Risk management and trading psychology
Money management determines a trader's survival more than the accuracy of the forecast. This block carries the most weight in the final result, and is the least studied.
Money management determines a trader's survival more than the accuracy of the forecast. The basic rule is to risk no more than 1% of the deposit per trade. Position size is calculated with the formula: (deposit × risk percentage) ÷ (distance to the stop in pips × pip value). A drawdown demands a disproportionately larger recovery: losing 50% of capital requires 100% growth to return to the starting point. A system's profitability is determined by its expectancy, not by its percentage of winning trades.
1. Drawdown asymmetry: the arithmetic you cannot dodge
| Drawdown | Growth needed to recover |
|---|---|
| 5% | 5.3% |
| 10% | 11.1% |
| 20% | 25.0% |
| 30% | 42.9% |
| 50% | 100.0% |
| 70% | 233.3% |
| 90% | 900.0% |
This is the one argument for limiting risk that needs no further justification. From a drawdown of 50% there is practically no way back: it means that either the system does not work, or the position size was wrong, and carrying on the same way only deepens the loss.
2. Calculating position size
First the stop loss level is set from the structure of the chart; then the volume is calculated. The reverse order — choosing the volume and placing the stop “where it fits” — puts the stop inside the market's noise zone and guarantees it will be swept, however sound the idea behind the trade.
3. How much to risk
| Risk per trade | Assessment | Drawdown after 10 losses in a row |
|---|---|---|
| 0.5% | conservative | 4.9% |
| 1% | standard | 9.6% |
| 2% | aggressive | 18.3% |
| 5% | dangerous | 40.1% |
| 10% | incompatible with survival | 65.1% |
Ten consecutive losing trades are not an anomaly. With a system that wins 50% of the time, the probability of such a run occurring over 200 trades is above 15%. The size of the risk must be chosen assuming the run will happen, not hoping it will not.
Additional limits
- Aggregate risk of all open positions: no more than 3% of the deposit.
- The risk of correlated positions is counted as if it were a single position.
- Daily loss limit: 3%. On reaching it, trading stops until the next day.
- Monthly loss limit: 10%. On reaching it, trading stops and the system is reviewed.
4. R-multiples: the universal language of results
R is the size of the risk taken on a trade. If you risk 50 USD, then 1R = 50 USD. A profit of 150 USD equals +3R; a loss of 50 USD, −1R.
Measuring in R removes the distortion introduced by different deposit sizes and different instruments. The result “+18R for the quarter” is informative; the result “+2,400 USD” is not, because it is unknown what risk was taken to achieve it.
Risk/reward ratio (R:R)
The minimum acceptable is 1:2. At R:R = 1:2 the system remains profitable with a win rate above 34%. At R:R = 1:1 more than 50% is required, achievable but with no margin at all for costs.
5. Expectancy
At 100 trades a quarter and 1% risk, that equals +60% on the deposit before costs.
Formally profitable, but commissions and swaps turn it into a losing system.
A high percentage of winning trades does not imply profitability. A system with a 40% win rate and R:R 1:3 comfortably beats one with a 70% win rate and R:R 1:0.5. That is the main reason why chasing “entry precision” is sterile, whereas working on the risk/reward ratio does produce results.
6. Stop loss: where to place it
Wrong: at the distance corresponding to the amount you are prepared to lose. The market does not know how much money is in your account.
Right: behind the level whose break invalidates the idea of the trade, plus a margin for noise.
Typical mistakes
- A stop exactly on a round number or exactly at the low: that is where most participants' stops are concentrated, and the price takes that liquidity regularly before moving in the original direction.
- Moving the stop away when the price goes against you. It turns a capped loss into an unlimited one and is the main cause of accounts being destroyed.
- Trading without a stop, intending to “close by hand”. In a gap or a news impulse, closing manually is materially impossible.
Moving to break-even
After 1R has been covered in your favour, the stop is moved to the opening price. This removes the possibility of a winning position turning into a losing one, but increases the frequency of closes at zero. The optimum moment for the move is determined by testing on historical data, not by intuition.
7. Trading journal
The journal is the only instrument that turns trading experience into statistics. Without it, it is impossible to calculate expectancy and to determine which conditions work.
| Field | What it is for |
|---|---|
| Date, time and instrument | Detecting dependence on the trading session |
| Direction and volume | Verifying that position size was calculated correctly |
| Entry price, stop and target | Calculating the planned risk/reward ratio |
| Reason for entry (before opening) | Separating systematic trades from impulsive ones |
| Screenshot of the chart at entry | Reconstructing the context during review |
| Result in R | Calculating expectancy |
| Did I follow my rules? yes / no | The decisive field — see below |
| Emotional state | Identifying episodes of tilt |
Split all trades into two groups and calculate expectancy separately for each. If trades made according to the rules give positive expectancy and those made outside the rules negative expectancy, the problem is not the system but the discipline, and it is solved in a completely different way: with technical limits, not with more analysis.
