Player Impact Estimate — EuroLeague's own all-in-one efficiency metric, measuring a player's share of total positive actions in all games they participated in.
Basketball produces many statistics that measure one thing well. PIE attempts to collapse all of them into a single number by asking: of everything positive that happened across all the games a player played, what percentage came from this player? It's EuroLeague's native answer to the all-in-one efficiency question — and unlike imported metrics, it's designed specifically for EuroLeague data structures.
Sasha Vezenkov of Olympiacos led EuroLeague in PIR again in 2025–26, averaging 22.7 per game while scoring 19.2 points and grabbing 6.5 rebounds. Olympiacos posted the league's best offensive rating (122.3) and net rating (+10.6), finishing 29–12 and reinforcing Vezenkov's status as the competition's most complete player.
Vezenkov's 2025–26 campaign at Olympiacos demonstrates why PIE and PIR reward multi-dimensional impact over single-category dominance. He led the league in PIR at 22.7 — not through volume scoring alone, but by combining 19.2 points, 6.5 rebounds (including 5.0 defensive boards), and elite efficiency on a team that led EuroLeague in assists (21.7 per game). A player like Nadir Hifi of Paris Basketball scored nearly as much (18.9 points) but posted a PIR of just 17.6 — the gap exists because PIE penalises inefficiency and rewards players who contribute across multiple categories while their team wins.
A player who plays 30 minutes and does many things adequately might outscore a specialist who does one thing brilliantly in 18 minutes. PIE sums positive actions — it doesn't weight their situational importance. A rebound in garbage time counts the same as a defensive stop with two minutes left and the game on the line.
PIE's formula and denominators are calibrated for EuroLeague data. Player Efficiency Rating (PER), Win Shares, and BPM use different formulas, different baselines, and different contexts. A PIE of 14% in EuroLeague tells you nothing directly about what that player's PER would be in the NBA. Always compare within league.
A star player on a weak team might have a lower PIE than a good player on a great team — simply because the great team wins more, producing more positive game totals that the good player participates in. PIE is a share of game total, and game totals are higher in blowout wins.
PIE = (PTS + FGM + FTM − FGA − FTA + DREB + (0.5 × OREB) + AST + STL + (0.5 × BLK) − PF − TO) / Game Total of the same formula
The denominator is the sum of all positive actions by all players in all games the individual played — making it a share of total activity, not an absolute score.
PIE: Player Impact Estimate / PTS: Points / REB: Rebounds / AST: Assists / STL: Steals / BLK: Blocks / TOV: Turnovers / PF: Personal Fouls