The Complete Sports Betting, Gambling & Lottery Encyclopedia
Free odds data, betting calculators, strategy guides, and educational resources covering every aspect of sports wagering, casino games, and lottery. Over 120,000 articles, 500+ encyclopedia terms, and 194 team pages.
Live Scores & Today's Games
Real-time scores from the NFL, NBA, MLB, NHL, college football, and college basketball. Click any game for detailed matchup analysis, historical trends, and betting data.
Today's Scores
MTL
CHI
NE
RBNY
POR
COL
CIN
MIN
SEA
RSL
ATL
SJ
NSH
DAL
LAFC
HOU
CLB
SKC
TOR
VAN
CLT
LA
SEA
NE
PIT
ATL
TB
BAL
TOR
DET
BOS
MINDET
PHI
HOU
MIA
STL
NYM
COL
CHC
CIN
CHW
TEX
CLE
SEA
KC
LAD
ARI
SF
MIL
LAA
SD
WSH
NYY
BUF
NJ
PHI
WSH
SJU
CONN
FLA
TEX
MD
NEB
UGA
VAN
OKC
DET
SA
TOR
GS
MEM
TOR
TB
SAC
HOU
CLE
MIL
SEA
DAL
COL
UTA
PORT
GONZ
MSST
ALA
TA&M
ARK
BOS
DEN
WPG
VAN
VGK
LA
EDM
ANAToday's Sports Betting Odds & Lines
Compare real-time odds from DraftKings, FanDuel, BetMGM, Caesars, PointsBet, and 10+ other licensed sportsbooks. Our odds data updates continuously throughout the day, covering spreads, moneylines, totals, player props, and futures markets.
Live Odds & Lines
LiveReal-time odds from 15+ sportsbooks across all major sports
Odds Comparison Matrix
Side-by-side comparison of spreads, moneylines, and totals
Player Props
LiveBest player prop odds with grouped comparison across books
Futures & Outrights
Championship winner odds for NFL, NBA, MLB, NHL, and more
All Sports Odds
LiveOdds for 30+ sports including soccer, tennis, MMA, golf, cricket
Arbitrage Alerts
LiveReal-time arbitrage opportunities with ROI and stake calculations
Odds-Based Articles
Auto-generated analysis from live odds data
Sports Betting Guides & Strategy Articles
Whether you are a complete beginner learning how to read odds or an experienced handicapper studying Closing Line Value, our structured guides cover every topic in sports betting. Each guide includes worked examples, real-world scenarios, and mathematical breakdowns.
Sports Betting 101 — Beginner to Intermediate
Start here if you are new to sports betting. Learn the fundamentals of odds formats, bet types, and basic strategy before moving to advanced topics.
Advanced Betting Theory & Mathematics
For serious bettors who want to understand the mathematical edge. Topics include Expected Value, Kelly Criterion, CLV tracking, Poisson models, and Bayesian inference applied to sports betting.
Casino Game Strategy & House Edge Analysis
Understand the mathematics behind every casino game. Learn optimal strategies for blackjack, the true odds in roulette, RTP analysis for slots, and why the house always has an edge.
Lottery Odds, Results & Analysis
Analyze lottery odds, payout structures, and jackpot mathematics. Includes Powerball, Mega Millions, state lotteries, and scratch-off expected value calculations.
Betting Strategy & Handicapping Guides
Practical, actionable strategies used by professional bettors. Learn line shopping techniques, how to identify steam moves, bankroll management frameworks, and contrarian betting approaches.
Free Betting Calculators & Analysis Tools
Professional-grade tools for sports bettors, casino players, and traders. Every tool is completely free — no account required. Calculate hedges, find arbitrage opportunities, convert odds formats, simulate bankroll growth, and estimate gambling taxes.
Odds Comparison Matrix
Compare lines across 15+ sportsbooks
Betting Calculators
Hedging, arbitrage, parlay & hold
Odds Converter
American, decimal, fractional
Lottery Odds Calculator
Exact odds & expected value
Parlay Payout Matrix
Every win/loss scenario mapped
Bet Grader
+EV or public? Grade any bet
Bankroll Growth Simulator
Project your edge over time
Gambling Tax Estimator
Federal + state tax calculator
Blackjack Trainer
Practice basic strategy
Options P&L Calculator
Calls, puts & spreads
Crypto Position Sizer
Risk-based position sizing
DFS Salary Optimizer
Maximize lineup value
Bankroll Tracker
Log bets & track ROI
Strategy Simulators
Blackjack & roulette sims
Featured Betting Guides & Analysis
New educational content published daily covering sports betting strategy, odds analysis, casino mathematics, and lottery breakdowns. Our library contains over 120,000 in-depth articles across every betting vertical.
Regression Analysis for Predicting Sports Outcomes
A deep dive into using regression analysis to predict sports outcomes, covering different model types, how to build and evaluate them, and their inherent limitations.
The Role of Variance in Tournament vs Cash Game Strategy
An exploration of the mathematical and strategic implications of variance in poker, contrasting the approaches required for tournaments versus cash games.
How to Backtest a Betting Model
A step-by-step guide to testing your betting strategies against historical data to validate their effectiveness and avoid costly mistakes.
Over/Under Totals Betting Strategy
Master the art of totals betting, also known as over/under, where you wager on the combined score of a game. Explore key strategies for making profitable over/under bets.
Moneyline Betting: When and Why to Use It
Discover the simplicity of moneyline betting, where you simply pick the winner of a game. Learn when moneyline bets are a strategic choice compared to point spreads, especially when betting on underdogs.
