The Four Stock Order Types
The four stock order types every trader should understand are:
- Market order: executes as quickly as possible at the best currently available price. Read the full guide →
- Limit order: executes only at your specified price or better. Read the full guide →
- Stop order: activates when a specified stop price is reached and then becomes a market order. Read the full guide →
- Stop-limit order: activates when a specified stop price is reached and then becomes a limit order. Read the full guide →
The central tradeoff is straightforward:
Market and stop orders prioritize execution. Limit and stop-limit orders prioritize price control.
A market order generally offers the greatest likelihood of execution but does not guarantee the price. A limit order controls the acceptable price but may never execute. A stop order becomes a market order after its trigger is reached, while a stop-limit order becomes a limit order and can remain unfilled.
Quick Answer: What Are the Main Types of Stock Orders?
A market order tells your broker to buy or sell immediately at the best available price.
A limit order tells your broker to buy or sell only at a specific price or better.
A stop order, sometimes called a stop-loss order, stays inactive until the stock reaches your stop price. It then converts into a market order.
A stop-limit order also activates at a stop price, but it converts into a limit order rather than a market order.
No order type is automatically best. The right choice depends on whether your priority is:
- Getting the trade completed
- Controlling the execution price
- Entering after a price breakout
- Exiting after a price decline
- Avoiding excessive slippage
- Managing the risk that an order never fills
Stock Order Types Comparison
| Order type | Main priority | What triggers execution? | Price guaranteed? | Execution guaranteed? | Common use |
|---|---|---|---|---|---|
| Market order | Speed and execution | Submitted immediately | No | Usually, but not absolutely | Entering or exiting liquid stocks quickly |
| Limit order | Price control | Market reaches the limit price or better | Yes, if executed | No | Buying below or selling above the current price |
| Stop order | Triggered execution | Market reaches the stop price | No | Usually after activation, but price may vary | Limiting losses or entering breakouts |
| Stop-limit order | Trigger plus price control | Market reaches stop, then limit conditions must be met | Yes, if executed | No | Controlling the worst acceptable price after activation |
The words “if executed” matter. A limit or stop-limit order can provide price protection, but the trade may remain partially filled or completely unfilled.
Market Order vs. Limit Order
The primary difference is what the order prioritizes.
Choose a market order when:
- Execution is more important than exact price
- The stock is actively traded
- The spread is narrow
- You need to enter or exit promptly
- You accept possible slippage
Choose a limit order when:
- Exact price control is more important
- You are willing to wait
- You are comfortable with the order not filling
- The stock has a wide spread
- You have a predefined entry or exit level
Need the trade completed now? Consider a market order. Need a specific price or better? Consider a limit order.
Stop Order vs. Stop-Limit Order
Both orders use a stop price, but they behave differently after activation.
Stop order, after activation:
- Becomes a market order
- Prioritizes execution
- Does not guarantee price
- Can experience slippage
Stop-limit order, after activation:
- Becomes a limit order
- Prioritizes price control
- Does not guarantee execution
- May remain unfilled during a rapid move
Priority is getting out after the stop triggers: a stop order offers a greater likelihood of execution, but the final price may be worse than expected. Priority is refusing to sell below a specific price: a stop-limit order offers price control, but you could remain in a falling position.
Which Stock Order Type Should You Use?
| Trading objective | Order type commonly considered |
|---|---|
| Buy a liquid stock immediately | Market order |
| Sell a liquid stock immediately | Market order |
| Buy only at or below a target price | Buy limit order |
| Sell only at or above a target price | Sell limit order |
| Exit after the stock falls to a trigger | Sell stop order |
| Enter after the stock rises through resistance | Buy stop order |
| Trigger an exit but refuse a price below your minimum | Sell stop-limit order |
| Trigger a breakout entry but cap the purchase price | Buy stop-limit order |
This table is educational rather than a personalized recommendation. The right order depends on the security, liquidity, spread, volatility, trade size, market session, strategy, and your broker's rules.
How Time-in-Force Affects Stock Orders
Order type determines how an order executes. Time-in-force determines how long it stays active.
- Day order
- Stays active for the current trading day. If unfilled, it generally expires after the applicable session.
- Good-til-canceled (GTC) order
- Stays active until it executes, expires under the broker's policy, or is canceled. GTC duration is broker-specific — it doesn't necessarily stay active forever.
- Immediate-or-cancel order
- Attempts to execute immediately. Any unfilled portion is canceled.
- Fill-or-kill order
- Must execute immediately and completely, or be canceled.
- Market-on-open / market-on-close order
- Seeks execution near the official market opening or closing process. Brokerage deadlines and availability vary.
Confirm with your broker whether an order applies during regular hours only or extended hours too, when it expires, whether it's adjusted after dividends or corporate actions, and whether partial fills are permitted.
Common Stock Order Mistakes
- Assuming the last price is your execution price. The last traded price describes a previous transaction — it's not a promise your next trade executes there. Check the current bid, ask, spread, available share size and volume.
- Treating a stop price as a guaranteed exit price. A stop price activates the order. It does not guarantee the execution price.
- Assuming a limit order must fill when touched. A stock can trade at your limit price without filling your entire order — other orders may have priority, or too few shares may be available.
- Using market orders in illiquid stocks. A thin order book can cause a market order to execute across several price levels.
- Setting stops too close to normal volatility. A stop placed inside the stock's ordinary price movement can be triggered by routine noise rather than a meaningful breakdown.
- Making the stop-limit range too narrow. A small gap between stop and limit prices raises the chance the market moves beyond the limit before execution.
- Forgetting overnight gaps. A stock can open well above or below its previous close after earnings, regulatory decisions, analyst changes, corporate announcements, economic reports, or geopolitical events.
- Ignoring broker-specific rules. Available order types, trigger methods, expiration policies and extended-hours support vary by brokerage firm.
Frequently Asked Questions About Stock Order Types
What are the four main stock order types?
The four main stock order types are market orders, limit orders, stop orders and stop-limit orders. Market orders prioritize immediate execution, limit orders prioritize price control, stop orders activate a market order once a trigger price is reached, and stop-limit orders activate a limit order once a trigger price is reached.
What is the safest stock order type?
There is no universally safest stock order type. A limit order protects against paying or accepting an unacceptable price, but it may not execute. A market order is more likely to execute but can produce an unfavorable price. The right choice depends on whether execution or price control matters more for that trade.
What is the best order type for buying a stock?
A market order can make sense when immediate execution in a highly liquid stock matters most. A limit order can make more sense when the maximum purchase price matters more than immediate execution.
What is the best order type for selling a stock?
A market order generally prioritizes exiting quickly. A sell limit order prioritizes a minimum acceptable price. A stop order creates a triggered exit, while a stop-limit order creates a triggered exit with an added price restriction.
Are market orders or limit orders better for beginners?
Beginners should understand both. Market orders are simpler but expose the trader to price uncertainty. Limit orders provide more price control but introduce the possibility that the trade never executes.
Final Takeaway
The correct stock order type depends on what you're trying to control.
- Use a market order when execution speed is the priority.
- Use a limit order when the execution price is the priority.
- Use a stop order when you want a price level to trigger a market order.
- Use a stop-limit order when you want a price level to trigger an order with a defined price boundary.
Every order involves a tradeoff between price, speed and certainty. Before placing a live trade, define your entry price, the price at which your thesis becomes invalid, your maximum acceptable buy price, your minimum acceptable sell price, whether execution or price control matters more, and what could happen if the stock gaps past your selected level.