RicardoSantos

[RS]Function Martingale Multiplier - MA Crossover Bias V1

EXPERIMENTAL:
WARNING: Martingale is subject to HUGE drawdown spikes, use at your own risk!

updated function to also double(aply multiplier) on even trades, example with a MA's crossover.
Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

Ingin menggunakan skrip ini pada carta?
//@version=2
strategy(title='[RS]Function Martingale Multiplier - MA Crossover Bias V1', overlay=false, default_qty_type=strategy.cash, default_qty_value=1000, initial_capital=100000, currency=currency.USD)
wins_multiplier = input(defval=1.00, title='Scaling Multiplier for Consecutive Wins:')
losses_multiplier = input(defval=2.00, title='Scaling Multiplier for Consecutive Losses:')
src = input(close)
fast_ma = ema(src, input(5))
slow_ma = ema(src, input(55))
// Setup trading conditions based on last performed trades performance.
direction = na(direction[1]) ? 1 : crossunder(fast_ma, slow_ma) and direction[1] > 0 ? -1 : crossover(fast_ma, slow_ma) and direction[1] < 0 ? 1 : direction[1]

buy_cond = direction > 0 and strategy.opentrades < 1
sel_cond = direction < 0 and strategy.opentrades < 1

f_martingale_wins_multiplier(_multiplier) => _return = na(_return[1]) ? 1 : change(strategy.losstrades) > 0 ? 1 : change(strategy.wintrades) > 0 or change(strategy.eventrades) > 0 ? _return[1] * _multiplier : _return[1]
f_martingale_loss_multiplier(_multiplier) => _return = na(_return[1]) ? 1 : change(strategy.wintrades) > 0 ? 1 : change(strategy.losstrades) > 0 or change(strategy.eventrades) > 0 ? _return[1] * _multiplier : _return[1]

mode = change(strategy.wintrades) > 0 ? 1 : change(strategy.losstrades) > 0 ? -1 : nz(mode[1], 1)
trade_multiplier = mode > 0 ? f_martingale_wins_multiplier(wins_multiplier) : f_martingale_loss_multiplier(losses_multiplier)

trade_size = input(defval=100, title='Base trade value:')
trade_size_multiplied = trade_size * trade_multiplier

strategy.entry('B', long=true, qty=trade_size_multiplied, when=buy_cond)
strategy.entry('S', long=false, qty=trade_size_multiplied, when=sel_cond)

take_profit = input(defval=250, title='TP in ticks(1/10 of a pip):')
stop_loss = input(defval=100, title='SL in ticks(1/10 of a pip):')
strategy.exit('B', from_entry='B', profit=take_profit, loss=stop_loss)
strategy.exit('S', from_entry='S', profit=take_profit, loss=stop_loss)

plot(series=strategy.equity, title='Equity', color=black, linewidth=2)
plot(series=lowest(strategy.equity, 100), title='Base', color=red)

Komen

How is the script ending with "[" on lines 14 and 15? Or did it just hit a length limit in displaying the lines?
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its hidden behind the scroll bar the ending is
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RicardoSantos RicardoSantos
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RicardoSantos RicardoSantos
""
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RicardoSantos RicardoSantos
cant post the openbracket1closebracket
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kakola RicardoSantos
Thank you!
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