Live In-Game Betting: Tips and Strategies
Explore the exciting world of live in-game betting and learn how to capitalize on shifting momentum and changing odds. Discover key tips and strategies for making profitable live bets.
Gambling & Sports Betting Encyclopedia
A comprehensive A-to-Z reference of over 500 gambling, sports betting, and casino terms. Each entry includes a detailed definition, mathematical explanation where applicable, real-world examples, and links to related concepts. Think of it as the Investopedia of gambling.
Expected Value (EV)
The average amount a bettor can expect to win or lose per bet over time.
Parlay
A single bet that links two or more wagers; all selections must win for the bet to pay out.
House Edge
The mathematical advantage the casino or sportsbook holds over the bettor.
Kelly Criterion
A formula for determining optimal bet sizing based on edge and bankroll.
Arbitrage
Placing bets on all outcomes across different sportsbooks to guarantee a profit.
Implied Probability
The probability of an outcome as reflected by the betting odds.
Moneyline
A bet on which team or player will win a game outright, without a point spread.
Point Spread
A handicap applied to the favored team to level the playing field for betting.
Over/Under (Totals)
A bet on whether the combined score will be above or below a set number.
Vigorish (Vig/Juice)
The commission charged by a sportsbook on each bet, typically built into the odds.
Closing Line Value (CLV)
The difference between the odds you bet and the final closing odds.
Bankroll Management
Strategies for managing your betting funds to minimize risk of ruin.
Teaser
A type of parlay where point spreads are adjusted in the bettor's favor.
Prop Bet
A wager on a specific event within a game, such as player performance.
Futures Bet
A long-term wager on an event outcome, like a championship winner.
Hedging
Placing a bet on the opposite side to reduce risk or guarantee profit.
Sharp vs. Square
Sharp bettors are professionals; square bettors are recreational.
Return to Player (RTP)
The percentage of wagered money a slot or casino game returns over time.
Variance
The statistical measure of how results deviate from expected value.
Handicapping
The process of analyzing games and data to predict outcomes.
Live Betting (In-Play)
Placing wagers on a game while it is in progress.
Middle
Betting both sides of a game at different lines to win both bets.
Steam Move
A sudden, significant line movement caused by heavy sharp action.
Reverse Line Movement
When the line moves opposite to the direction of public betting.
Correlated Parlay
A parlay where the outcomes of the legs are statistically related.
Sports Team Pages — Stats, Schedules & Betting Data
Dedicated pages for 194 professional and college teams across the NFL, NBA, MLB, NHL, college football, and college basketball. Each team page includes current season stats, upcoming schedule, historical records, and relevant betting trends.
NFL Teams
NBA Teams
MLB Teams
NHL Teams
College Football Teams
College Basketball Teams
Sports Betting Laws by State — Legal Status & Sportsbook Availability
Sports betting legality varies significantly across the United States. Our state-by-state guides cover the current legal status, licensed sportsbooks, tax rates, minimum age requirements, and regulatory details for all 50 states plus Washington D.C.
Sportsbook Reviews & Ratings — Objective, Data-Driven Analysis
Independent, unbiased reviews of every major legal sportsbook in the United States. We evaluate odds quality, user experience, payout speed, market depth, and bonus offers. No affiliate bias — just data.
Caesars Sportsbook
Caesars Sportsbook is a titan in the sports betting industry, offering a world-class experience with a vast array of markets, robust live betting, and top-tier customer service. Backed by the renowned Caesars Entertainment brand, it provides a trustworthy and feature-rich platform for both new and experienced bettors.
FanDuel Sportsbook
FanDuel offers the best overall user experience with competitive odds, fast payouts, and the widest range of promotions. It's the top choice for most bettors.
Fanatics Sportsbook
Fanatics Sportsbook is a newer entrant to the sports betting scene, but it has quickly made a name for itself with its polished mobile app and innovative FanCash rewards program. While it may not have the same market depth as some of its more established competitors, it offers a solid user experience, competitive odds, and a generous sign-up bonus, making it a compelling option for both new and experienced bettors.
ESPN BET
ESPN BET, a partnership between PENN Entertainment and ESPN, offers a competitive and user-friendly online sportsbook. With a strong focus on integration with ESPN's media ecosystem, it provides a unique and engaging betting experience for both new and experienced bettors.
Explore More Betting & Trading Topics
Beyond sports betting and casino games, we cover day trading, cryptocurrency, forex, poker, DFS, esports, prediction markets, and more. Each vertical includes dedicated guides, tools, and analysis.
Day Trading Guides
8,400+ articles
Day Trading Tools
Free calculators
Stock Market
Trending & meme stocks
Cryptocurrency
Top coins & analysis
Forex Trading
Currency pairs & sessions
Poker Tools
Odds, hands & ICM
Daily Fantasy Sports
DFS strategy & tools
Esports Betting
LoL, CS2, Valorant
Golf Betting
Golf wager calculators
Prediction Markets
Bet on real-world events
Sweepstakes
Free-entry contests
Collectibles
Sports cards & alt investing
Side Bets
Prop bets & fun wagers
Real Estate
ROI & rental analysis
Content Library
120,000+ articles
Interactive Tools, Games & Live Data
Test your knowledge, explore live data feeds, and use interactive features designed to make learning about betting more engaging.
Live Data Feeds
Responsible Gaming Resources
Gambling should be entertainment, not a financial strategy. Riding a Heater provides education to help you make informed decisions and recognize when to seek help. If you or someone you know has a gambling problem, call the National Council on Problem Gambling helpline at 1-800-522-4700. Available 24/7, free and confidential.