I know fastK and slowD, however, what's this fastD means?
fastK:Stochastic Fast %K
fastD: Stochastic Fast %D
slowD: Stochastic Slow %D
SMI: Stochastic Momentum Index
signal: Stochastic Momentum Index signal line https://artax.karlin.mff.cuni.cz/r-help/library/TTR/html/stochastics.html
Thanks.