
An all or none stock order is a type of order that allows you to buy or sell a specific number of shares, but if the entire quantity can't be filled, the order is cancelled.
This type of order is useful for traders who want to limit their exposure to the market and avoid partial fills.
For example, if you want to buy 100 shares of a stock but only 50 are available, the all or none order will cancel the entire order.
This approach can help you avoid buying a stock at an unfavorable price.
Additional reading: What Are Shares in Stocks
What Is All or None Stock Order
An all or none stock order is a type of order that ensures you buy or sell a specific number of shares at once, without any partial fills.
This order type is typically used for large transactions, such as buying 1,000 shares of a particular stock, to avoid impacting the market price.

If there aren't enough shares available to fill the entire order, the order will be canceled and no shares will be purchased, as seen in Example 1.
AON orders are most useful for stocks with liquid market demand, such as Apple Inc. (AAPL), as mentioned in Example 2.
This order type is also suitable for illiquid markets, where AON orders ensure that sufficient asset volumes are available for trading.
AON orders have several unique advantages, including the ability to ensure that deals either get executed or stay inactive, as discussed in Example 3.
In liquid markets with small profit margins, AON orders ensure that high currency volumes are invested to make meaningful profits.
AON orders are considered contingent orders because the trader gives instructions to the broker regarding how the order has to be filled, which affects how long the order remains active, as seen in Example 4.
Since AON orders have specifications, they can take longer to execute than normal orders, but they prevent partial fills, which is particularly useful when transacting with thinly traded securities.
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How It Works

An all or none stock order is a type of order that's only filled if the entire order is executed at the specified price.
To place an all or none order, you specify both the number of shares and the price required to fill the order, like in the example of buying 200 shares of Microsoft common stock at $100 per share.
If there are not enough shares available to fill the entire order, the order will be canceled and no shares will be purchased, as seen in the example of buying 1,000 shares of a particular stock.
All or none orders are typically used when investors want to ensure that they can buy or sell a large number of shares at once, rather than in smaller transactions that could potentially impact the market price.
The investor in the example of buying 10,000 Johnson & Johnson shares at $157 per share employed a strategic move by placing an All-or-None (AON) order, which communicates to the market that execution will only take place if all 10,000 shares are attainable at or below $157.
On a similar theme: How to Place an Order?

If any portion of the order exceeds this price point, even just one share, then none will be purchased and instead it remains pending until either full fulfillment becomes possible or cancellation from the investor occurs.
In the case of the cryptocurrency Y example, if the order receives information that cryptocurrency Y is sold at $2,000 but only offers 190 units, the deal will not execute.
Types of All or None Orders
In illiquid markets, AON orders ensure that deals either get executed or stay inactive, guaranteeing sufficient asset volumes.
There are two main scenarios where AON orders excel.
In liquid markets with small profit margins, such as the forex market with air-tight margins, AON orders are essential for high currency volumes to make meaningful profits.
AON orders are a great choice for both liquid and illiquid market conditions, depending on your specific needs.
Related reading: What Is a Market Stock Order
Using All or None Orders
An all or none order is typically used when investors want to ensure that they can buy or sell a large number of shares at once, rather than in smaller transactions that could potentially impact the market price.

In illiquid markets, AON orders are great for ensuring sufficient asset volumes. If there aren't enough shares available to fill the entire order, the order will be canceled and no shares will be purchased.
AON orders excel in volatile conditions, where prices rapidly fluctuate over short spans. This is because AON orders can secure a significant position at the target low and prevent partial execution at higher prices.
Strategically utilizing AON orders can exert a significant influence on trading, particularly in volatile markets or amidst precise price point targeting. AON orders conceal the total demand and thus reduce both market impact and price slippage.
Investors who manage significant volumes can effectively control market perception by using AON orders. This approach proves notably advantageous for institutional investors.
In fluctuating markets, AON orders ensure execution at targeted prices, making them invaluable for investors who need precision to align their trades with their investment objectives and market strategies.
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Benefits and Drawbacks

All or none stock orders have several benefits that make them an attractive option for traders. They can help minimize market impact by concealing the total order size, preventing significant price shifts that could arise from large public orders.
One of the main advantages of AON orders is that they provide certainty, ensuring that investors will only purchase or sell securities if the entire order can be filled at once. This reduces the risk of incomplete orders and gives investors more control over the execution of their orders.
AON orders are also useful in illiquid markets, where they can ensure sufficient asset volumes to satisfy trader needs. In such markets, AON orders can help traders acquire or liquidate substantial positions at predetermined prices.
However, AON orders also have some drawbacks. They can limit liquidity, as the order will only be filled if the entire order can be matched at once. This can make it more difficult to execute large orders.
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AON orders are also riskier, as they have a higher probability of being unfilled or canceled than regular market or limit orders. This is because the order will only be filled if the entire order can be matched at once, which can be challenging in volatile markets.
Here are some key pros and cons of AON orders:
Overall, AON orders can be a useful tool for traders who want to minimize market impact and provide greater control over their orders. However, they also require careful consideration of the potential drawbacks, including limited liquidity and higher execution risk.
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Closing Remarks
Before placing an all or none (AON) order, it's essential to understand its implications on your trading strategy. This order type can either be a game-changer or a risk-taker, depending on how you use it.
The AON order can be a powerful tool, but it can also harm your long-term trading strategies if not used carefully.
In order to make the most out of the AON order, it's crucial to investigate all the relevant details, such as the potential risks and rewards involved.
Frequently Asked Questions
What is the difference between Fok and AON?
Fill or Kill (Fok) and All or None (AON) orders differ in their execution requirements: Fok orders must be filled immediately or canceled, while AON orders must be filled entirely at once or not at all
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