The ability possessed by those who consistently win in FX is not 'predictive power' but 'the ability to judge by numbers'

Even if you know high-probability entry points, that alone will not result in profit

In FX, there is often information like,

'There is a high possibility of an upward trend from here'

'This pattern has a high win rate'

that exists.

Suppose that this entry point has resulted in profit 70% of the time in past backtesting.

Many people think at this point,

'If it hits 70% of the time, wouldn't I make a profit if I invest a large amount of capital?'

they think.

However, this is a very dangerous way of thinking.

This is because the number 70% also includes the meaning that,

'there is a 30% chance it could fail'

is also included.

In other words, a high win rate is not,

'a state where profit is guaranteed'

it is not.

It is simply,

'under certain past conditions, the frequency of profit was high'

it is nothing more than that information.

It is not the win rate, but 'to what extent you take risks against that probability' that becomes important

For example, suppose there is an entry point with a 70% win rate.

What becomes important here is not just

'whether it will actually hit'

alone.

Rather, what is important is

'what happens when it misses'

.

For example,

Person A:

• Invest 50% of capital because the win rate is 70%

• No stop-loss set

• Decide after falling into an unrealized loss

Person B:

• Risk only 2% of capital even with a 70% win rate

• Stop loss at 20 pips against the trend

• Profit target is 40 pips

Even with the same entry point, the results will change significantly.

This is because in FX,

'where to enter'

is not the only thing that matters,

Because the results are determined by 'under what conditions you participate'.

In FX, 'intuitive lot sizing' is dangerous.

What many beginners do unconsciously is,

'I'm confident this time, so I'll increase the lot size'.

'I have this much capital, so this amount should be fine'.

These are intuitive judgments.

However, there are no clear criteria for these judgments.

For example,

Operating capital of 1 million yen.

Decide to allow a 2% loss per trade.

In other words,

The maximum allowable loss is 20,000 yen.

The stop-loss width is 50 pips.

Under these conditions,

You can calculate how much loss you can afford per pip.

From there, you can calculate the appropriate lot size.

What is important is,

'How much you want to earn'

not,

but.

'How much can I lose and still continue?'

is the standard you should use.

Lot size should be determined by probability, not by desire.

The essence of lot management is

not to maximize profits.

It is to maintain expected value.

For example,

even with a strategy that has a 60% win rate,

the possibility of losing 10 times in a row is not zero.

Even if the probability is low, it can happen if you trade over a long period.

At that time,

if a single loss is 50% of your capital, continuing will be difficult.

On the other hand,

if a single loss is 1% of your capital, you can calmly move on to the next trade.

In other words, lot size is

'your level of confidence'

not,

'a size that can withstand the unfavorable situations that occur statistically'

is what you need to decide.

FX is a 'game of handling numbers'.

In FX, people tend to focus on looking at charts.

However, in reality, profits do not stabilize with chart analysis alone.

This is because all the judgments that are ultimately required are based on numbers.

For example,

'This market seems like it will rise'

is not enough based on intuition alone.

What is necessary is

• how many times it has been backtested in the past

• what the win rate is

• what the average profit is

• what the average loss is

• what the maximum number of consecutive losses is

• what the expected value is

• what the allowable loss per trade is

• what the appropriate lot size is

—these specific numerical values.

In FX, whether your capital ultimately increases is determined by numbers.

High-granularity thinking does not mean 'thinking in detail'

High-granularity thinking as referred to here does not simply mean performing detailed analysis.

The essence is

It is 'not accepting a piece of information as it is, but breaking it down into its constituent elements'.

For example,

when you see information like

'a 70% win rate',

the general way of thinking is:

'If I can win 70% of the time, it's advantageous.'

A high-granularity way of thinking is:

You think about:

'What period is that 70% data from?', 'What kind of market environment is it?', 'What is the average profit?', 'What is the average loss?', 'What is the maximum number of consecutive losses?', 'What is the appropriate lot size for that probability?'

Even with the same information, the level at which you view it is different.

This difference becomes the difference in trading results.

What is needed in FX is not the 'skill to predict correctly' but the 'skill to repeat calculated judgments'.

In FX, you cannot perfectly predict the future.

No matter how excellent the analysis is, it can still be wrong.

That is precisely why what is important is

not 'finding a way that never fails'.

What is necessary is

'creating a design where profit remains even when accounting for the possibility of failure'.

This is the essence of professional trading.

By focusing on the numbers, you can trade with peace of mind.

It is.

To achieve that,

• verify probabilities from historical data

• set profit margins and stop-loss levels

• determine the acceptable loss amount

• calculate the appropriate lot size

• repeat the same conditions

is the necessary process.

In other words, the ability truly required in FX is,

not the ability to find winning points, but the ability to manage probabilities, capital, and risk with numbers, and to consistently make decisions that leave an expected value

that is it.

FX is certainly a 'game of dealing with numbers'.

However, it is not a simple calculation game.

It is a game of understanding market uncertainty, converting that uncertainty into numbers, and translating it into rational action.

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