# Order Types Explained

> Market, limit, stop, stop-limit and trailing stop orders explained with examples. Learn what each order does, when to use it and the mistakes to avoid.

Source: https://learn.tradelabsai.com/orders/order-types-explained/  
Track: Orders and Execution · Level: Beginner · Updated: 2026-10-03  
Publisher: TradeLabs AI (https://tradelabsai.com). Education, not financial advice.  
Cite as: TradeLabs Learn, "Order Types Explained", https://learn.tradelabsai.com/orders/order-types-explained/

An order is an instruction you give your broker: buy or sell, how much, and under what conditions. The order type is the "under what conditions" part, and it decides two things that pull against each other: **how certain you are to get filled** and **how certain you are about the price**. No order gives you both. Choosing the right one is the first skill every trader needs and one of the cheapest ways to improve results.

## The tradeoff behind every order

Picture the [Bid-Ask Spread](https://learn.tradelabsai.com/markets/bid-ask-spread/) for a stock: bid $49.98, ask $50.02.

- If you insist on trading **right now**, you take whatever price is available, the ask when buying or the bid when selling. You are certain to trade but not certain of the price.
- If you insist on **your price**, say $49.99, you place it and wait. You are certain of the price but not certain anyone will trade with you.

Every order type is a different way of balancing those two certainties.

## The five order types you will use most

| Order | What it does | Fill certain? | Price certain? | Typical use |
|---|---|---|---|---|
| Market | Trade now at the best available price | Yes | No | Getting in or out fast in a liquid market |
| Limit | Trade only at your price or better | No | Yes | Entries, taking profits, avoiding slippage |
| Stop | Becomes a market order once a trigger price trades | Yes, once triggered | No | Stop losses, breakout entries |
| Stop-limit | Becomes a limit order once a trigger price trades | No | Yes | Stops where you refuse a bad fill |
| Trailing stop | A stop that follows the price at a set distance | Yes, once triggered | No | Protecting profits as a trade moves your way |

### Market order

Buys at the ask or sells at the bid immediately, then keeps filling at worse prices if the first level is not big enough. Use it when getting filled matters more than a few cents. Avoid it in thin markets, at the open and during big news. Full lesson: [Market Orders](https://learn.tradelabsai.com/orders/market-orders/).

### Limit order

Sets the worst price you will accept. A buy limit at $49.95 fills at $49.95 or lower; a sell limit at $52.00 fills at $52.00 or higher. If the price never reaches your limit, nothing happens. Full lesson: [Limit Orders](https://learn.tradelabsai.com/orders/limit-orders/).

### Stop order

Sits dormant until the market trades at your stop price, then turns into a market order. A sell stop at $47.00 under a stock you own is the classic stop loss: if the price falls to $47.00, you get out at the next available price. In a fast drop, that may be well below $47.00. Full lesson: [Stop Orders](https://learn.tradelabsai.com/orders/stop-orders/).

### Stop-limit order

Like a stop, but it turns into a limit order instead of a market order. A sell stop at $47.00 with a limit at $46.50 triggers at $47.00 and then sells only at $46.50 or better. It protects you from a terrible fill, but in a crash it may not fill at all and you stay in a losing trade. Full lesson: [Stop-Limit Orders](https://learn.tradelabsai.com/orders/stop-limit-orders/).

### Trailing stop

A stop that moves up as the price rises (for a long position) but never moves down. With a $2.00 trail on a stock bought at $50.00, the stop starts at $48.00. If the stock climbs to $56.00, the stop rises to $54.00. If it then falls to $54.00, you sell. Full lesson: [Trailing Stop Orders](https://learn.tradelabsai.com/orders/trailing-stop-orders/).

*Figure: Limits sit on the side you hope the price reaches. Stops sit on the side you hope it does not, or where a breakout confirms.*

## A simple rule for where orders go

Beginners often mix up limit and stop orders. This rule clears it up:

- A **limit** order is placed where you would be **happy** to trade: buying below the current price, or selling above it.
- A **stop** order is placed where trading becomes **necessary**: selling below the current price to cut a loss, or buying above it to join a move.

If you place a buy limit above the current price, it will fill immediately, because the market already offers a better price. If you place a sell stop above the current price, it will trigger immediately. Most brokers warn you, but not all.

## How long an order lasts

Every order also has a time in force, which says how long it stays active:

- **Day:** cancelled automatically at the end of the session if not filled.
- **Good till cancelled (GTC):** stays until it fills or you cancel it, often with a limit of 60 to 90 days at many brokers.
- **Immediate or cancel (IOC)** and **fill or kill (FOK):** fill now or not at all.

