
Strategi ini adalah berdasarkan pada penunjuk Williams %R, untuk mengoptimumkan prestasi dagangan dengan menyesuaikan tahap stop loss secara dinamik. Ia menghasilkan isyarat beli apabila Williams %R melintasi kawasan oversold (-80), dan menghasilkan isyarat jual apabila ia melintasi kawasan oversold (-20). Ia juga menggunakan purata bergerak indeks (EMA) untuk meluruskan nilai Williams %R untuk mengurangkan kebisingan.
Strategi Williams %R untuk penyesuaian dinamik berhenti berhenti mengambil harga dengan cara yang mudah dan berkesan untuk menangkap keadaan harga yang lebih baik, sambil menyediakan tetapan parameter yang fleksibel untuk menyesuaikan diri dengan keadaan pasaran dan gaya perdagangan yang berbeza. Strategi ini secara dinamik menyesuaikan tahap berhenti berhenti untuk mengawal risiko dan melindungi keuntungan. Tetapi dalam aplikasi praktikal, anda masih perlu memperhatikan parameter yang ditetapkan, pengesahan isyarat, pilihan masa perdagangan dan sebagainya untuk meningkatkan kestabilan dan keuntungan strategi.
/*backtest
start: 2024-05-01 00:00:00
end: 2024-05-31 23:59:59
period: 4h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=5
strategy("Williams %R Strategy defined buy/sell criteria with TP / SL", overlay=true)
// User inputs for TP and SL levels
tp_level = input.int(defval=60, title="Take Profit (ticks)", minval=10, maxval=500, step=10)
sl_level = input.int(defval=60, title="Stop Loss (ticks)", minval=10, maxval=200, step=10)
// Williams %R calculation
length = input.int(defval=21, title="Length", minval=5, maxval=50, step=1)
willy = 100 * (close - ta.highest(length)) / (ta.highest(length) - ta.lowest(length))
// Exponential Moving Average (EMA) of Williams %R
ema_length = input.int(defval=13, title="EMA Length", minval=5, maxval=50, step=1)
ema_willy = ta.ema(willy, ema_length)
// User inputs for Williams %R thresholds
buy_threshold = -80
sell_threshold = -20
// User input to enable/disable specific trading hours
use_specific_hours = input.bool(defval=false, title="Use Specific Trading Hours")
start_hour = input(defval=timestamp("0000-01-01 09:00:00"), title="Start Hour")
end_hour = input(defval=timestamp("0000-01-01 11:00:00"), title="End Hour")
// User input to choose trade direction
trade_direction = input.string(defval="Both", title="Trade Direction", options=["Buy Only", "Sell Only", "Both"])
// User input to enable/disable "Minutes Before" and "Minutes After" options
enable_minutes_before_after = input.bool(defval=true, title="Enable Minutes Before/After Options")
minutes_before = enable_minutes_before_after ? input.int(defval=10, title="Minutes Before the Top of the Hour", minval=0, maxval=59, step=1) : 0
minutes_after = enable_minutes_before_after ? input.int(defval=10, title="Minutes After the Top of the Hour", minval=0, maxval=59, step=1) : 0
// Condition to check if the current minute is within the user-defined time window around the top of the hour
is_top_of_hour_range = (minute(time) >= (60 - minutes_before) and minute(time) <= 59) or (minute(time) >= 0 and minute(time) <= minutes_after)
// Condition to check if the current time is within the user-defined specific trading hours
in_specific_hours = true
if use_specific_hours
in_specific_hours := (hour(time) * 60 + minute(time)) >= (hour(start_hour) * 60 + minute(start_hour)) and (hour(time) * 60 + minute(time)) <= (hour(end_hour) * 60 + minute(end_hour))
// Buy and Sell conditions with time-based restriction
buy_condition = ta.crossover(willy, buy_threshold) and is_top_of_hour_range and in_specific_hours
sell_condition = ta.crossunder(willy, sell_threshold) and is_top_of_hour_range and in_specific_hours
// Strategy entry and exit with TP and SL
if (trade_direction == "Buy Only" or trade_direction == "Both") and buy_condition
strategy.entry("Buy", strategy.long)
if (trade_direction == "Sell Only" or trade_direction == "Both") and sell_condition
strategy.entry("Sell", strategy.short)
// If a buy entry was taken, allow the trade to be closed after reaching TP and SL or if conditions for a sell entry are true
if (strategy.opentrades > 0)
strategy.exit("TP/SL", profit=tp_level, loss=sl_level)
// Plot Williams %R and thresholds for visualization
hline(-20, "Upper Band", color=color.red)
hline(-80, "Lower Band", color=color.green)
plot(willy, title="%R", color=color.yellow, linewidth=2)
plot(ema_willy, title="EMA", color=color.aqua, linewidth=2)