How to Bet on the World Series - A Baseball Betting Guide at Bet365
October belongs to baseball. The 2026 World Series starts on Friday, October 23, with the Milwaukee Brewers, in their first World Series since 1982, facing the American League champion in a best-of-seven series. If it goes the distance, Game 7 is Saturday, October 31. This guide does not tell you who to bet on. It explains how baseball markets work, what moves a price, and the principles worth taking into any game - this year's World Series and every one after it.
What October Teaches
If one name sums up October baseball, it is Mariano Rivera. In 19 seasons with the Yankees he saved 652 games, the all-time record, won five World Series titles and was MVP of the 1999 World Series. In the postseason he was even better: 42 saves and a 0.70 ERA, both records. In 2019 he became the first player ever elected to the Hall of Fame unanimously.
His career carries a lesson for bettors: in October, games get shorter. Managers pull their starters earlier, the best relievers throw more innings than they do in the regular season, and one inning out of the bullpen can decide a series. Reading a postseason game as if it were a game in June is reading a different sport.
The Clock and a Cool Head
Depending on where you live, World Series night games land at dinner time, late in the evening or in the small hours. Whatever your time zone, the rule is the same: decide your bets before the first pitch, with a clear head - not in the ninth inning with your heart racing. If the game ends after midnight where you are, the bet slip should have been settled in your mind long before.
The Moneyline: Who Wins the Game
Illustrative example - not live Bet365 prices. 18+ only.
| TEAM | DECIMAL | AMERICAN | IMPLIED CHANCE |
|---|---|---|---|
| Favourite | 1.80 | -125 | 55.6% |
| Underdog | 2.10 | +110 | 47.6% |
The moneyline is the simplest market in baseball: you pick the winner of the game, extra innings included. To read a decimal price, divide 1 by it: 1 divided by 1.80 is 55.6 per cent. Add up both sides in the example and you get 103.2 per cent - the extra 3.2 is the bookmaker's margin. Strip it out and the example gives the favourite about a 54 per cent chance. In baseball even the best teams lose dozens of games a season, which is why single-game prices rarely stray far from a coin flip. If you prefer American odds, -125 means you stake 125 to win 100, and +110 means a 100 stake wins 110.
The Run Line: Baseball's Handicap
| MARKET | DECIMAL | AMERICAN |
|---|---|---|
| Favourite -1.5 | 2.40 | +140 |
| Underdog +1.5 | 1.60 | -167 |
The run line is almost always set at 1.5. Back the favourite at -1.5 and you need them to win by two runs or more; back the underdog at +1.5 and you collect if they win, or if they lose by exactly one run. The half point removes the tie. The honest lesson: one-run games are part of everyday baseball, and in October - with the best bullpens and the best starters on the field - they tend to be tight. That is why the favourite at -1.5 pays more than on the moneyline. You are being paid for a real risk, not handed a gift.
Totals and the Starting Pitcher
| LINE | OVER | UNDER |
|---|---|---|
| 7.5 runs | 1.91 | 1.91 |
The total is the combined runs scored by both teams. No sport depends on one player the way baseball depends on its starting pitcher: he sets much of the moneyline and almost all of the total. Before you bet, confirm who is starting - a late change can move the line in minutes. Then look at the bullpen: in October managers hand the ball to relievers earlier, so a bullpen worn down by a long series matters as much as the starter. And do not forget the ballpark: some parks favour hitters and others favour pitchers, and the weather on an October night plays its part too.
The Series Price and Game by Game
In the World Series you can bet on two different things: who wins the series, or who wins each game. The series price moves after every result, and in a best-of-seven the first win matters - but it does not decide anything. Teams have lost the first two games and won the title; it has happened. Two things to keep in mind: home field alternates through the series (this year the National League champion hosts Games 1, 2, 6 and 7, and the American League champion hosts Games 3, 4 and 5), and starting rotations repeat, so the Game 1 starter usually returns for Game 5. Reading a series as a chain of pitching matchups is more useful than reading it as one long game.
Parlays, Honestly
A parlay combines several selections on one slip: the odds multiply and the payout grows fast. What the slip does not tell you is that you also multiply the bookmaker's margin, once for every leg, and that a single losing leg sinks the whole ticket. A parlay is not a way to win more. It is an entertainment luxury, and if you play one, use a stake you are ready to lose in full.
Five Principles for Any Game
1. Set your budget before October, not during it. A seven-game series invites chasing losses; a budget decided in advance protects you from Game 6. 2. Confirm the starter before every bet. 3. Compare the price with the probability you believe is real - if you cannot explain why the price is wrong, it probably is not. 4. Watch the closing price: if your bets regularly beat the price at first pitch, you are reading the market well. Our odds boards and methodology explain how we measure it. 5. Bet what you decided with a cool head, never what the scoreboard is asking for.
Before You Sign Up
Online betting rules differ from place to place: some places license local operators, some allow both local and international bookmakers, and some do not permit online betting at all. Before opening an account, check what the law says where you live. Nothing on this page is legal or financial advice.
Getting Started at Bet365
1. Follow any link on this page - the code THEKING is attached automatically. 2. Open your account: personal details, proof that you are of legal age and identity verification. 3. Read the terms on the registration screen - it shows what applies where you live, and it is the only source of truth on any amounts and requirements. 4. Make your first deposit, using the payment methods the cashier shows you. 5. Find baseball in the sports list: moneyline, run line, totals and the series price, all in one place.
Frequently Asked Questions
When does the 2026 World Series start? Game 1 is scheduled for Friday, October 23, 2026. The series is best-of-seven, with a possible Game 7 on Saturday, October 31.
What is the run line? It is baseball's handicap, almost always set at 1.5 runs: the favourite has to win by two or more, and the underdog pays out if it wins or loses by exactly one run.
Does the moneyline include extra innings? Yes. A baseball moneyline is settled on the final result, including any extra innings. Always check the settlement rules for any other market you bet.
Do I need the code THEKING? No. It is applied automatically through our links and used for tracking. It does not grant any additional bonus or change what you receive.
Why do you not publish predictions? Because an honest guide teaches you to read the price and leaves the decision to you. We show you how the market works; the opinion is yours.
