英文:
How to get the minimum price of the candle on which the was opened?
问题
Pine Script
如何在Pine Script中创建一个链接到我进入交易的蜡烛？
我需要获取交易开始时蜡烛的最低价，以便设置止损。
我尝试在Pine Script参考文档中找到解决方案，但没有成功。
英文:
Pine Script
How to make a link to the candle on which I entered the trade in Pine Script?
I need to get the low of the candle on which the trade was opened in order to put a stop loss there.
I tried to find a solution in the Pine Script reference, but it was not successful.
答案1
得分: 2
我假设你有一个触发你进入交易的变量，类似于 entry_condition。你只需要使用这个变量来检查你的进入条件是否为 true，并将low价格存储在一个var变量中。
var float stop_loss_price = na
stop_loss_price := entry_condition ? low : stop_loss_price // 如果是新的进入条件，存储低价。否则保留其旧值
当你退出一个仓位时，你可能需要重置这个变量。
此外，你需要确保在你已经在交易中时，你的entry_condition不会变为true。否则，它会在交易进行中更新你的止损价格。
英文:
I assume you have a variable that triggers your entry. Soemthing like entry_condition. You just need to use this variable to check if your entry condition is true and store the low price in a var variable.
var float stop_loss_price = na
stop_loss_price := entry_condition ? low : stop_loss_price // If it is a new entry, store the low price. Keep its old value otherwise
You might want to reset this variable when you exit a position.
Also, you need to make sure that your entry_condition does not become true while you are already in a trade. Otherwise, it will update your stop loss price in the middle of a trade.
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