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NFL · Fixtures & Results

Indianapolis Colts at Pittsburgh Steelers

NFL 2026 · Week 5 · · Acrisure Stadium

Indianapolis Colts at Pittsburgh Steelers, Week 5 of the 2026 season: Pittsburgh Steelers won 34–22.

Prediction made · Elo model

Result

Indianapolis Colts 22–34 Pittsburgh Steelers

Closing line PIT −3, total 41.5 (went over). Pittsburgh Steelers covered.

What the model predicted beforehand

The model gave Pittsburgh Steelers a 59.0% chance of winning and Indianapolis Colts 41.0%, with a predicted margin of PIT by 2.5. The betting market had it PIT 57%. The model’s favourite won.

OutcomeThis modelBetting market
Pittsburgh Steelers win59.0%57.2%
Indianapolis Colts win41.0%42.8%
MarginPIT by 2.5PIT −3
Total points–41.5

The model is a margin-based Elo rating walked forward over every game since 2002, with home advantage; ties are rare enough not to be priced. Betting market: the moneyline with the bookmaker’s margin removed, and the spread as quoted (favourite first).

How it might finish: winning margin
Chance of each winning margin
Indianapolis Colts by 15+9%
Indianapolis Colts by 8–1410%
Indianapolis Colts by 4–712%
Indianapolis Colts by 1–312%
Tie<1%
Pittsburgh Steelers by 1–313%
Pittsburgh Steelers by 4–714%
Pittsburgh Steelers by 8–1414%
Pittsburgh Steelers by 15+17%

Most likely exact margins: PIT by 3 (8.5%), IND by 3 (7.8%) and PIT by 7 (5.4%). NFL scores come in 3s and 7s, so margins of 3, 7, 10 and 14 come up far more often than their neighbours.

On this curve Pittsburgh Steelers were 44.1% to cover the line (PIT −3): to win by more than 3.

The curve is a normal spread of results around the model’s expected margin (Stern, 1991), reweighted for the NFL’s key numbers. Its shape was fitted on 2002–2023 and checked on 2024, where it beat a plain bell curve. Because it is built from the expected margin alone, its win chances can differ by a few points from the Elo figure above, which is the one the Model Lab scores.