NFL Results Explorer

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This tool lets you explore the results of every NFL game since 1999. For each game, you can easily see both the spread (the expected point differential) and the actual point differential. You can also filter and sort the data in interesting ways, and hover over each game to learn more.

How to Interpret the Visualization

Each game is visualized with two bars. Both the spread and actual differential are 0 at the center for each game, and the bars go left or right depending on those values.

Observing the spread and actual differential gives us some interesting insights.

Upsets are games where the two bars went in opposite directions from the center, meaning one team was favored but the other team won. For example: Image of NFL Spreads Example

Spread covers are games where the two bars went in the same direction from the center, and the actual differential was larger than the spread. The overlap of the actual differential and the spread is in this color. For example: Image of NFL Spreads Example

Wins that didn't cover the spread are games where the spread and actual differential went in the same direction from the center, but the spread was larger than the actual differential. Image of NFL Spreads Example