NFL Data Analysis & Betting Trends — Spreadspoke
Analysis

NFL Data Analysis

Every piece of analysis here is powered by the Spreadspoke dataset — 14,371 games, 60 seasons, 131 columns. Numbers, not narratives.

Weekly Trackers · 2025 Season
History & Records
Scoring Trends
Weather Analysis

Updated January 2026 · 5 min read

The 15 MPH Rule: Why High Winds Matter

Under hit rate at calm conditions: 49%. At 20+ mph wind: 61%. Wind speed — not temperature — is the only weather variable that consistently predicts scoring suppression. Includes full extreme-wind game registry.

Read analysis → weather_wind_mph · ou_outcome

Updated June 2026 · 5 min read

The Cold-Weather Paradox

Freezing games score the fewest points (40.4 avg) — yet the Over still cashes 51.6%. The market over-corrects for the cold, just like it does for wind.

Read analysis → temp_bucket · ou_outcome
Playoff Analysis

Updated January 2026 · 9 min read

The Wild Card Road Favorite Trap

Home underdogs are 23–9 ATS (72%) in Wild Card history. Road favorites laying 10+ points are 0–2 ATS all-time. Playoff home-field is consistently underpriced by the market.

Read analysis → schedule_playoff · home_underdog

Updated January 2026 · 8 min read

Divisional Rounds: Home Dogs

Home underdogs are 6–2 straight up (75%) in the Divisional Round — and 75% ATS. Small home favorites (1–3 pts) cover only 46% of the time. Wind, not temperature, kills scores.

Read analysis → Divisional Round · home_underdog

Updated January 2026 · 9 min read

Super Bowls: Scoring History and O/U Trends

All 58 Super Bowls with O/U data: 29–28–1 overall. When lines are set 40.5–46.0, overs hit 63%. When above 50, unders dominate at 64%. Full historical results table included.

Read analysis → Super Bowl · ou_outcome · all-time
Historical Patterns

Updated June 2026 · 5 min read

Home Underdogs Trends

Regular-season home dogs covered 51.8% ATS all-time — but the edge has regressed to 50.0% since 2001 as the market caught up. An honest look at home-dog value.

Read analysis → home_underdog · 1966–2025