Market Orders vs Limit Orders: When to Use Each
Using the wrong order type can cost you money. Learn the difference between market and limit orders, and when each is appropriate for your trading situation.
Key Takeaways
- ✓Market orders guarantee execution but not price — you may pay more or receive less than expected.
- ✓Limit orders guarantee price but not execution — the order may never fill if the market does not reach your limit.
- ✓For non-urgent trades, limit orders almost always provide better execution than market orders.
- ✓In volatile or illiquid markets, market orders carry significant risk of adverse fills (slippage).
Understanding order types is fundamental to trading effectively. The two most basic order types — market orders and limit orders — serve different purposes and carry different risks. Using the appropriate order type for each situation is a simple but powerful way to improve your execution and reduce trading costs.
Market Orders
A market order instructs your broker to buy or sell immediately at the best currently available price. The primary advantage is guaranteed execution — your order will be filled. The disadvantage is that you have no control over the exact fill price. In fast-moving or illiquid markets, the price you actually receive can differ significantly from what you saw on your screen when you placed the order.
Limit Orders
A limit order sets the maximum price you are willing to pay (for a buy) or the minimum price you are willing to accept (for a sell). Your order will only execute at your specified price or better. The advantage is complete price control. The disadvantage is that your order may not fill at all if the market does not reach your specified price level.
When to Use Each
| Situation | Recommended Order | Reason |
|---|---|---|
| Urgent exit (stop-loss triggered) | Market order | Execution speed is critical |
| Entering a position (non-urgent) | Limit order | Price control reduces cost |
| Buying a highly liquid stock | Market or limit | Spread is tight, minimal slippage risk |
| Buying an illiquid stock | Limit order | Wide spread increases slippage risk |
| Volatile market conditions | Limit order | Protects against price spikes |