ChaoZhang
Strategy Logic
The Williams %R trading strategy generates signals based on the Williams Percent Range indicator, which measures market momentum by comparing the current close to the high-low range over a period.
The strategy goes long when the %R line crosses above oversold, and sells when the line crosses below overbought. The logic is:
Calculate Williams %R over a timeframe (e.g. 14 periods)
Set overbought (e.g. -20) and oversold (e.g. -80) levels
Go long when the %R line crosses up through oversold
Close longs when the %R line crosses down through overbought
This allows entries around potential reversal points to capitalize on short-term moves.
Advantages
Simple parameters and rules
Early identification of overbought/oversold
Systematic breakout trading
Risks
Lagging %R may miss opportunities
Requires optimization of inputs
Oversold/bought levels are rough guides
Summary
The Williams %R strategy aims to capture reversals by trading overbought/oversold regions. With proper position sizing and stops, risk can be controlled. But lag is a key limitation requiring additional tools for validation and caution in use.
/*backtest
start: 2023-01-01 00:00:00
end: 2023-09-13 00:00:00
period: 12h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
// © Julien_Eche
//@version=5
strategy("Williams %R Strategy", overlay=true, initial_capital=100000, shorttitle="W%R Strategy")
// Paramètres
length = input(14, "Length")
overboughtLevel = input(-20, "Overbought Level")
oversoldLevel = input(-80, "Oversold Level")
// Calcul du Williams %R
williamsR = -100 * (ta.highest(high, length) - close) / (ta.highest(high, length) - ta.lowest(low, length))
// Conditions d'achat et de vente
buySignal = ta.crossover(williamsR, oversoldLevel)
sellSignal = ta.crossunder(williamsR, overboughtLevel)
// Entrée en position longue
if buySignal
strategy.entry("Buy", strategy.long)
// Sortie de la position longue
if sellSignal
strategy.close("Buy")