range

Difference between max_field and min_field over period

range(max_source, min_source, period)

Parameters

Name Type Description
max_source field Data series to find the maximum of (typically high)
min_source field Data series to find the minimum of (typically low)
period int Number of periods to look back

Formula

range = highest(max_source, period) - lowest(min_source, period)

Examples

// 14-period high-low range expanding (increasing volatility)
x = range(high, low, 14); x > x[1];
// narrow 20-period close range (consolidation)
range(close, close, 20) < 5;
// range compressed to 50% of average
range(high, low, 14) < sma(range(high, low, 14), 50) * 0.5;

Returns

float

Range

period must be 2-400

Notes

Used in Stochastic, Williams %R, and other oscillators. Measures volatility/spread over period. Always non-negative (max - min >= 0)

References

TradingView: ta.highest() - ta.lowest()