# Resources

> “This is for everyone.” — Tim Berners-Lee

Tools I build for my own use, open source for any and all to enjoy.

## Lost Robbies NFT Market

Sales, asking prices, and offers for the legendary Lost Robbies. The first intersection of AI art and crypto.

- [Tracker](https://johnzettler.com/resources/lost-robbies/)
- [Data (JSON)](https://johnzettler.com/resources/lost-robbies/data.json)

## ETF Adoption: Gold versus Bitcoin

A tool to compare the adoption curves of Bitcoin versus gold ETFs. Much more room to grow.

- [Dashboard](https://research.johnzettler.com/btc-to-gold-etf-adoption/)

## Passive Investing Rebalancer

The tool I use to construct and rebalance a portfolio of low-cost, index-tracking ETFs.

- [Google Sheet](https://docs.google.com/spreadsheets/d/1AK53YF6kJYc5iIHAyxjBaEtHJMY3nQ_nIElmSgJW1go/edit?usp=sharing)
- [Excel download](https://johnzettler.com/files/johnZettler_passiveInvestingRebalancer_2019-10-30.xlsx)

## Sector-by-Sector Rebalancer

Like the passive rebalancer, but for rotating between sectors strategically — lowest-cost, best-in-class ETFs.

- [Google Sheet](https://docs.google.com/spreadsheets/d/1_xHkCjMQ19qoXnh2JhEScAYPeBETXApR4jD381lIyqc/edit?usp=sharing)
- [Excel download](https://johnzettler.com/files/johnZettler_sectorRebalancer_2019-10-30.xlsx)

## Hedge Fund Reading List

A great reading list for aspiring investors, institutional and individual (h/t Blue Ridge Capital).

- [Google Sheet](https://docs.google.com/spreadsheets/d/1pypGTf5fpNFfR_5yIKDBhxp0rRvLcREEdC36iwJqRj0/edit?usp=sharing)
- [PDF download](https://johnzettler.com/files/johnZettler_hedgeFund_readingList_2019-10-30.pdf)

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This page for people: https://johnzettler.com/resources/
More by John Zettler, for agents: https://johnzettler.com/llms.txt