How does the NFL Game Simulator work?

The NFL Game Simulator uses play-by-play models and statistical projections to predict outcomes, scores, and player stats for each matchup.

Are NFL predictions updated daily?

Yes. Predictions and player projections update daily with the latest stats, depth charts, and matchup data.

How accurate are the NFL predictions?

Accuracy varies by week and matchup. We publish performance summaries so you can track results over time.

How often are predictions refreshed?

Predictions refresh daily and may update during the day when key injuries or depth chart changes occur.

NFL Predictions for Week 15

Looking like a big day for Jaxon Smith-Njigba (Seahawks). In this week's simulations, he averaged 144.7 receiving yards per game.
To view all of this week's player projections, you'll need a GameSim+ account.

Odds: Line | O/U

Week 15 NFL Games
Date/Time	Matchup	Prediction	Actual	Result
9/7/2025 4:05 PM	San Francisco 49ers @ Seattle Seahawks by 1.5	Seattle Seahawks WIN 22.4-20.1 won 54.87% of sims, average margin of 2.3 Prediction Projected Stats	San Francisco 49ers wins 17-13
9/14/2025 1 PM	San Francisco 49ers @ New Orleans Saints by 3	San Francisco 49ers WIN 19.5-18.0 won 54.33% of sims, average margin of 1.5 Prediction Projected Stats	San Francisco 49ers wins 26-21
9/21/2025 4:25 PM	Arizona Cardinals @ San Francisco 49ers by 2.5	Arizona Cardinals WIN 15.0-12.0 won 59.53% of sims, average margin of 3.1 Prediction Projected Stats	San Francisco 49ers wins 16-15
9/28/2025 4:05 PM	Jacksonville Jaguars @ San Francisco 49ers by 3.5	San Francisco 49ers WIN 16.8-15.2 won 55.39% of sims, average margin of 1.6 Prediction Projected Stats	Jacksonville Jaguars wins 26-21
10/2/2025 8:15 PM	San Francisco 49ers @ Los Angeles Rams by 8.5	Los Angeles Rams WIN 24.8-15.0 won 74.88% of sims, average margin of 9.8 Prediction Projected Stats	San Francisco 49ers wins 26-23
10/12/2025 1 PM	San Francisco 49ers @ Tampa Bay Buccaneers by 3	Tampa Bay Buccaneers WIN 26.0-18.9 won 69.90% of sims, average margin of 7.1 Prediction Projected Stats	Tampa Bay Buccaneers wins 30-19
10/19/2025 8:20 PM	Atlanta Falcons @ San Francisco 49ers by 3	Atlanta Falcons WIN 22.0-20.4 won 55.12% of sims, average margin of 1.6 Prediction Projected Stats	San Francisco 49ers wins 20-10
10/26/2025 1 PM	San Francisco 49ers @ Houston Texans by 1.5	Houston Texans WIN 27.7-15.6 won 80.94% of sims, average margin of 12.1 Prediction Projected Stats	Houston Texans wins 26-15
11/2/2025 1 PM	San Francisco 49ers @ New York Giants by 2.5	New York Giants WIN 25.0-21.2 won 61.33% of sims, average margin of 3.8 Prediction Projected Stats	San Francisco 49ers wins 34-24
11/9/2025 4:25 PM	Los Angeles Rams @ San Francisco 49ers by 3.5	Los Angeles Rams WIN 26.3-24.1 won 58.49% of sims, average margin of 2.3 Prediction Projected Stats	Los Angeles Rams wins 42-26
11/16/2025 4:05 PM	San Francisco 49ers @ Arizona Cardinals by 3.5	Arizona Cardinals WIN 30.9-24.3 won 70.20% of sims, average margin of 6.6 Prediction Projected Stats	San Francisco 49ers wins 41-22
11/24/2025 8:15 PM	Carolina Panthers @ San Francisco 49ers by 7	San Francisco 49ers WIN 28.2-24.6 won 58.44% of sims, average margin of 3.6 Prediction Projected Stats	San Francisco 49ers wins 20-9
11/30/2025 1 PM	San Francisco 49ers @ Cleveland Browns by 6	San Francisco 49ers WIN 22.8-19.3 won 61.15% of sims, average margin of 3.5 Prediction Projected Stats	San Francisco 49ers wins 26-8
12/14/2025 4:25 PM	Tennessee Titans @ San Francisco 49ers by 12.5	San Francisco 49ers WIN 26.0-20.7 won 71.36% of sims, average margin of 5.3 Prediction \| Simulate Projected Stats

Legend/Totals

Correct Picks	6 (46.2%)
Incorrect Picks	7 (53.8%)
Final Margin within 7 Pts	6 (46.2%)
Beat the Spread	4 (30.8%)

NFL Predictions for Week 15

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