What volatility is
Volatility is a measure of how much a price varies over time. An asset whose price barely changes from day to day has low volatility; one that regularly rises or falls by large percentages has high volatility. Volatility says nothing about direction. A highly volatile asset can fall as sharply as it rises.
Why crypto prices swing so much
- Young and changing markets. Many crypto assets have short histories, and views on their value shift quickly.
- Liquidity varies. Smaller assets may have thin order books, so a single large order can move the price a long way.
- Round-the-clock trading. Markets never close, so news can move prices at any hour, including overnight and at weekends.
- Leverage elsewhere in the market. When leveraged positions are forcibly closed, the resulting sales or purchases can accelerate a move already underway.
- Sentiment and news. Announcements, technical incidents and social media attention can trigger rapid reactions.
Ways to measure it
Percentage change
The simplest view is how much the price changed over a period. If an asset moved from 100 to 88 in a day, it fell 12%.
Daily range
The gap between the high and the low of a period shows how far the price travelled, even if it closed near where it opened. Candlestick wicks make this range easy to see.
Standard deviation
A more formal measure calculates the standard deviation of returns over a period. Higher values mean returns are more spread out. The figure is often annualised so assets can be compared on the same scale.
A worked example: why losses and gains are not symmetric
Suppose, purely as an illustration, you hold an asset worth 1,000 USDT.
| Move | Value after | Change needed to get back to 1,000 |
|---|---|---|
| Falls 10% | 900 | +11.1% |
| Falls 25% | 750 | +33.3% |
| Falls 50% | 500 | +100% |
| Falls 80% | 200 | +400% |
The deeper the fall, the larger the rise needed simply to return to where you started. This is one reason large drawdowns are so damaging, and why high volatility deserves respect.
Habits for managing exposure
These are general practices for handling risk, not recommendations to buy or sell anything.
- Size positions to what you can afford to lose. If a 50% fall would cause real hardship, the position is too large for you.
- Use limit orders when price matters. They cap the price you pay or receive. See market vs limit orders.
- Plan exits in advance. Decide beforehand what would make you reduce a position, rather than deciding under pressure.
- Be careful with market orders in fast markets. The book can thin out quickly, increasing slippage.
- Avoid decisions driven by fear of missing out. Sharp rises attract attention, often late in a move.
- Remember stablecoins can move too. They are designed to be steady, but pegs can slip. See what are stablecoins.
Experience it without the stakes
Watching a volatile market is very different from reading about one. The practice account on the trading terminal at /trade/ uses virtual funds against live prices, so you can see how quickly prices, and a balance, can change without any real money at stake. For a full overview of the risks, read our risk disclosure.
Crypto assets are highly volatile and you may lose all the capital you invest.
Practise without risk to real funds
The practice account trades live prices with virtual USDT.