What Are Indonesian Odds?
Indonesian odds, also known as Indo odds, are a betting odds format that expresses the potential profit or loss per unit stake rather than per 100 units. This makes them distinct from American odds, which use a $100 base. Indonesian odds are presented as decimal numbers with a plus (+) or minus (−) sign to indicate whether a selection is an underdog or favorite.
The fundamental concept behind Indonesian odds is elegantly simple: they show how much profit you can make (or how much you need to risk) for every single unit you stake. This unit-based approach makes them particularly popular in Asian betting markets, where they serve as a bridge between American odds and regional preferences.
Why Do Indonesian Odds Exist? A Brief History
The origins of Indonesian odds trace back to the evolution of regional betting markets in Southeast Asia. When online betting platforms began expanding into Asia in the late 1990s and early 2000s, they faced a challenge: most platforms used American odds or decimal odds, but local bettors had different preferences and mathematical intuitions.
Indonesian odds emerged as a practical solution—a localized adaptation of American odds that better suited the betting culture and mathematical conventions of Asian markets. Rather than using $100 as the base unit (as American odds do), Indonesian odds use a single unit (1 unit). This made the format more intuitive for bettors accustomed to thinking in terms of direct profit per stake.
The format became especially popular in Indonesia, Malaysia, and Singapore, where online betting platforms offered Indonesian odds as a standard option alongside decimal and American odds. Today, while decimal odds dominate European markets and American odds rule in the US, Indonesian odds remain a preferred format for many Asian bettors and are offered by virtually every major international sportsbook.
Where Are Indonesian Odds Used Today?
Indonesian odds are most commonly found on:
- Asian sportsbooks: Particularly those operating in or serving Indonesia, Malaysia, Singapore, and Thailand
- International betting platforms: Major global sportsbooks offer Indonesian odds as one of several format options
- Regional betting exchanges: Platforms catering to Asian markets frequently display odds in Indonesian format
- Mobile betting apps: Many apps targeting Asian users default to or prominently feature Indonesian odds
While not as universally recognized as decimal or American odds, Indonesian odds maintain steady popularity among experienced Asian bettors and remain an important format for anyone betting on international platforms.
How Do Indonesian Odds Work?
Understanding how Indonesian odds function requires grasping three core concepts: the unit stake, the role of plus and minus signs, and the decimal precision used in the format.
The Role of Unit Stakes
The defining characteristic of Indonesian odds is their use of a unit stake as the baseline. A unit is simply one unit of currency—whether that's £1, $1, €1, or any other denomination. The odds then express the profit you'll make (or need to risk) relative to that single unit.
This differs fundamentally from American odds, which always use $100 as the reference point. With American odds of +150, you know you'll make $150 profit on a $100 bet. With Indonesian odds of 1.50, you know you'll make 1.50 units profit on a 1-unit bet. If you're betting in pounds and your unit is £1, then 1.50 odds means £1.50 profit per £1 staked.
The beauty of this system is its scalability. Whether you're betting £1, £10, or £100, the relationship between stake and profit remains consistent. A 1.50 Indonesian odds bet always returns the same proportion of profit relative to your stake.
Plus vs Minus Signs
Indonesian odds use plus (+) and minus (−) signs to convey crucial information about the bet:
Positive Indonesian Odds (e.g., +1.50, +2.10)
- Indicate an underdog selection
- Show how much profit you'll make per unit staked
- The odds number itself represents your profit
- Example: +1.50 means a £1 bet returns £1.50 profit (plus your £1 stake back = £2.50 total)
Negative Indonesian Odds (e.g., −1.50, −2.00)
- Indicate a favorite selection
- Show how much you must risk to make 1 unit of profit
- Example: −1.50 means you must risk £1.50 to win £1.00 profit
This sign convention is identical to American odds, which makes sense given that Indonesian odds are essentially American odds divided by 100. The sign tells you whether the selection is favored to win (minus) or unlikely to win (plus).
