Model Changelog

Every update to the Swell Picks prediction model — what changed, what was added, and why. Transparency about model evolution is how we build trust.

v3.0.0majorMarch 2026

20-Factor Probability Engine

  • Added
    Market intelligence signals: bet % vs. money %, opening vs. current line movement, reverse line movement detection
  • Added
    Schedule & fatigue signals: rest days differential, travel distance, schedule density, time zone changes, altitude adjustment
  • Added
    Advanced team metrics: pace of play, effective field goal %, turnover rate, offensive and defensive efficiency ratings
  • Added
    Situational signals: revenge games, referee foul rate, referee over/under tendencies, coaching tendencies, player prop correlations
  • Added
    Opening odds stored on first cache — line movement delta now tracked across full game lifecycle
  • Improved
    Win probability blend rebalanced across 20 factors with sport-specific weights
  • Improved
    Pick card now shows all active signal badges (Sharp $, RLM, Revenge, Travel, Fatigue, Altitude, Efficiency, Coach)
v2.5.0minorFebruary 2026

Advanced Analytics & Tools

  • Added
    Model Accuracy page with calibration chart, rolling 30-pick win rate, and public hero banner
  • Added
    Hedge Calculator at /hedge — guaranteed profit calculation for any two-sided bet
  • Added
    Betting Glossary at /learn — 30 terms with win probability context
  • Added
    Model Methodology page at /how-it-works — full factor breakdown with weights
  • Added
    Stripe billing portal link in account settings
  • Improved
    Pick cards now show model factor tooltip, injury impact badge, weather overlay, and Why This Pick? section
  • Improved
    Daily briefing widget added to top of dashboard
v2.0.0majorJanuary 2026

Win-Probability-First Model

  • Added
    6-factor win probability engine: market consensus, recent form, home field advantage, injury impact, weather, fatigue
  • Added
    Confidence tiers (HIGH / MEDIUM / LOW) mapped to win probability thresholds
  • Added
    Sharp action detection: steam moves, reverse line movement, public vs. sharp money divergence
  • Added
    Situational angles: back-to-back games, travel fatigue, altitude, divisional rivalry flags
  • Improved
    All site copy rewritten to lead with win probability rather than edge percentage
  • Improved
    Model accuracy tracker now shows win rate by confidence tier and sport
v1.5.0minorDecember 2025

Community & Social Features

  • Added
    Community forum with sport-specific channels and pick sharing
  • Added
    Bankroll tracker with deposit/withdrawal logging and equity chart
  • Added
    Bet journal with notes, tags, and outcome tracking
  • Added
    Dark Horse Finder — underdog picks where model sees more than the market
  • Added
    Parlay Optimizer — AI-built parlays with combined win probability
  • Added
    Prop Finder — player prop analysis with matchup context
v1.2.0minorNovember 2025

Arbitrage & Line Movement

  • Added
    Arbitrage scanner — guaranteed profit opportunities across 10+ sportsbooks
  • Added
    Line movement tracker with opening vs. current line delta
  • Added
    Futures odds tracker for championship markets
  • Improved
    Odds refresh rate increased to every 5 minutes during peak hours
  • Fixed
    Odds cache now correctly stores per-book lines for all supported markets
v1.0.0majorOctober 2025

Initial Launch

  • Added
    Core picks dashboard with NFL, NBA, MLB, and NHL coverage
  • Added
    Real-time odds from 10+ sportsbooks via The Odds API
  • Added
    AI chat assistant for game analysis and betting questions
  • Added
    Subscription tiers: Free, Pro, VIP, and Lifetime
  • Added
    Manus OAuth authentication with session management

The model is updated continuously as new data sources and signal research become available. Have a suggestion? Reach out via the community forum or AI chat.