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发表于 2009-4-30 11:24 AM
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Copy from TDameritrade:
A Comparison of Stop Market and Stop Limit Orders
By placing a sell stop market order, you should understand that once the bid price is equal to, or lower than your stop price, a market order will be activated. Such orders can help to ensure that you will exit your position, but do not establish a price at which your stock will be sold.
By placing a sell stop limit order, you should understand that once the bid price is equal to, or lower than your stop price, a limit order will be activated. Such orders establish a minimum price at which the security will be sold, but you run the risk of not exiting the position if the stock moves quickly below the limit price. A stop-limit order is often placed with the same price for the activation and limit, but does not need to be so, and should be set according to your personal preference.
Examples
Assume Company XYZ is trading at $46 per share, and Bill and John are each long 100 shares of XYZ. Let's look at the benefits and drawbacks of stop market orders and stop limit orders by looking at a few possible scenarios.
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