Decimal Precision in Indonesian Odds
Indonesian odds are typically displayed to two decimal places (e.g., 1.50, 2.10, −1.25), though some platforms may show additional decimal places for greater precision. This two-decimal convention reflects the format's origin as a scaled-down version of American odds.
The decimal precision allows for fine-grained adjustments in odds as betting markets move and probabilities shift. A sportsbook might adjust odds from 1.50 to 1.52 to reflect changing betting patterns or new information, offering precision that would be cumbersome in fractional odds format.
What's the Difference Between Positive and Negative Indonesian Odds?
The plus and minus signs in Indonesian odds represent one of the most critical distinctions in the format. Understanding the difference between positive and negative odds is essential for correctly interpreting payouts and managing your betting strategy.
Positive Indonesian Odds Explained
Positive Indonesian odds represent underdog selections—bets that the sportsbook views as less likely to win. The odds number directly represents your profit.
Example: +2.50 Indonesian odds
- You stake £10
- Profit: £10 × 2.50 = £25
- Total payout: £10 (stake) + £25 (profit) = £35
- You risk £10 to potentially win £25
The higher the positive odds, the less likely the sportsbook thinks the selection is to win. Odds of +3.00 represent a less likely outcome than odds of +1.50. Correspondingly, +3.00 offers larger potential profit (if you win) but represents a riskier bet.
Negative Indonesian Odds Explained
Negative Indonesian odds represent favorite selections—bets that the sportsbook views as more likely to win. The odds number represents how much you must risk to win 1 unit of profit.
Example: −1.50 Indonesian odds
- You stake £15
- Profit: £15 ÷ 1.50 = £10
- Total payout: £15 (stake) + £10 (profit) = £25
- You risk £15 to potentially win £10
With negative odds, the larger the number (in absolute terms), the heavier the favorite. Odds of −2.00 represent a stronger favorite than −1.50. Negative odds always require you to risk more than you stand to win, reflecting the lower risk associated with betting on the favorite.
Positive vs Negative Indonesian Odds: Side-by-Side Comparison
| Aspect | Positive Odds (e.g., +2.00) | Negative Odds (e.g., −2.00) |
|---|---|---|
| Bet Type | Underdog | Favorite |
| Probability | Less than 50% | More than 50% |
| Profit Calculation | Stake × Odds = Profit | Stake ÷ Odds = Profit |
| Risk/Reward | Risk less, win more | Risk more, win less |
| Example Stake | £10 | £20 |
| Profit | £10 × 2.00 = £20 | £20 ÷ 2.00 = £10 |
| Total Payout | £30 | £30 |
| Implied Probability | ~33% | ~67% |
Notice that both positive and negative odds can result in the same total payout—the difference lies in how much you must risk to achieve that payout.
How Do You Convert Indonesian Odds to Other Formats?
One of the most practical skills for bettors working with Indonesian odds is the ability to convert them to other formats. Whether you need to compare odds across platforms or verify calculations, these conversion formulas are essential.
