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Why this matters so much!

You should always think, survive first, then compound second. You don’t blow up because you’re unintelligent. You blow up because you underestimated risk. Markets don’t reward bravery. They reward survival.

 

If you protect capital, you stay in the game. If you stay in the game, you get multiple opportunities.

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What risk actually is

Risk isn’t volatility which is what a lot of the asset management industry classes it as. 

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Risk is:

• Permanent loss of capital

• Position size too large to recover from

• Behaviour under pressure

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A 10% drawdown is normal.
A 70% drawdown changes your life and takes a long long time to recover. 

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Position sizing (this is everything)

The size of your position determines:

• Emotional pressure

• Volatility of returns

• Ability to survive mistakes

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A good idea sized badly becomes a bad decision.

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Rule of thumb:

 

Size positions so that being wrong doesn’t damage your future. Professionals think in terms of risk per trade and NOT just upside. Enter a trade or new position thinking, how much can I lose, not how much can I make. This mindset shift is really important to avoiding mistakes. 

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Risk per trade

Before entering any trade, ask:

• Where is my invalidation point? (ie. where was I wrong and the stock might be going down)

• How much am I willing to lose? 

• What percentage of my capital is at risk?

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Many disciplined traders risk:

• 0.5%–2% of capital per trade

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Not because they lack conviction. Because they respect uncertainty. Anything can happen - always remember that. 

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Portfolio risk

Risk isn’t just individual positions. It’s:

• Correlation between holdings - owning BP and Shell for instance. Or Mastercard and Visa. 

• Concentration - how few stocks you have in total and how much do they move in relation to the market on a daily basis. 

• Exposure to the same macro factor - ie. all oil companies or payment card companies. 

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Owning five “different” tech stocks in a downturn isn’t diversification. If they fall together, risk was concentrated.

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Drawdowns (what’s normal?)

Even strong strategies experience:

• 10–20% drawdowns regularly

• 30+% occasionally

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In the Financial Crisis the Nasdaq was down over 40% during 2008. More recently in 2022 when markets were struggling on multiple fronts with the Ukraine conflict, Inflation hangover from Covid and interest rates moving higher, the Nasdaq was down over 33%. 

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Source: TradingView: Jan 2026

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Drawdowns feel worse than they look on paper. If you can’t tolerate volatility, reduce size. Your strategy must match your temperament.

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The win-rate trap

Beginners obsess over win-rate.

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But:

• A 40% win-rate strategy can be highly profitable - make 3 times more than you risk on each trade. 

• A 70% win-rate strategy can blow up - lots of small 5% wins with one 100% loss. 

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What matters is:

 

Risk-to-reward and discipline. Large losses destroy performance. Small losses are tuition!

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When not to trade

The most underrated skill in markets is doing nothing.

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Avoid trading when:

• Structure is unclear

• You’re emotional

• You’re bored

• You’re trying to “make it back” (poke players know this as 'going on tilt')

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'No position' is a position. Holding cash is most definitely a position!

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The real edge

Risk management isn’t defensive. It’s offensive.

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Because if you:

• Avoid large drawdowns

• Preserve capital

• Stay consistent

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Compounding works in your favour. Blow-ups destroy compounding. There's a great book from Mark Minervini called Mindset Secrets for Winning where he discusses risk management along with Psychology (next lesson) in plain English. 

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A simple risk checklist

Before acting, ask:

1. What’s my maximum loss?

2. Is this position sized correctly?

3. Is this correlated with other holdings?

4. Am I emotionally neutral?

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If you hesitate on any answer, you probably want to reduce size or consider whether you should be entering the position at all. 

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The Foundry Strat principle

You don’t need to win big.

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You need to:

• Avoid losing big

• Execute consistently

• Let time work for you

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Markets reward process, not heroics.

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What’s next

Now that you understand risk, we move to the hidden force behind all of it:

Psychology.

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👉 Next lesson: Psychology – The battle you’re actually fighting