Show HN: Build your own crypto index fund Posted by dudzik on Monday January 10, 2022 @12:01PM from the show-hn dept. https://github.com/doodzik/crypto-index-fund ( 1 comment | 2 points | on HN )
Shrimpy does all the calculations, then puts in the orders required to rebalance via an exchange's API.
I think you can try the demo for free (with play money).