MLB ELO Demo 2025
Zero-sum ELO ratings for every batter and pitcher, updated per plate appearance from delta run expectancy, adjusted for park and base-out state, with candlestick charts of hot streaks.
Live · checked Nov 7, 2026 Visit MLB ELO Demo 2025 ↗Data transparency checklist
| Data source | 2025 Statcast plate appearances (183,000+ PAs, 1,469 players) |
|---|---|
| Shows its query / method | Yes |
| Shows sample size | Yes |
| Free or paid | Free Open source |
| Built with | AI-assisted coding; Vercel + Supabase |
| Maker | mingksong (GitHub) |
| Platform | Web + source |
| Source | https://www.reddit.com/r/Sabermetrics/comments/1qq15wf/ |
“Unknown” means we couldn't confirm it from the tool's site or the maker. Are you the maker? Send corrections.