Converting Indonesian Odds to Decimal Odds
Decimal odds are the most common format globally and are used extensively in Europe and Australia. The conversion formulas differ for positive and negative Indonesian odds:
For Positive Indonesian Odds:
- Formula: Decimal = Indonesian odds + 1
- Example: Indonesian +1.50 → Decimal 2.50
- Interpretation: A £1 bet returns £2.50 total (£1.50 profit + £1 stake)
For Negative Indonesian Odds:
- Formula: Decimal = 1 ÷ Indonesian odds + 1
- Example: Indonesian −1.50 → Decimal 1.67
- Calculation: (1 ÷ 1.50) + 1 = 0.67 + 1 = 1.67
- Interpretation: A £1 bet returns £1.67 total (£0.67 profit + £1 stake)
Converting Indonesian Odds to American Odds
American odds (also called moneyline odds) are standard in the United States and Canada. The conversion is straightforward—multiply the Indonesian odds by 100:
For Positive Indonesian Odds:
- Formula: American = Indonesian odds × 100
- Example: Indonesian +1.50 → American +150
- Interpretation: A $100 bet returns $150 profit
For Negative Indonesian Odds:
- Formula: American = Indonesian odds × −100
- Example: Indonesian −1.50 → American −150
- Interpretation: You must risk $150 to win $100 profit
Converting Indonesian Odds to Fractional Odds
Fractional odds (used primarily in the UK and Ireland) express odds as a ratio of profit to stake. The conversion requires a few extra steps:
For Positive Indonesian Odds:
- Formula: Fractional = Indonesian odds ÷ 1, expressed as a fraction
- Example: Indonesian +1.50 → Fractional 3/2 (or 1.5/1)
- Interpretation: For every 1 unit staked, you win 1.5 units profit
For Negative Indonesian Odds:
- Formula: Fractional = 1 ÷ Indonesian odds, expressed as a fraction
- Example: Indonesian −1.50 → Fractional 2/3
- Interpretation: For every 3 units staked, you win 2 units profit
Complete Odds Conversion Reference Table
| Indonesian | Decimal | American | Fractional | Implied Probability |
|---|---|---|---|---|
| +1.00 | 2.00 | +100 | 1/1 | 50.0% |
| +1.50 | 2.50 | +150 | 3/2 | 40.0% |
| +2.00 | 3.00 | +200 | 2/1 | 33.3% |
| +2.50 | 3.50 | +250 | 5/2 | 28.6% |
| +3.00 | 4.00 | +300 | 3/1 | 25.0% |
| −1.00 | 1.00 | −100 | 1/1 | 50.0% |
| −1.25 | 1.80 | −125 | 4/5 | 55.6% |
| −1.50 | 1.67 | −150 | 2/3 | 60.0% |
| −2.00 | 1.50 | −200 | 1/2 | 66.7% |
| −2.50 | 1.40 | −250 | 2/5 | 71.4% |
How Do You Calculate Profit with Indonesian Odds?
Calculating your potential profit or loss with Indonesian odds is straightforward once you understand the mechanics. The formulas differ slightly for positive and negative odds, but both are simple arithmetic.
Profit Calculation for Positive Indonesian Odds
With positive odds, the calculation is direct multiplication:
Formula: Profit = Stake × Odds
Example 1: £10 bet at +1.50
- Profit = £10 × 1.50 = £15
- Total payout = £10 (stake) + £15 (profit) = £25
- Your return on investment = 150%
Example 2: £50 bet at +2.50
- Profit = £50 × 2.50 = £125
- Total payout = £50 (stake) + £125 (profit) = £175
- Your return on investment = 250%
The beauty of positive odds is that the calculation scales perfectly with your stake. Double your stake, and you double your profit. This linear relationship makes bankroll management straightforward.
Profit Calculation for Negative Indonesian Odds
With negative odds, you need to divide your stake by the odds value:
Formula: Profit = Stake ÷ Odds
Example 1: £15 bet at −1.50
- Profit = £15 ÷ 1.50 = £10
- Total payout = £15 (stake) + £10 (profit) = £25
- Your return on investment = 66.7%
Example 2: £100 bet at −2.00
- Profit = £100 ÷ 2.00 = £50
- Total payout = £100 (stake) + £50 (profit) = £150
- Your return on investment = 50%
Notice that negative odds always produce a smaller profit relative to your stake. This reflects the lower risk associated with betting on favorites.
Total Payout vs Profit: Understanding the Difference
It's crucial to distinguish between profit (the amount you win beyond your stake) and total payout (the amount you receive if your bet wins, including your original stake):
- Profit = What you gain
- Total Payout = Your original stake + Profit
- Return on Investment (ROI) = (Profit ÷ Stake) × 100%
If you bet £100 at +2.00 Indonesian odds:
- Profit = £100 × 2.00 = £200
- Total payout = £100 + £200 = £300
- ROI = (£200 ÷ £100) × 100% = 200%
This distinction matters when comparing bets across different odds formats or when calculating your overall bankroll changes.
