How can I get history data from my custom indicator value in MQL4?

External question — Stack Overflow Stack Exchange Author: Agam Theos Original post: https://stackoverflow.com/questions/70698475 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. I just make function that can get my custom indicator value in mql4. But, i want to get all the history data from my custom indicator value. I know it work with changing shift value. But, i want to get the data till 7-10 years before or more. How can i do that ? Thanks before!

External answer — Stack Overflow Stack Exchange Author: PaulB Original post: https://stackoverflow.com/a/70698946 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. Do you have 7 to 10 years worth of price data for the symbol you are looking at from your broker in your MetaTrader 4 terminal? If not, you will have to download/import it from somewhere. There are various "paid for" sources available.