IF 语句中的 Pinescript 问题索引变量

Question

我正在尝试为一个变量编制索引，以便在满足初始条件后它最多只触发 5 次。我对 if 语句有疑问。这是 objective https://www.tradingview.com/x/JimOkiQO/

的交易视图截图 link

redcon = x > high and open[1] < out1[1]

var counter = 0
red = redcon
if not (high > out2 and low < out2) and not (high > out3 and low < out3)
    redcon 
    red := redcon
    for i = -5 to 0 by 1 
        counter := counter[abs(i-1)]
        if counter == 0
            red != redcon
            break

barcolor(red ? color.yellow : na)

Answer 1

使用循环是一种不好的做法设置一个 var，在您的条件得到验证后更新

这是一个例子

// © LucemAnb

//@version=4
study("PullBack Limit", overlay=true)

max_pullbacks = 5

pull = ema(close, 21)
trend = ema(close, 100)

plot(pull, "Pull", color.blue, 2)
plot(trend, "Trend", pull>trend ? color.teal : color.maroon, 2)

var pullbacks = 0

long_pullback = crossunder(low, pull) and pull > trend
short_pullback = crossover(high, pull) and pull < trend

if long_pullback or short_pullback
    pullbacks := pullbacks + 1

if cross(pull, trend)
    pullbacks := 0

bgcolor( pullbacks < max_pullbacks ? ( long_pullback ? color.purple : short_pullback ? color.yellow : na) : na )

一旦达到最大指定限制，回调将停止显示

IF 语句中的 Pinescript 问题索引变量

Pinescript issue indexing variable in IF statement

pine-script