determine where a limit order should be triggered. Conversely, traders also use stop-limit orders for exiting trades to help minimize risk and book profits.
Buy Stop-Limit Order vs Sell Stop-Limit Order
A buy stop-limit order must be entered above the current market price, and a sell stop-limit order must be entered below the current market price. If the stop price is not touched by the market’s current value, no subsequent limit order will be issued.
Once the stop price is touched, a limit order is issued at a predefined number of ticks away from the initial stop price. This combines the features of a stop order with those of a limit order.
Advantage of Stop-Limit Orders
The main benefit of using a stop-limit order is the precise control the trader has over where an order should be executed.
Stop-limit orders provide traders with the ability to specify a price where a limit order will be triggered. Once the market reaches this stop price, a limit order with a predefined number of ticks away from the stop price is then issued to the exchange.
Disadvantage of Stop-Limit Orders:
While stop-limit orders offer precise control over where orders will execute, they do not guarantee a fill.
If the security does not reach the specified stop price, no limit order will be issued to the exchange. Additionally, even if the stop price is reached and the limit order is issued, it will only fill if the market reaches the limit price with enough volume.
In this sense, opportunities to enter or exit the market could be missed with stop-limit orders.
Examples of Stop-Limit Orders
From the E-mini Nasdaq 100 futures (NQ) chart above, with the market currently trading at 7677.50, the buy stop-limit order at 7680.50 would require the market to move up to 7680.50 to trigger and would then issue a buy limit order.
On the other side of the market, the sell stop-limit order at 7676.75 would require the market to move down to 7676.75 to trigger and would then issue a sell limit order.
Learn more about basic order types in this quick video overview:
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