Lessons › Start Here › Risk: the chance of losing

World 0 · Start Here · lesson 8 · level 1

Risk: the chance of losing

Risk is the chance that you get back less than you put in, so only ever risk a small amount you can afford to lose.

In one line

Every price that can go up can also go down. That is risk, and handling it comes first.

Explained simply

Risk is the chance that something goes wrong, like your ice cream falling off the cone on a hot day. In markets, it means the price might drop and you could get back less money than you put in. The golden rule is simple: never risk money you cannot afford to lose.

The lesson

Risk is the chance of getting back less than you put in, and it comes with anything whose price moves, from shares to crypto to currencies. Jumpier things, such as crypto, usually carry more risk than calmer ones, and no price only goes up. Big losses are hard to fix: after a 50% fall you need a 100% gain just to get back to where you started. That is why careful people keep money they need somewhere safe, spread what they invest across different things, and never risk money they cannot afford to lose.

A worked example

Illustrative example: with 10,000 of practice money, a 10% loss leaves 9,000 (10,000 times 0.90), and getting back to 10,000 needs a gain of about 11.1% (1,000 divided by 9,000, times 100). A 20% loss leaves 8,000 (10,000 times 0.80) and needs a 25% gain (2,000 divided by 8,000, times 100), while a 50% loss leaves 5,000 (10,000 times 0.50) and needs a 100% gain (5,000 divided by 5,000, times 100). Now imagine a price halves: a learner who put in only 1,000 loses 500 (1,000 times 0.50) and still has 9,500 (10,000 minus 500), while a learner who put in all 10,000 is left with 5,000.

The same idea at four levels

1. Beginner. Risk is the chance that you get back less money than you put in.
2. Foundation. Never risk money you cannot afford to lose, such as money for food, rent or school.
3. Intermediate. Jumpier things usually carry more risk, and spreading money across different things means one fall hurts less.
4. Advanced. Losses are harder to fix than they look: a 50% fall needs a 100% gain to get back to the start.
5. Expert. Careful traders decide the most they are willing to lose before they start and keep each loss small, because staying in the game matters more than any single win.

Mistakes to avoid

• Putting money you need soon, such as money for school or food, into something that can fall.
• Thinking a 50% loss needs only a 50% gain to get back, when it needs 100%.
• Putting all your money into one share or coin, so a single fall hurts everything.

Goal of this lesson: Explain what risk means in markets and why you should never risk money you cannot afford to lose.