How to...Dollar cost average

[adm]

Sorry another link - but if here is something similar to what you were after.
It’s value averaging - rather than dollar cost averaging.

Just a note though - DCA outperforms and is less hassle.

https://www.investopedia.com/terms/v/value_averaging.asp#:~:text=Value%20averaging%20is%20an%20investing,amount%20of%20each%20monthly%20contribution.