TradingView - POC 1

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © Sed101010

//@version=4
strategy("POC 1", overlay=true, initial_capital=2000)

// INPUT

positionType = input(defval="LONG", title="Position Type", options=["LONG", "SHORT"])

longLossPerc = input(title="Long Stop Loss (%)", type=input.float, minval=0.0, step=0.1, defval=5) * 0.01

shortLossPerc = input(title="Short Stop Loss (%)", type=input.float, minval=0.0, step=0.1, defval=5) * 0.01

// DATA

sar_data = sar(0.02, 0.02, .2)
[bb_middle, bb_upper, bb_lower] = bb(close, 20, 2)
rsi_data = rsi(close, 14)

// COMPUTE

hasEntryLongConditional() => (crossover(close, bb_lower) or rsi_data < 30) and volume > 0
hasCloseLongConditional() => (crossunder(close, bb_upper) or rsi_data > 90) and volume > 0

hasEntryShortConditional() => 1 == 1
hasCloseShortConditional() => 1 != 1

longStopPrice  = strategy.position_avg_price * (1 - longLossPerc)
shortStopPrice = strategy.position_avg_price * (1 + shortLossPerc)

// FUNCTION

hasOpenTrade() => strategy.opentrades != 0
notHasOpenTrade() => strategy.opentrades == 0

strategyClose() =>
    if positionType == "LONG"
        strategy.close("LONG", qty_percent=100, when=true)
    else 
        strategy.close("SHORT", qty_percent=100, when=true)

strategyOpen() =>
    if positionType == "LONG"
        strategy.entry("LONG", strategy.long, 100, when=true)
    else 
        strategy.entry("SHORT", strategy.short, 100, when=true)

hitStopLoss() => 
    if positionType == "LONG"
        longStopPrice > close
    else 
        shortStopPrice < close


// ACT

if (notHasOpenTrade() and hasEntryLongConditional())
    strategyOpen()
    
if (hasOpenTrade() and hasCloseLongConditional())
    strategyClose()
    
if (hasOpenTrade() and hitStopLoss())
    strategyClose()

// PLOTING

plot(sar_data, style=plot.style_circles, linewidth=1)

bb_upper_plot = plot(bb_upper, color=color.aqua)
bb_lower_plot = plot(bb_lower, color=color.aqua)
fill(bb_lower_plot, bb_upper_plot, color=color.aqua)