Haha. I believe I can make money after several years, so that's why I started to DCA.
You can try this site[1] out to check how your portfolio would've performed if you instead started your DCA in certain price points. Probably wouldn't help you, but just a cool tool concerning DCAing bitcoin.

[1]
https://dcabtc.com/I've tried this site before, and it seems that the profit calculation is not so accurate because some data after June is missing. Now I'm using
to DCA.