我试图在烛台中按其收盘价绘制7种证券的平均价格。我知道我们有一些内置函数（例如plotcandle），但是我没有太多概念，因此仅出于测试目的尝试了第一个图（即使它会返回折线图）。我在指标标题中看到“示例：解决错误” FXCM ...
该想法的最佳解决方案是什么？我只想使用7个证券收盘价的平均价格绘制折线图或蜡烛图。我们最终应该有3种主要证券，它们应该以烛台图形式或折线图形式打印在主图表中。
study("Example", overlay=true)
usdcad = security("FXCM:USDCAD", "240", close)
usdjpy = security("FXCM:USDJPY", "240", close)
usdaud = security("FXCM:USDAUD", "240", close)
usdgbp = security("FXCM:USDGBP", "240", close)
usdchf = security("FXCM:USDCHF", "240", close)
usdeur = security("FXCM:USDEUR", "240", close)
usdnzd = security("FXCM:USDNZD", "240", close)
usdAverage = (usdcad + usdjpy + usdaud + usdgbp + usdchf + usdeur + usdnzd) / 7
plot(usdAverage)
audusd = security("FXCM:AUDUSD", "240", close)
audjpy = security("FXCM:AUDJPY", "240", close)
audcad = security("FXCM:AUDCAD", "240", close)
audgbp = security("FXCM:AUDGB", "240", close)
audchf = security("FXCM:AUDCHF", "240", close)
audeur = security("FXCM:AUDEUR", "240", close)
audnzd = security("FXCM:AUDNZD", "240", close)
audAverage = (audcad + audjpy + audusd + audgbp + audchf + audeur + audnzd) / 7
plot(audAverage)
nzdusd = security("FXCM:NZDUSD", "240", close)
nzdjpy = security("FXCM:NZDJPY", "240", close)
nzdcad = security("FXCM:NZDCAD", "240", close)
nzdgbp = security("FXCM:NZDGBP", "240", close)
nzdchf = security("FXCM:NZDCHF", "240", close)
nzdeur = security("FXCM:NZDEUR", "240", close)
nzdaud = security("FXCM:NZDAUD", "240", close)
nzdAverage = (nzdcad + nzdjpy + nzdusd + nzdgbp + nzdchf + nzdeur + nzdaud) / 7
plot(audAverage)
cadusd = security("FXCM:CADUSD", "240", close)
cadjpy = security("FXCM:CADJPY", "240", close)
cadaud = security("FXCM:CADAUD", "240", close)
cadgbp = security("FXCM:CADGBP", "240", close)
cadchf = security("FXCM:CADCHF", "240", close)
cadeur = security("FXCM:CADEUR", "240", close)
cadnzd = security("FXCM:CADNZD", "240", close)
cadAverage = (cadnzd + cadjpy + cadusd + cadgbp + cadchf + cadeur + cadaud) / 7
plot(cadAverage)```