||Iterable[Quote]||Iterable(such as list or an object having
• Need help with pandas.DataFrame?
||int, default 14||Number of periods (
Historical quotes requirements
You must have at least
N periods of
quotes to cover the warmup periods.
quotes is an
Iterable[Quote] collection of 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
WilliamsResultsis just a list of
- 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
NoneOscillator values since there’s not enough data to calculate.
||float, Optional||Oscillator over prior
See Utilities and Helpers for more information.
from stock_indicators import indicators # This method is NOT a part of the library. quotes = get_history_from_feed("SPY") # Calculate WilliamsR(14) results = indicators.get_williams_r(quotes, 14)
About Williams %R
Created by Larry Williams, the Williams %R momentum indicator is a stochastic oscillator with scale of -100 to 0. It is exactly the same as the Fast variant of Stochastic Oscillator, but with a different scaling. [Discuss]