ক্যামারিলা সমর্থন এবং প্রতিরোধের প্রবণতা ট্রেডিং সিস্টেমের সাথে মিলিত একাধিক মুভিং এভারেজ ক্রসওভার

/*backtest
start: 2020-01-06 00:00:00
end: 2025-01-04 08:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("Pradeep Crude oil Entry and Exit", overlay=true)

// Input settings for EMAs
ema20_period = input.int(20, title="EMA 20 Period")
ema50_period = input.int(50, title="EMA 50 Period")
ema100_period = input.int(100, title="EMA 100 Period")
ema200_period = input.int(200, title="EMA 200 Period")

// Fixed line width settings for EMAs
ema20_width = 2  // EMA 20 Line Width
ema50_width = 2  // EMA 50 Line Width
ema100_width = 3 // EMA 100 Line Width
ema200_width = 4 // EMA 200 Line Width

// Backtesting inputs
initial_capital = input.float(50000, title="Initial Capital", minval=100)
position_size_percent = input.float(100, title="Position Size (% of Capital)", minval=0.1, maxval=100)
exit_mode = input.string("Price Movement", title="Exit Mode", options=["Price Movement", "Percentage Movement"])
exit_points = input.int(20, title="Exit After X Points", minval=1)
exit_percentage = input.float(1.0, title="Exit After X% Movement", minval=0.1, step=0.1)

// Calculate EMAs
ema20 = ta.ema(close, ema20_period)
ema50 = ta.ema(close, ema50_period)
ema100 = ta.ema(close, ema100_period)
ema200 = ta.ema(close, ema200_period)

// Signal conditions
long_entry_condition = close > ema200 and close > ema20 and close[1] <= ema200
long_exit_condition = (exit_mode == "Price Movement" and close - strategy.position_avg_price >= exit_points * syminfo.mintick) or 
                      (exit_mode == "Percentage Movement" and (close - strategy.position_avg_price) / strategy.position_avg_price * 100 >= exit_percentage)
short_entry_condition = close < ema200 and close < ema20 and close[1] >= ema200
short_exit_condition = (exit_mode == "Price Movement" and strategy.position_avg_price - close >= exit_points * syminfo.mintick) or 
                       (exit_mode == "Percentage Movement" and (strategy.position_avg_price - close) / strategy.position_avg_price * 100 >= exit_percentage)

// Plot EMAs with specified line widths
plot(ema20, color=color.green, title="EMA 20", linewidth=ema20_width)
plot(ema50, color=color.aqua, title="EMA 50", linewidth=ema50_width)
plot(ema100, color=color.blue, title="EMA 100", linewidth=ema100_width)
plot(ema200, color=color.red, title="EMA 200", linewidth=ema200_width)

// Camarilla Pivot Calculation
prev_high = request.security(syminfo.tickerid, "D", high[1])
prev_low = request.security(syminfo.tickerid, "D", low[1])
prev_close = request.security(syminfo.tickerid, "D", close[1])

R3 = prev_close + (prev_high - prev_low) * 1.1 / 2
S3 = prev_close - (prev_high - prev_low) * 1.1 / 2

// Central Pivot Range (CPR) Calculation
pivot = (prev_high + prev_low + prev_close) / 3
upper_cpr = pivot + (prev_high - prev_low)
lower_cpr = pivot - (prev_high - prev_low)

// Plot Camarilla R3, S3 and CPR levels
plot(R3, color=color.purple, title="Camarilla R3", linewidth=2)
plot(S3, color=color.purple, title="Camarilla S3", linewidth=2)
plot(pivot, color=color.yellow, title="CPR Pivot", linewidth=2)
plot(upper_cpr, color=color.green, title="CPR Upper", linewidth=1)
plot(lower_cpr, color=color.red, title="CPR Lower", linewidth=1)

// Backtesting: Capital and position size
capital = initial_capital
risk_per_trade = (position_size_percent / 100) * capital

// Long positions
if long_entry_condition
    strategy.entry("Long", strategy.long, qty=risk_per_trade / close)
    // Display entry price label
    label.new(bar_index, close, text="Entry: " + str.tostring(close), color=color.green, style=label.style_label_up, yloc=yloc.belowbar)

if long_exit_condition
    strategy.close("Long")
    // Display exit price label
    label.new(bar_index, close, text="Exit: " + str.tostring(close), color=color.red, style=label.style_label_down, yloc=yloc.abovebar)

// Short positions
if short_entry_condition
    strategy.entry("Short", strategy.short, qty=risk_per_trade / close)
    // Display entry price label
    label.new(bar_index, close, text="Entry: " + str.tostring(close), color=color.red, style=label.style_label_down, yloc=yloc.abovebar)

if short_exit_condition
    strategy.close("Short")
    // Display exit price label
    label.new(bar_index, close, text="Exit: " + str.tostring(close), color=color.green, style=label.style_label_up, yloc=yloc.belowbar)

// Plot signals
plotshape(long_entry_condition, style=shape.triangleup, location=location.belowbar, color=color.new(color.green, 0), size=size.small, title="Long Entry")
plotshape(long_exit_condition, style=shape.triangledown, location=location.abovebar, color=color.new(color.red, 0), size=size.small, title="Long Exit")
plotshape(short_entry_condition, style=shape.triangledown, location=location.abovebar, color=color.new(color.red, 0), size=size.small, title="Short Entry")
plotshape(short_exit_condition, style=shape.triangleup, location=location.belowbar, color=color.new(color.green, 0), size=size.small, title="Short Exit")