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volatility

ATR Volatility Expansion

Trades volatility expansion: buys when short-term ATR rises above long-term ATR and sells when volatility contracts.

Entry Logic

Buy when ATR(14) crosses above ATR(30) — the recent daily range is expanding versus the longer average.

Exit Logic

Sell when ATR(14) crosses back below ATR(30) — volatility is contracting.

How Rules Combine

Both ATRs are Wilder averages of True Range. Comparing a fast and slow ATR shows whether the recent range is unusually large.

When It Works (Market Edge)

Volatility-driven breakouts: rising ATR often accompanies the start of strong moves, so expansion can lead price.

When It Fails

Low-volatility chop: ATR can flick above/below the long average without any price direction — volatility alone has no trend.

Common Myths

Myth: High ATR means you should buy.

Truth: High ATR only means large ranges. It happens in crashes too. ATR needs price context to give direction.

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Performance across major assets, sorted by return.

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