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How markets workBeginner

Market, limit and stop orders

Choosing an order means deciding what you prioritize: execution, price or risk control. No order guarantees all three things simultaneously.

3 min read Practical guide

By the end

You will know when to use market, limit, stop and stop-limit, and what can go wrong.

market order

Look to execute immediately at the best available price, not the last seen price. In liquid assets during normal hours the difference is usually small; with volatility, shallow depth or off-hours there may be significant slippage.

Limited order

A limit buy only executes at or below the limit; a sale, at or above the limit. It controls the maximum or minimum price, but it can be left unexecuted or partially executed.

Example

Quote 20.00/20.08. A buy limit at 20.03 does not cross the seller at 20.08: it will wait and may never be executed.

Stop and stop-limit

By touching the stop, a normal stop order becomes a market: it favors execution but does not guarantee price. The stop-limit protects the price, but in a rapid decline it may not sell. A gap can jump any of the expected levels.

Before sending

Check spread, volume, schedule, validity and cost. Split large orders with respect to liquidity. Also review tax consequences and remember that a technical stop is not a substitute for limiting the position size.

Ticker and correct meaning.
Quantity and type of order.
Limit/stop price.
Validity and schedule.
Cost and currency.

From data to a decision

Which execution risk do you want to control?

This guide cannot predict the next move on its own. It can build a conditional reading: what supports upside, what increases downside risk, and which evidence must appear before acting.

Favourable reading

A limit order controls price in liquid assets without urgency.

Adverse reading

A market order in low liquidity may execute far from the displayed price.

Required confirmation

Check spread, depth, trading hours, and possible gaps.

Reasoned example

With a 49 bid and 51 ask, a market buy may cost 51 even if the screen highlights 49.

Applied workshop

Turn the explanation into a process

Follow these steps in order and keep the result, so you can repeat the analysis and identify what changed your decision.

  1. 1Inspect bid, ask, spread, volume and session; the last price may not be executable.
  2. 2Decide whether execution or price matters most and choose market or limit accordingly.
  3. 3Simulate gaps: a stop triggers an order but cannot guarantee the final price.
  4. 4Split large orders and avoid opens, closes or news when liquidity cannot support your size.

Review questions

  • What does this order actually guarantee?
  • How much slippage would change the decision?
  • What happens if the market opens beyond the stop?

Worked case

Running in a volatile session

Last price €25, but after results the book shows 23.80/26.20. A market order can execute very far from 25. One limited to 24 controls price, although you may not buy.

A stop at 22 becomes a market when activated; If there is a gap at 19, you can sell near 19. The stop limits a condition, it does not guarantee the maximum loss.

Decision rule

Choose what you prefer to guarantee – execution or price – and review spread, depth, schedule and gaps.

Put it into practice

Design one entry for a liquid asset and another for one with a wide spread. Explain what risk you accept in each type of order.