Many people start trading crypto without even understanding how to place orders, and rush straight into studying price movements.
The result: you pay too much when you want to buy, can’t sell when you want to, and start panicking whenever the market moves.
Today, let’s clarify the two most basic order types: market orders and limit orders.
1. Market orders: I want the order filled quickly and don’t mind the exact price
A market order is simply an order to buy or sell as quickly as possible at the available prices in the current market.
Here’s an example.
Suppose the sell side of a coin’s order book looks like this:
100 USDT: 1 unit
101 USDT: 2 units
102 USDT: 5 units
Now, you place a market buy order for 2 units.
If the order book doesn’t change before execution and no other orders are filled ahead of yours, you may buy 1 unit at 100 USDT and another at 101 USDT.
Total cost:
100 + 101 = 201 USDT.
Average execution price:
201 ÷ 2 = 100.5 USDT.
The lowest sell price you see is 100 USDT, but the final average execution price is 100.5 USDT.
That’s why a market order doesn’t guarantee execution at a particular price shown on your screen.
Note: This is a simplified example. In a real market, orders may change before or after you submit yours.
2. Limit orders: I’ll only accept this price or a better one
A limit order lets you set your own price. It will only be filled if the limit price conditions are met.
For example, suppose a coin is currently selling for 100 USDT.
You don’t want to pay more than 98 USDT, so you place a buy limit order at 98 USDT.
Three things could happen next:
First, if the market price stays above 98 USDT, your order may remain open without being filled.
Second, if the market price falls to around 98 USDT, your order may be filled, but that still depends on the order book, execution priority, and available liquidity.
Third, if the market price drops straight from 100 USDT to 95 USDT, your order still may not be filled at 98 USDT. Prices can move quickly, and execution may also depend on market depth and how orders are matched.
Remember: A limit order lets you control the price you’re willing to accept, but it doesn’t guarantee execution.
3. Market orders vs. limit orders: Which should you choose?
Don’t simply assume that market orders are bad and limit orders are always better.
They solve different problems.
Market orders prioritize getting filled quickly, but the actual execution price may differ from what you expected.
Limit orders prioritize the execution price, but you may not get the chance to have your order filled.
If you’re in a hurry to close your position, you may care more about getting the order filled quickly. If you simply want to buy at a certain price and are willing to wait, a limit order may better suit your needs.
But keep in mind that in extreme market conditions, even a market order is not guaranteed to be filled immediately or in full. A limit order may also remain unfilled for a long time due to insufficient liquidity.
4. Three mistakes beginners make most often
Mistake 1: Your limit order doesn’t get filled, so you keep raising your buy price.
You planned to buy at 98 USDT, but the market keeps rising, so you keep changing your price to 99, 100, and 101.
In the end, your trading plan has turned into chasing the rally.
Before placing an order, think clearly about why you’re buying and what the highest price you’re willing to pay is, rather than repeatedly changing your order just because the price is rising.
Mistake 2: Treating limit orders as a way to guarantee profits.
A limit order can only limit the execution price. It cannot guarantee that the price will rise after you buy, or that you’ll be able to sell when you want to.
A suitable price doesn’t mean the investment outcome will necessarily be suitable.
Mistake 3: Ignoring fees and slippage.
Even if the execution price meets your expectations, you still need to account for fees. With market orders, you also need to consider order book depth and potential slippage.
If you trade frequently, trading costs will continue to add up.
5. A simple way for beginners to decide
Before placing an order, ask yourself three questions:
Do I care more about getting filled quickly or about the execution price?
If the price keeps changing, am I still willing to trade according to my current plan?
If my order doesn’t get filled, do I have a clear plan for what to do?
If you can’t answer all three questions, don’t rush to place an order.
Beginners with limited funds especially don’t need to jump into every market move. Doing so may cause them to overlook trading rules and risk management.
To sum up:
Market orders prioritize getting filled quickly, but don’t guarantee a specific execution price.
Limit orders prioritize controlling the price you’re willing to accept, but don’t guarantee execution.
What really matters isn’t which order type is better, but whether you understand why you’re placing the order and what could happen in the worst-case scenario.
If you’ve made it this far, it means you genuinely want to learn something, rather than simply trying your luck in crypto.
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