Zheng Jie Lim

Projects

Four questions about markets, data and investing.

1. Quantitative research

   Alpha Builder

   Does a simple price signal beat a random baseline after costs on unseen data?

   Open demo ↗

2. Data engineering

   Macro Lens

   Can a research desk preserve what it knew before a source changed?

   Open demo ↗

3. Crypto analytics

   Hyperliquid

   Can I trust a market-share number when a venue’s data is missing?

   Open demo ↗

4. Investing

   Portfolio Tracker

   Did my investments grow, or did I just add cash?

   Open demo ↗

Demos use fictional data. No sign-in needed.