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Winners And Losers In Our Updated NBA Season Predictions

On Thursday, we rolled out our new NBA metric, named RAPTOR — the ​Robust ​Algorithm (using) ​Player ​Tracking (and) ​On-court/off-court ​Results — along with our new 2019-20 RAPTOR-fueled player and team forecasts, and a thorough explanation of the system from my boss, Nate Silver. But since we released an early, pre-RAPTOR version of our predictions […]

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Introducing RAPTOR, Our New Metric For The Modern NBA

At FiveThirtyEight, we’ve been running NBA predictions since 2015. We started with Elo ratings before introducing our CARMELO player projection system, which we then incorporated into our “CARM-Elo” season prediction model. We tested and tweaked the prediction model over the years, but it was always powered by metrics from other sources, such as Box Plus/Minus […]

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NBA Player Projections

Our projection system identifies similar players throughout NBA history and uses them to develop a probabilistic forecast of what a current NBA player’s future might look like.

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We’re Changing How We Think About The NBA

With the NBA preseason officially underway, we’re unveiling something new. Since 2015, FiveThirtyEight has put out forecasts for the NBA season based on player ratings from ESPN and Basketball-Reference.com. But this year, we created our own player rating metric — called RAPTOR — which will power this season’s forecast. FiveThirtyEight editor-in-chief Nate Silver joins for […]

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