Keltner channel width

kcwvolatilityForge API 1

The distance between the Keltner bands relative to the middle line.

Inputs

NameTypeDefaultRange
ema_periodint201 to 5000
atr_periodint101 to 5000
atr_factorfloat20 to 10

Outputs

NameTypeRequiredDescription
kcwvalueOptionalcolor theme.accent, style line, width 1
Warm-up
max(ema_period - 1, atr_period) bars (19 at the defaults)
Repaints
No
Parity
None

Formula

width = (upper - lower) / middle

middle = the EMA of the closes over ema_period

upper = middle + atr_factor * ATR, lower = middle - atr_factor * ATR

ATR is the simple average of the true range over atr_period, as the MetaTrader 5 Keltner Channel computes it.