Understanding ScoreBet Odds: Parlay, Moneyline, and Spreads Explained

Sports betting can feel like a new language if you’re just getting started. Terms like moneyline, spread, and parlay are tossed around constantly, and odds formats can look confusing. This guide breaks down how ScoreBet (and most sportsbooks) present odds for moneyline, spreads, and parlays, how to convert those odds into potential payouts and implied probabilities, and practical tips to bet smarter and manage risk.

Moneyline: The simplest bet

What it is

A moneyline bet is the most straightforward wager: you pick which team (or player) will win the game outright. There’s no point margin to cover—just a win, loss, or sometimes a push if the event ties and ties are allowed.

How odds work (American format)

American odds are commonly shown on ScoreBet. They come in two forms:

- Positive odds (e.g., +150): shows how much profit you would make on a $100 wager. +150 means a $100 bet wins $150 profit, returning $250 total (stake + profit).

- Negative odds (e.g., -200): shows how much you must wager to win $100 profit. -200 means you must bet $200 to win $100 profit, returning $300 total.

Converting to implied probability

Implied probability tells you how likely the market thinks an outcome is:

- For positive odds: implied probability = 100 / (odds + 100). Example: +150 → 100 / (150 + 100) = 0.40 = 40%.

- For negative odds: implied probability = odds / (odds + 100) where odds are the absolute value. Example: -200 → 200 / (200 + 100) = 0.6667 = 66.67%.

Why it matters

Comparing your own estimate of a team’s chance to win against the implied probability helps identify value bets. If you think a team with implied probability 40% actually has a 50% chance, that’s potentially +EV (positive expected value).

Point Spread: Betting the margin

What it is

A point spread evens the playing field by handicapping the favorite and giving points to the underdog. Instead of betting who wins, you bet whether a team will “cover the spread.”

Example

If Team A is -6.5 vs Team B +6.5:

- Team A must win by 7 or more points to cover (-6.5).

- Team B covers if it loses by 6 or fewer points or wins outright (+6.5).

Common pricing

Spread bets are often priced around -110 on each side (sometimes shown as 1.91 in decimal). The extra roughly 10% built into both sides is the sportsbook’s “juice” or vigorish—their commission.

Pushes and whole-number spreads

If the spread is a whole number (e.g., -7) and the favorite wins by exactly 7, the bet is a push and your stake is returned unless the sportsbook has specific rules (e.g., overtime). Half-point spreads (-6.5) eliminate pushes.

Totals (Over/Under)

Closely related to spreads, totals are wagers on the combined score. You bet over or under the posted number. Pricing and logic follow the same patterns as spread bets.

Parlays: Bigger payout, bigger risk

What it is

A parlay combines multiple bets (legs) into one single wager. All legs must win for the parlay to cash. Because the probability of getting several outcomes correct is lower than one, the payout is significantly higher.

How payouts are calculated

Parlay payouts are based on the product of the decimal odds of each selection. Convert American odds to decimal odds first:

- Positive American: decimal = 1 + (odds / 100). Example: +150 → 2.50.

- Negative American: decimal = 1 + (100 / |odds|). Example: -110 → 1.9091.

Example three-leg parlay

Three legs each priced at -110 (decimal ≈ 1.9091):

- Parlay multiplier = 1.9091 × 1.9091 × 1.9091 ≈ 6.96.

- A $10 parlay returns about $69.60 (profit ≈ $59.60).

Why parlays tempt bettors

The allure is obvious: a small stake can turn into a large payoff. But because each additional leg increases variance and reduces probability of winning, parlays are a negative expected value product for most casual bettors over time—bookmakers price the juice into the composite odds.

Important parlay rules and pitfalls

- Correlated outcomes: Some sportsbooks restrict or void parlays containing correlated outcomes (e.g., Team A moneyline and Team A to cover spread + betting same game totals). Check ScoreBet’s rules for how they treat single-game parlays.

- Minimum odds and limits: Some offers require minimum odds per leg or max payout caps.

- Cash out: Some sportsbooks let you cash out a parlay early for a reduced return if some legs already won. Availability varies.

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Basic math for bettors: finding value

A bettor’s goal should be to find bets where your estimated probability exceeds the implied probability of the odds after accounting for vig. For single bets, calculate fair value like this:

1. Convert odds to implied probability.

2. Subtract sportsbook margin (vig) to estimate fair market probability if necessary.

3. Compare to your own estimate; if your estimate is higher, the bet might be +EV.

Practical tips for betting on ScoreBet (or any sportsbook)

1. Shop lines

Different sportsbooks will price lines slightly differently. Open accounts at multiple books (if legal in your region) to get the best odds for the same bet.

2. Understand the juice

A standard -110 price on spreads/totals means you’re effectively paying about 4.5% implied commission per side. Recognize how much the vig impacts long-term expected return.

3. Manage bankroll

Use a staking plan: many pros recommend flat stakes of 1–2% of your bankroll per single bet. Parlays should be a very small percentage because they’re high variance.

4. Avoid extreme parlays

Long parlays (6+ legs) are entertainment bets more than profitable plays. Limit parlay size if your goal is long-term growth.

5. Read the terms

Promotions, boosted odds, and parlay boosts often come with restrictions (min odds, eligible markets, etc.). Check ScoreBet’s T&Cs before claiming offers.

6. Be careful with correlated parlays

Some combinations look profitable but are often disallowed or heavily discounted by sportsbooks.

7. Use implied probability for quick checks

Always convert odds to implied probability to see whether the market’s price matches your model. It’s the quickest sanity check.

Closing thoughts

Understanding moneyline, point spread, and parlay mechanics will make you a smarter bettor. Moneyline bets are simple and straightforward; spread bets require you to think about margin and pushes; parlays offer big payouts but are inherently long shots. The key to long-term success is disciplined bankroll management, line shopping, and betting when you genuinely have an edge based on thoughtful probability estimates—not emotion. If you’re using ScoreBet, familiarize yourself with its specific rules for parlays, cash outs, and promotions so you know exactly how bets are priced and settled. Bet responsibly and treat wagering as entertainment with a cost rather than a guaranteed income source.