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Immediate-Or-Cancel (IOC)

By: WEEX|2025/03/11 14:59:06
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Immediate-Or-Cancel (IOC) is a type of order used in trading that requires the order to be executed immediately or partially filled, with any unfilled portion being canceled right away. This order type is designed for traders who want to ensure that they enter or exit a position quickly, without leaving any lingering orders in the market. 

The primary feature of an IOC order is its urgency; it must be executed as soon as it is placed. If the order cannot be filled in its entirety at the moment it is submitted, the portion that cannot be filled will be canceled automatically. This makes IOC orders particularly useful in fast-moving markets where prices can change rapidly, allowing traders to capitalize on short-lived opportunities. 

For example, if a trader places an IOC order to buy 100 shares of a stock at a specific price and only 70 shares can be filled immediately, the order will execute for those 70 shares, while the remaining 30 shares will be canceled. This ensures that the trader does not end up with an open order that may not be filled later, which could result in missed opportunities. 

IOC orders are commonly used by day traders and those engaging in high-frequency trading strategies, as they help maintain control over trades and limit exposure to market fluctuations. Overall, Immediate-Or-Cancel orders provide a strategic approach for traders looking to execute trades quickly and efficiently while minimizing the risk of leaving unfilled orders in the market.

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