Profit Calculation Examples: Quick Reference
| Odds | Stake | Profit | Total Payout | ROI |
|---|---|---|---|---|
| +1.50 | £10 | £15 | £25 | 150% |
| +2.00 | £10 | £20 | £30 | 200% |
| +2.50 | £20 | £50 | £70 | 250% |
| −1.50 | £15 | £10 | £25 | 66.7% |
| −2.00 | £20 | £10 | £30 | 50% |
| −2.50 | £25 | £10 | £35 | 40% |
How Do Indonesian Odds Compare to Other Betting Formats?
To use Indonesian odds effectively, it helps to understand how they relate to other betting formats. Each format has advantages and disadvantages, and understanding the relationships between them helps you navigate different betting platforms with confidence.
Indonesian Odds vs American Odds
Indonesian odds and American odds are mathematically related—Indonesian odds are simply American odds divided by 100. However, this relationship creates important practical differences:
| Aspect | Indonesian Odds | American Odds |
|---|---|---|
| Base Unit | 1 unit | $100 |
| Format Example | +1.50, −2.00 | +150, −200 |
| Primary Market | Asia | United States, Canada |
| Readability | Smaller numbers | Larger numbers |
| Conversion | Divide American by 100 | Multiply Indonesian by 100 |
| Decimal Places | Typically 2 | Whole numbers |
| Psychological Impact | Feels more precise | Feels more dramatic |
Practical Example:
- A bet at American odds of +250 is identical to Indonesian odds of +2.50
- Both mean the same thing: risk 1 unit to win 2.50 units
- American odds just express this in terms of $100, while Indonesian odds use 1 unit
For bettors, the choice between Indonesian and American odds is largely psychological. If you prefer seeing smaller numbers and thinking in terms of single units, Indonesian odds feel more natural. If you're accustomed to American markets, American odds feel more intuitive.
Indonesian Odds vs Decimal Odds
Decimal odds are the most popular format globally and are standard in Europe, Australia, and many online platforms. The key difference is what the number represents:
| Aspect | Indonesian Odds | Decimal Odds |
|---|---|---|
| What It Represents | Profit per unit stake | Total return per unit stake |
| Format Example | +1.50 | 2.50 |
| Calculation | Stake × Odds = Profit | Stake × Odds = Total Payout |
| Includes Stake? | No | Yes |
| Conversion | Positive: add 1; Negative: 1÷odds+1 | Subtract 1 (for positive) |
| Intuitiveness | Requires mental math | Direct calculation |
| Global Popularity | Regional (Asia) | Widespread (Europe, Australia) |
Practical Example:
- Indonesian +1.50 = Decimal 2.50
- Both represent the same odds
- With Indonesian, you calculate profit then add your stake
- With decimal, you multiply your stake and get the total payout directly
Why This Matters: If you bet £10 at these odds:
- Indonesian: Profit = £10 × 1.50 = £15; Total = £25
- Decimal: Total = £10 × 2.50 = £25
Decimal odds are arguably more intuitive because the number directly represents your return per unit staked. However, Indonesian odds are excellent if you prefer thinking about profit separately from your original stake.
Indonesian Odds vs Hong Kong and Malay Odds
Hong Kong and Malay odds are two other Asian formats that share similarities with Indonesian odds but have important distinctions:
Hong Kong Odds:
- Identical to Indonesian odds in format and calculation
- Used primarily in Hong Kong and Macau
- Sometimes called "Asian odds"
- The terms are often used interchangeably, though Hong Kong odds technically predate the Indonesian format
Malay Odds:
- Similar to Indonesian odds but with inverted signs for negative odds
- Negative Malay odds are expressed as decimals less than 1 (e.g., −0.67 instead of −1.50)
- Creates potential for confusion when switching between formats
- Less commonly used than Indonesian or Hong Kong odds
| Format | Positive Example | Negative Example | Primary Region |
|---|---|---|---|
| Indonesian | +1.50 | −1.50 | Indonesia, Malaysia, Singapore |
| Hong Kong | +1.50 | −1.50 | Hong Kong, Macau |
| Malay | +1.50 | −0.67 | Malaysia (less common) |
| American | +150 | −150 | USA, Canada |
| Decimal | 2.50 | 1.67 | Europe, Australia |
| Fractional | 3/2 | 2/3 | UK, Ireland |
What Are Common Misconceptions About Indonesian Odds?
