Fintech
Personal Inflation Index
Calculate your own inflation rate from what you actually buy
Beginner10h1
Next.jsCharts
16/20SIP vs Lump Sum Visualizer
See how investing monthly compares to investing at once over history.
Beginner8h1 person17/20 fit
Build SIP vs Lump Sum Visualizer for new investors in ~8h with 1 person. Stack: Next.js + ECharts.
Why it wins: Strong visual that teaches finance.
Build flow
01 · Problem
Beginners cannot picture compounding or how timing affects returns.
02 · Solution
Use a historical index series to simulate monthly and lump sum investing for chosen periods and animate results.
03 · Build
- 1Load index data
- 2Simulate strategies
- 3Chart them
- 4Explain results
04 · Demo
Pick 2008 as a start year and compare outcomes.
MVP checklist
- Historical simulation
- Animated charts
- Period picker
- Plain explanations
Tech stack
| Tech | Role | |
|---|---|---|
| Next.js | Frontend + API routes | Web |
| ECharts | Interactive charts | UI |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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