Step 1: Know the Three Main Types of NBA Odds
Before you place a bet on the NBA, you need to know what you're looking at. There are three common ways to display odds: American, decimal, and fractional. In the Philippines, most online sportsbooks use American odds for NBA markets, but you'll also see decimal odds on some platforms.
American odds use a plus (+) or minus (-) sign. A minus number (e.g., -150) tells you how much you need to stake to win $100. A plus number (e.g., +130) tells you how much you'll win if you stake $100. For example, if the odds are -150, a $150 bet wins $100 profit. If the odds are +130, a $100 bet wins $130 profit.
Decimal odds are simpler: they show the total return for a $1 stake. So odds of 2.50 mean a $1 bet returns $2.50 (including your stake). To convert American odds to decimal, use these formulas: for positive odds, (odds/100) + 1; for negative odds, (100/odds) + 1.
Fractional odds (e.g., 5/2) are rare in the Philippines but still appear on some sites. They show the profit relative to the stake. So 5/2 means you win $5 for every $2 staked.
Once you identify the format, you can compare lines across sportsbooks. The key is to find the best value for your bet.
Step 2: Decode the Moneyline – The Simplest Bet
The moneyline is the most straightforward NBA bet: you simply pick which team will win the game outright. There's no point spread involved. The odds reflect the implied probability of each team winning.
For example, if the Golden State Warriors are -200 and the Los Angeles Lakers are +170, the Warriors are the favorites. A $200 bet on the Warriors wins $100 profit. A $100 bet on the Lakers wins $170 profit.
To calculate the implied probability, use these formulas:
- For negative odds: Probability = (-odds) / ((-odds) + 100)
- For positive odds: Probability = 100 / (odds + 100)
So for -200, the implied probability is 200 / (200 + 100) = 66.7%. For +170, it's 100 / (170 + 100) = 37.0%. If you add them up, you get 103.7%, which is the bookmaker's margin (vig).
When you bet on the moneyline, you're betting on the team to win, but you're also paying for the privilege if they're the favorite. Underdogs offer higher payouts but lower probability.
Step 3: Master the Point Spread – Leveling the Playing Field
The point spread is designed to make betting on either team more balanced. The favorite must win by more than the spread, while the underdog can lose by less than the spread (or win outright) for you to cash your bet.
For example, if the Boston Celtics are -5.5 against the Miami Heat, the Celtics must win by 6 or more points for a Celtics bet to win. If the Heat lose by 5 or fewer, or win outright, a Heat bet wins.
The odds for spread bets are usually -110 on both sides, meaning you need to bet $110 to win $100. This is the standard vig. Sometimes you'll see -105 or -115, which reflects the bookmaker's confidence in the line.
Key terms to know:
- Favorite: The team expected to win (indicated by a negative spread).
- Underdog: The team expected to lose (indicated by a positive spread).
- Push: If the favorite wins by exactly the spread (e.g., -5 and they win by 5), the bet is refunded.
When betting spreads, always check for line movements. If the spread moves from -5.5 to -6.5, it means more money is coming in on the favorite, and the bookmaker is adjusting to balance action.
Step 4: Understand Totals (Over/Under) and Prop Bets
Totals, also known as over/under, are bets on the combined score of both teams. The sportsbook sets a number, and you bet on whether the total points scored will be over or under that number.
For instance, if the total for a Phoenix Suns vs Denver Nuggets game is 220.5, you bet on whether the combined score will be 221 or more (over) or 220 or less (under). The odds are typically -110 on both sides.
Totals are influenced by pace of play, offensive and defensive ratings, injuries, and rest days. For example, if a key defensive player is out, the total might be adjusted upward.
Prop bets are wagers on individual player or team statistics, such as points, rebounds, assists, or even the number of three-pointers made. These are popular because they offer more variety and can be less predictable than game outcomes.
When betting props, consider matchups and recent form. A player facing a weak defense might have a higher points prop. Always compare lines across different sportsbooks to find the best value.
Step 5: Read Parlays and Teasers – High Risk, High Reward
Parlays combine multiple bets into one. All legs must win for the parlay to pay out. The more legs you add, the higher the potential payout, but the lower the probability of winning.
For example, a two-team parlay with both legs at -110 might pay around +260. A three-team parlay might pay +600. But if one leg loses, the entire bet loses.
Teasers allow you to adjust the spread or total in your favor, but you pay for it with reduced odds. For instance, a 5-point teaser might move a -5.5 spread to -0.5, but the odds drop to -120 or worse.
Parlays and teasers are tempting because of the big payouts, but they come with higher risk. If you're new to NBA betting, start with straight bets before diving into parlays.
Remember, the house edge increases with more legs, so only bet what you can afford to lose.