Stop-loss or stop-limit order: - Which order to use?


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Mark P. Cussen

11 May, 2018

in Day Trading & Scalping and 1 more

Traders and investors who seek to limit potential losses can use several types of orders to get them into and out of the market at times when they may not be able to place an order manually. Stop-loss orders and stop-limit orders are two tools that can accomplish this, but it is critical to understand the difference between the two similar sounding orders.

Stop-Loss Orders
There are two types of stop-loss orders.

1) Sell-stop orders protect long positions by triggering a market sell order if the price falls below a certain level. The underlying assumption behind this strategy is that if the price falls this far, it may continue to fall much further, so the loss is capped by selling at this price.

For example, let's say a trader owns 1,000 shares of ABC stock. He purchased the stock at $30 a share and it has risen to $45 on rumors of a potential buyout. He wants to lock in a gain of at least $10 per share, so he places a sell-stop order at $41. If the stock drops back below this price, then the order will become a market order and get filled at the current market price, which may be more (or more likely less) than the stop-loss price of $41. In this case, he might get $41 for 500 shares and $40.50 for the rest. But he will get to keep most of his gain.

2) Buy-stop orders are conceptually the same as sell stops except that they are used to protect short positions. A buy-stop order price will be above the current market price and will trigger if the price rises above that level.

Stop-Limit Orders
Stop-limit orders are similar to stop-loss orders, but as their name states, there is a limit on the price at which they will execute. There are two prices specified in a stop-limit order; the stop price, which will convert the order to a sell order, and the limit price. Instead of the order becoming a market order to sell, the sell order becomes a limit order that will only execute at the limit price or better.

Of course, there is no guarantee that this order will be filled, especially if the stock price is rising or falling rapidly. Stop-limit orders are sometimes used because, if the price of the stock or other security falls below the limit, then the investor does not want to sell and is willing to wait for the price to rise back to the limit price.

For example, let's assume ABC stock never drops to the stop-loss price, but it continues to rise and eventually reaches $50 a share. The trader cancels his stop-loss order at $41 and puts in a stop-limit order at $47 with a limit of $45. If the stock price falls below $47, then the order becomes a live sell-limit order. If the stock price falls below $45 before Frank’s order is filled, then the order will remain unfilled until the price climbs back to $45.

Many investors will cancel their limit orders if the stock price falls below the limit price because they placed them solely to limit their loss when the price was dropping. Since they missed their chance to get out, they will then simply wait for the price to go back up and may not wish to sell at that limit price at that point in case the stock continues to rise.

As with buy-stop orders, buy-stop-limit orders are used for short sales where the investor is willing to risk waiting for the price to come back down if the purchase is not made at the limit price or better.

Benefits and Risks
Stop-loss and stop-limit orders can provide different types of protection for investors. Stop-loss orders can guarantee execution, but not price. And price slippage frequently occurs upon execution. Most sell-stop orders are filled at a price below the strike price; the amount of difference depends on how fast the price is dropping. An order may get filled for a considerably lower price if the price is plummeting quickly.

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Re: Stop-loss or stop-limit order: - Which order to use?

Awesome Post!! I gained great knowledge about stop loss and stop limit. Appreciate your writing!

Jun 18, 2018

Member (25 posts)