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A market order prioritizes executing promptly at available prices; a limit order sets the worst price you will accept but may wait or never fill. Choose based on whether execution or price control matters more, and check the exchange’s preview and order details before submitting.
What is the difference between a market order and a limit order?
| What matters | Market order | Limit order |
|---|---|---|
| Instruction | Execute against available liquidity as soon as possible. | Buy at or below a specified maximum price, or sell at or above a specified minimum price. |
| Price | No single execution price is guaranteed; a large order or thin book can trade at several prices. | The execution price is bounded by the limit price or better. |
| Execution | Designed for prompt execution, subject to available liquidity and the platform’s controls. | May remain open, fill partially, or not fill if the market does not reach a compatible price. |
| Main trade-off | Execution speed can come with slippage. | Price control can mean waiting or missing the trade. |
A limit order is not necessarily placed away from the current market. If its price crosses existing orders, it may match immediately. Coinbase’s explanation of limit orders likewise notes that a chosen price does not guarantee execution: Coinbase: What is an order book?
Why can a market order execute at a different price than the one shown?
An order book lists outstanding buy and sell limit orders at different prices and quantities. The best visible bid and ask show only the top of that book; they may not represent enough quantity to fill your entire order. A market order can use up the quantity available at the best price and continue matching at less favorable levels. The resulting average execution price can therefore differ from the latest trade or an indicative price displayed before submission.
Coinbase describes this effect as slippage: depending on the volume and prices on its order book when a market order is posted, it may fill at a less favorable price than the most recent trade price. See Coinbase Help: Order management.
Spread and slippage are different
The bid-ask spread is the gap between the best available buy and sell prices. Slippage is the difference between an expected or recent price and the actual execution price as the order encounters liquidity. A displayed last trade is not a promise that your order can execute at that price.
When should you use each order type?
Use a market order when prompt execution is the priority
A market order may suit someone who values executing promptly over controlling the exact price. Before confirming, review the price preview, spread, available depth, and any slippage control the platform offers. A preview or safeguard is specific to that venue and product; do not assume every exchange treats it the same way.
Use a limit order when you have a price boundary
For a buy, the limit is the most you are willing to pay. For a sale, it is the least you are willing to accept. A buy limit below the current market or a sell limit above it may remain open until the market reaches a matching price. A limit order can also match immediately if its price is compatible with orders already available. Either way, the limit does not guarantee that the full quantity will execute.
Will a limit order fill immediately, partially, or not at all?
It depends on the limit price and available matching orders. If the order can match existing orders at the limit or better, it may execute at once. If only part of the quantity can match, the rest may remain open. If there is no matching activity, it can stay open without filling. Coinbase’s order-book explanation states that a limit order executes only if its price is reached, so execution is not guaranteed: Coinbase: What is an order book?
On Coinbase, funds reserved for an open order are held from the available balance until execution or cancellation. Check the order’s status and available balance before assuming an order failed or that its funds are free to use. Coinbase documents order monitoring and cancellation in Order management.
Does a limit order always have lower fees?
No. Fee treatment depends on the platform, product, fee tier, and how the order executes. In Coinbase Advanced Trade, fees distinguish orders that provide liquidity from those that take it; a limit order that immediately matches can take liquidity. The order-type label alone does not determine whether an order is a maker or taker. Coinbase describes this distinction in its Advanced Trade fee guidance.
Coinbase’s basic limit-order help page separately describes fees for that product, illustrating why one product’s terms should not be generalized to another: Coinbase Help: Order types. Check the current fee schedule and order preview for your venue, market, and region rather than assuming limit orders are always cheaper than market orders.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to place an order more carefully
- Choose the asset pair and side. Confirm which crypto asset you are buying or selling and the quote currency or asset involved.
- Select the order type. Choose market if prompt execution takes priority; choose limit to specify a maximum buy price or minimum sale price.
- Review the order details. Check quantity, estimated total, fees, spread, and any execution details or slippage controls shown by the platform.
- Confirm only after checking the preview. The actual controls, price display, and execution route vary by venue, product, and sometimes jurisdiction.
- Monitor an open limit order. Check whether it is open, partially filled, completed, or canceled before assuming the order or reserved funds are available for another trade.
Coinbase’s EEA policy describes distinct execution arrangements for its Simple Trade service and Advanced Trade, including order-book interaction and an additional price-improvement process for Advanced Trade. That is a product- and region-specific example, not a description of how all exchanges route orders: Coinbase EEA user agreement.
Order types explain trade mechanics; they do not determine whether buying or selling a particular asset is appropriate for you.
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