如何在pinescript(Tradingview)中创建全局变量

Question

我正在努力在 tradingview 中创建一个趋势指标来跟踪趋势的走向。具体来说，我想要一个在几天内保持不变的变量，但是当满足特定条件时它会发生变化。看起来应该很简单，但每次我尝试时，我都会陷入一个永无止境的循环，而且我似乎无法绕过它。变量 "Trend"


///Condition
pos = close > open
neg = close < open

pos_cond = pos and pos[1]
neg_cond = neg and neg[1]

///Variables to keep track of trend

Trend = iff(***pos_cond or neg_cond not met***, Trend[1], Trend + real_trend)

trend_change_neg = iff(pos_cond, 1, 0)
trend_change_pos = iff(neg_cond, -1, 0)

real_trend = trend_change_neg + trend_change_pos

Trend = iff(Trend > 2, 2, iff(Trend < -2, -2, Trend))

/////////plots
plotshape(Trend > 0, color = color.green, location = location.top, style = shape.square, title="TrendLong")

plotshape( Trend == 0, color = color.yellow, location = location.top, style = shape.square, title = "TrendNeutral")

plotshape( Trend < 0, color = color.red, location = location.top, style = shape.square, title = "TrendShort")

所以基本上我想做的是保持运行趋势总计，每次有 2 根连续的蜡烛反对趋势时，它会切换到中性，但随着趋势继续朝 1 个方向移动它可以恢复到+-2（这是我们离中立的距离永远不会超过2 "pullbacks"。我已经为此绞尽脑汁好几天了，但是如果有人有任何想法，我们将不胜感激.

Answer 1

您需要使用变量。示例：

var a = 0
a:=close>open?1:0

https://www.tradingview.com/pine-script-docs/en/v4/language/Expressions_declarations_and_statements.html

如何在pinescript(Tradingview)中创建全局变量

How to make global variable in pinescript(Tradingview)

variables

abstract

trend

pine-script