High volatility or not?

[syswizard]

It's called "HV" for historical volatility,
and "IV" for implied volatility.

There are several measures in Easy Language:
Inputs: PriceValue(Numeric), SDevLen(Numeric):
StdDevPAnnualized
Variables: var0(True);
StdDevPAnnualized = StdDev(PriceValue, SDevLen) * BarAnnualization;

VolatilityStdDev
inputs: Length( 30 ) ;
Plot1( VolatilityStdDev( Length ), "VoltySDev" ) ;