Stochastic Momentum Index (SMI)
Created by William Blau, the Stochastic Momentum Index (SMI) oscillator is a double-smoothed variant of the Stochastic Oscillator, depicted on a scale from -100 to 100. [Discuss]
// usage (standard) IEnumerable<SmiResult> results = quotes.GetSmi(lookbackPeriods, firstSmoothPeriods, secondSmoothPeriods, signalPeriods);
int - Lookback period (
N) for the stochastic. Must be greater than 0.
int - First smoothing factor lookback. Must be greater than 0.
int - Second smoothing factor lookback. Must be greater than 0.
int - EMA of SMI lookback periods. Must be greater than 0. Default is 3.
Historical quotes requirements
You must have at least
N+100 periods of
quotes to cover the convergence periods.
quotes is a collection of generic
TQuote historical price quotes. It should have a consistent frequency (day, hour, minute, etc). See the Guide for more information.
- This method returns a time series of all available indicator values for the
- It always returns the same number of elements as there are in the historical quotes.
- It does not return a single incremental indicator value.
- The first
N-1periods will have
nullSMI values since there’s not enough data to calculate.
Convergence warning: The first
N+100periods will have decreasing magnitude, convergence-related precision errors that can be as high as ~5% deviation in indicator values for earlier periods.
DateTime - Date from evaluated
double - Stochastic Momentum Index (SMI)
double - Signal line: an Exponential Moving Average (EMA) of SMI
See Utilities and helpers for more information.
Results can be further processed on
Smi with additional chain-enabled indicators.
// example var results = quotes .GetSmi(..) .GetSlope(..);
This indicator must be generated from
quotes and cannot be generated from results of another chain-enabled indicator or method.