PIS = (Stats_2025/26 ร 0.70)
+ (Role_Weight ร 0.20)
+ (PosWeight ร 0.10)
All inputs are normalized against absolute MLB benchmarks (e.g., 1.000 OPS, 200 IP).
Historical 2025 performance is blended with early 2026 data to provide a reliable PIS (Price Impact Score).
| Metric |
Source |
Weight |
Rationale |
| WAR (Wins Above Replacement) |
pybaseball |
0.45 |
Best single holistic metric |
| TOI avg/game |
MLB Stats API |
0.28 |
Direct proxy for role on team |
| PP Time on Ice |
MLB Stats API |
0.17 |
Power play impact on totals |
| Position Weight |
Roster data |
0.10 |
Structural floor/ceiling by role |
| Tier |
PIS Range |
Typical players |
Line impact |
| ๐ด CRITICAL |
โฅ 0.65 |
Ace SP, Elite Hitters |
Major ML/Line shift |
| ๐ HIGH |
0.45โ0.64 |
Mid-rotation SP, 1-4 Hitters |
ML + Total move |
| ๐ก MEDIUM |
0.25โ0.44 |
Platoon, Relievers |
Limited volatility |
| ๐ข LOW |
< 0.25 |
Bench, Depth arms |
Negligible |