# [RS]Function Martingale Multiplier - MA Crossover Bias V1

Dilihat 2649
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.
```//@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)

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)
```

## Komentar

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