8. Psychology: concrete mechanisms
Tilt
The state after a run of losses in which the trader increases volume to win it back. It is the most destructive mechanism in trading. The countermeasure is a strict daily loss limit and a mandatory pause on reaching it. The rule only works if it is technical and not a matter of will: close the platform.
Fear of missing out (FOMO)
Entering a move that has already happened, with no signal. Characteristic sign: the entry comes after the price has travelled a considerable distance and the stop ends up far away “because the structure is already gone”. Countermeasure: the rule “no level marked in advance, no entry”.
Taking profit too early
Losses are closed slowly (hoping for a return) and profits quickly (fearing they will be lost). The mechanism reliably turns a system with positive expectancy into a losing one. Countermeasure: set the target before entering and forbid reducing it afterwards.
Overtrading
The number of trades bears no relation to the result, but it does bear a direct relation to costs. Set a limit: no more than 3 trades a day or 12 a week.
Illusion of control
An individual trade is a random event; the result of a series of 100 trades is statistics. Judging the system by the last 5 trades leads to constantly changing strategy and therefore to no results at all.
Confirmation bias
After opening a position, the trader starts looking for arguments that support it and discarding those against. Countermeasure: write in the journal, before entering, which specific fact would invalidate the idea. If that fact occurs, you close.
9. Ten rules written to be executed
- The risk per trade does not exceed 1% of the deposit.
- The aggregate risk of open positions does not exceed 3%.
- The minimum risk/reward ratio is 1:2.
- The stop loss is placed at the same time as the position is opened, without exception.
- The stop loss is never moved away.
- Daily loss limit of 3%: on reaching it, the platform is closed.
- Every trade is recorded in the journal before it is opened, not after.
- The system is assessed on a sample of no fewer than 100 trades.
- Volume is not increased after a run of losses.
- No position is opened in the 15 minutes before a high-importance event.
Calculate with your own figures
A position size calculator with error detection and a system expectancy calculator with a recovery table. Enter your real deposit and your usual risk percentage.
Two tests: risk management and costs
“Risk management” has 10 questions and “Trading costs and conditions” has 8. They check: calculating volume with the risk formula, the asymmetry of recovery after a drawdown, comparing systems by expectancy rather than by win rate, the prohibition on moving the stop away, the point of the field “did I follow my rules?”, the probability of a losing run, choosing where to place the stop, the mechanics of tilt, measuring results in R and limiting aggregate risk.
Frequently asked questions
The standard rule is to risk no more than 1% of the deposit on a single trade. At that level, ten losing trades in a row produce a drawdown of 9.6%, which it is possible to recover from. At 5% risk, the same run produces a drawdown of 40%, which requires 67% growth to recover. The aggregate risk of all open positions should not exceed 3%.
Volume = (deposit × risk percentage) ÷ (distance to the stop loss in pips × pip value per lot). With a deposit of 5,000 USD, 1% risk (50 USD), a 25-pip stop and a pip value of 10 USD, the volume is 0.20 lots. The stop level is determined first; the volume is calculated afterwards.
The risk/reward ratio matters more. A system with 40% winning trades and a 1:3 ratio has an expectancy of +0.60R per trade. A system with a 70% win rate and a 1:0.5 ratio gives only +0.05R and turns into a losing one once commissions and swaps are deducted.
Because of the asymmetry of percentages. Losing 50% of capital requires 100% growth to return to the starting point; losing 70% requires 233% growth. The formula is: required growth = drawdown ÷ (1 − drawdown). That arithmetic is what makes limiting risk per trade a condition of survival.
It is the average result of a trade over the long run. Formula: (percentage of winners × average win in R) − (percentage of losers × average loss in R). Positive expectancy means the system is profitable over the distance. To assess it correctly you need a sample of at least 100 trades.
No, never. Moving the stop away turns a loss capped in advance into an unlimited loss and is the main cause of accounts being destroyed. Moving it is only permitted in the direction of profit: to break-even or in trailing mode once 1R has been passed.
Only a technical mechanism works, not willpower. Set a daily loss limit of 3% in the personal area: on reaching it, Sening Capital blocks the opening of new positions until the next trading day. The rule works because it does not depend on the decision you take at the worst possible moment.
Set your limits before the first trade
The Sening Capital daily loss limit is technical: on reaching it the platform blocks the opening of positions until the next day and it cannot be switched off in the heat of the moment.
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