These get their own lessons in [Time in Force: Day, GTC and GTD Orders](https://learn.tradelabsai.com/orders/time-in-force/) and [IOC and FOK Orders](https://learn.tradelabsai.com/orders/ioc-and-fok-orders/).

## Combining orders

Most trades need more than one order. A common setup is a [[bracket-orders|bracket order]]: one entry, plus a stop loss below and a profit target above. When either exit fills, the other is cancelled automatically, which is called one cancels other ([OCO Orders](https://learn.tradelabsai.com/orders/oco-orders/)). This lets you define your whole trade, including the worst case, before you enter.

**Example: One complete trade plan**
You want to buy a stock trading at $50.00 if it pulls back. You place a buy limit at $49.00. Attached to it: a sell stop at $47.50 (risking $1.50 per share) and a sell limit at $53.50 (targeting $4.50 per share). That is a 1 to 3 [Risk/Reward Ratio](https://learn.tradelabsai.com/risk/risk-reward-ratio/), set before any emotion gets involved.

## Common mistakes

- **Market orders on illiquid assets.** The spread and [Slippage](https://learn.tradelabsai.com/markets/slippage/) can cost more than the trade could make.
- **Stops placed exactly at obvious levels.** Round numbers and recent lows attract stop orders, and price often dips there briefly before reversing.
- **Using stop-limits as protection without understanding them.** A gap down can skip your limit and leave you holding the loss.
- **Forgetting open GTC orders.** An old order can fill weeks later when you have forgotten why you placed it.
- **Moving a stop further away after entry.** That changes the risk you agreed to. Move stops only in the direction that reduces risk.

## Key takeaways

- Every order trades off certainty of filling against certainty of price.
- Limits go where you would like to trade; stops go where you must trade.
- Plan exits with the entry, ideally as one bracket.

Start with the simplest order in [Market Orders](https://learn.tradelabsai.com/orders/market-orders/), then learn to name your price with [Limit Orders](https://learn.tradelabsai.com/orders/limit-orders/).

Some brokers also offer conditions such as [All or None Orders](https://learn.tradelabsai.com/orders/all-or-none-orders/), which only fill if the whole quantity can be traded.

## Frequently asked questions

### What is the difference between a limit order and a stop order?

A limit order waits for a price you would be happy to trade at, such as buying below the current price. A stop order waits for a price where trading becomes necessary, such as selling below the current price to cut a loss, and then becomes a market order.

### Which order type should beginners use?

Limit orders for entries and profit targets, and a stop order or stop limit order to protect each position. Market orders are fine for small trades in very liquid markets during normal hours.

### What does good till cancelled mean?

A good till cancelled order stays active until it fills or you cancel it, instead of expiring at the end of the day. Many brokers still cancel them automatically after 60 to 90 days.

## Sources

- U.S. Securities and Exchange Commission, [Market order](https://www.investor.gov/introduction-investing/investing-basics/glossary/market-order)
- U.S. Securities and Exchange Commission, [Limit order](https://www.investor.gov/introduction-investing/investing-basics/glossary/limit-order)
- U.S. Securities and Exchange Commission, [Stop order](https://www.investor.gov/introduction-investing/investing-basics/glossary/stop-order)

## Continue learning

- Next lesson: [Market Orders](https://learn.tradelabsai.com/orders/market-orders/)
- Related: [Bid-Ask Spread](https://learn.tradelabsai.com/markets/bid-ask-spread/): The bid-ask spread is the gap between the best price to buy and the best price to sell. Learn how to read it, what it costs you and how to pay less of it.
- Related: [Market Orders](https://learn.tradelabsai.com/orders/market-orders/): A market order buys or sells immediately at the best available price. Learn how it fills, what slippage costs and when a market order is the wrong choice.
- Related: [Limit Orders](https://learn.tradelabsai.com/orders/limit-orders/): A limit order trades only at your price or better. Learn how buy and sell limits work, why they may not fill, queue priority and how to set a smart limit price.
- Related: [Stop Orders](https://learn.tradelabsai.com/orders/stop-orders/): A stop order becomes a market order once a trigger price trades. Learn how stop losses and buy stops work, where to place them and why stops can slip.
- Related: [Stop-Limit Orders](https://learn.tradelabsai.com/orders/stop-limit-orders/): A stop-limit order becomes a limit order when its stop price trades. Learn how to set the stop and limit, when it protects you and when it can fail to fill.
- Related: [Trailing Stop Orders](https://learn.tradelabsai.com/orders/trailing-stop-orders/): A trailing stop follows the price by a set amount or percentage and only moves in your favour. Learn how it works, how to set the distance and common pitfalls.
- Related: [Bracket Orders](https://learn.tradelabsai.com/orders/bracket-orders/): A bracket order attaches a stop loss and a profit target to an entry, and cancels one when the other fills. Learn how to set one up, with a worked example.