Why risk comes first
You cannot control where the market goes. You can control how much you lose when you are wrong. A trader who risks a small, fixed amount per trade can survive a long series of losses and still be in the game. A trader who risks a large part of the account on one idea can be finished by two bad trades. Most beginners focus on entries. Professionals focus on survival. This guide gives you rules and arithmetic that you can apply today. All numbers are examples.
Rule 1: risk a small fixed percentage per trade
A common guideline is to risk between 0.5% and 2% of your account on a single trade. Many careful traders stay at 1% or less. This is not a rule from a regulator, and it does not guarantee profit, but it keeps one loss from doing real damage.
| Risk per trade | Losing streak | Account left (approx.) |
|---|---|---|
| 1% | 10 losses in a row | about 90% |
| 5% | 10 losses in a row | about 60% |
| 10% | 10 losses in a row | about 35% |
| 25% | 4 losses in a row | about 32% |
Losing streaks are normal even for good systems. The table shows how the risk percentage decides whether a streak is a bad week or the end of your account. Notice also that recovering from a loss takes a bigger gain: after a 50% loss you need a 100% gain to return to the start.
Rule 2: always know where you are wrong
A stop-loss is an order that closes your trade at a set price if the market goes against you. Place it where your trade idea is proven wrong, for example just beyond a recent swing high or low, not at a random distance that suits your wallet. Then adjust your size to the stop, not the stop to your size.
- Do not move a stop-loss further away because you hope the price will come back.
- Moving a stop in the direction of profit, to lock in some gain, is acceptable.
- Remember that stops can slip in fast markets or over weekends, so the real loss can be larger than planned.
- Do not trade without a stop unless you have a very clear plan and very small size.
Rule 3: calculate position size
The formula is simple:
lot size = amount you risk / (stop distance in pips x pip value per lot)
Example. Account 2,000 USD. You risk 1%, which is 20 USD. Your stop is 25 pips away on EUR/USD, where one pip is about 10 USD per 1.00 lot. Lot size = 20 / (25 x 10) = 0.08 lot. If the stop is hit, you lose about 20 USD plus costs. If your stop were 50 pips away, the size would be 0.04 lot, so the money at risk would stay the same. See lots, pips and leverage for more on pip values.
Rule 4: understand risk-reward and win rate
The risk-reward ratio compares the possible loss with the possible gain. If you risk 20 USD to make 40 USD, the ratio is 1:2. What matters is how it combines with your win rate.
Example. Over 10 trades with 1:2 risk-reward, you win 4 and lose 6. Gains: 4 x 40 = 160 USD. Losses: 6 x 20 = 120 USD. Net before costs: +40 USD. With 1:1 you would need to win more than half of the trades, and after costs more than that. Costs such as the spread, described in spread, commission and swap, shift these numbers against you, so test your real averages in a demo account and a journal. A high ratio on paper is worthless if your target is almost never reached.
Rule 5: set daily and monthly limits
Decide in advance the maximum you will lose in a day, for example 2% to 3%, and a monthly limit. When you hit the daily limit, stop trading and close the platform. When you hit the monthly limit, return to the demo account and review your journal. Limits protect you from the emotional spiral that follows a loss.
Rule 6: do not stack the same risk
If you buy EUR/USD, GBP/USD and AUD/USD together, you are mostly taking the same bet against the US dollar three times. A single dollar rally can hit all three. Treat correlated trades as one position when you count your risk. Also be careful around major news releases, when spreads widen and stops can slip.
Psychology: the part that breaks the rules
Most traders know these rules and still break them. Common patterns:
- Revenge trading: doubling size after a loss to win it back.
- Overconfidence: increasing risk after a few wins.
- Fear of missing out: entering late because the price is moving without you.
- Hope: removing a stop because the trade must come back.
- Boredom trading: opening trades because the screen is open.
Practical defences: a written trading plan, a trade journal with screenshots, a maximum number of trades per day, rest after a losing streak, and never trading with money needed for rent, food or school fees. Do not borrow to trade.
Pre-trade checklist
- Is the setup in my written plan?
- Where is my stop, and why there?
- What is the lot size for 1% risk at that stop?
- Is there news in the next hour that can widen the spread?
- Do I already hold a correlated position?
- Am I calm, or am I trying to recover a loss?
Practise this on a demo account first. A free demo is available at most brokers, and you can read about one in our Exness review and learn the software in MT4 vs MT5.
Keep a journal that shows your real numbers
Without records, you will remember your wins and forget your losses. A useful journal has one line per trade: date, pair, direction, entry, stop, target, lot size, result in money and in R (a multiple of your risk), and a short note about why you entered and how you felt. After 30 trades, calculate your win rate, your average win and average loss, and your largest losing streak. These real numbers, and not hope, tell you whether the plan is sound and whether your risk percentage is safe for the worst streak you have actually seen.
Think in R multiples
R is a simple unit: one R is the amount you risk on a trade. If you risk 10 USD and the trade loses the whole stop, it is -1R. If it earns 25 USD, it is +2.5R. Measuring results in R makes trades comparable even when your account size or lot size changes. A plan that produces a long-run average above zero R per trade, after all costs, has an edge. A plan with an average below zero will lose however well you manage the money. Risk control slows the loss but cannot turn a negative average into a positive one.
When to stop and review
Decide in advance what a bad period looks like. For example: three losing trades in a row means a break until the next session, five losing days in a row means a return to the demo account for a week. These rules look strict in calm moments, and that is the point. They protect you when your judgement is clouded by frustration.
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Risk warning
Risk management reduces the size of losses, but it cannot remove them or make a strategy profitable. Forex and CFDs are high-risk, leverage magnifies losses, stop-loss orders can fail to execute at the chosen price, and most retail traders lose money. Trade only with money you can afford to lose entirely, and only if you are 18 or older. This article is education, not personal investment advice.