Despite their straightforward mechanics, Indonesian odds are frequently misunderstood. Clearing up these misconceptions will help you avoid costly betting mistakes.
Misconception 1: "Indonesian Odds Are Exactly Like American Odds"
The Myth: Many bettors assume Indonesian odds and American odds are interchangeable since they use the same plus/minus convention.
The Reality: While Indonesian and American odds share the same sign convention, they differ in scale. American odds are based on a $100 unit, while Indonesian odds use a 1-unit base. This means:
- American +150 = Indonesian +1.50 (not the same number)
- American −200 = Indonesian −2.00 (not the same number)
The relationship is simple (divide American by 100 to get Indonesian), but confusing them can lead to serious calculation errors. Always verify which format you're using before placing a bet.
Misconception 2: "Negative Odds Always Mean Lower Payouts"
The Myth: Some bettors believe that because negative odds require larger stakes, they always result in lower total payouts.
The Reality: Negative odds require you to risk more to win less per unit, but the relationship between odds and payout is more nuanced. Two bets with different odds can produce identical payouts:
- £10 at +1.50 Indonesian odds = £25 total payout
- £15 at −1.50 Indonesian odds = £25 total payout
The odds don't determine absolute payout; they determine the relationship between stake and return. A higher stake at negative odds can produce the same or higher payout than a lower stake at positive odds.
Misconception 3: "You Can't Use Indonesian Odds for Parlays"
The Myth: Some bettors believe Indonesian odds don't work for parlay bets (bets combining multiple selections).
The Reality: You can absolutely use Indonesian odds for parlays. The process is the same as with any other format:
- Convert Indonesian odds to decimal (add 1 for positive; 1÷odds+1 for negative)
- Multiply all decimal odds together
- Multiply the combined odds by your stake
Example: 3-leg parlay
- Leg 1: Indonesian +1.50 (Decimal 2.50)
- Leg 2: Indonesian +2.00 (Decimal 3.00)
- Leg 3: Indonesian −1.50 (Decimal 1.67)
- Combined odds: 2.50 × 3.00 × 1.67 = 12.53
- £10 stake × 12.53 = £125.30 total payout
Indonesian odds work perfectly fine in parlays; you just need to convert them to decimal first.
What Does the Future Hold for Indonesian Odds?
The betting landscape is constantly evolving, and Indonesian odds will likely continue to adapt alongside broader market trends.
Digitalization of Asian Betting Markets
The rapid growth of mobile betting and digital platforms in Asia is expanding access to Indonesian odds. As smartphone penetration increases and digital payment systems improve, more bettors can easily access platforms offering Indonesian odds. This democratization of betting has made Indonesian odds more accessible to casual bettors while maintaining their popularity among experienced Asian bettors.
Standardization vs Regional Preference
One question that arises is whether Indonesian odds will eventually be standardized into decimal or American formats. However, evidence suggests the opposite: regional preferences persist strongly. Just as fractional odds remain popular in the UK despite the global dominance of decimal odds, Indonesian odds are likely to remain a standard offering on Asian platforms for the foreseeable future. The format has become deeply embedded in Asian betting culture and is unlikely to disappear.
Impact of Regulated vs Unregulated Markets
As more Asian countries move toward regulated betting markets (particularly Singapore and Malaysia), we may see increased standardization in how odds are presented. Regulated markets typically offer multiple odds formats to cater to diverse bettors, which benefits Indonesian odds by giving them official legitimacy and wider platform availability.
Frequently Asked Questions About Indonesian Odds
What exactly are Indonesian odds?
Indonesian odds are a betting format that expresses profit or required risk per unit stake, using plus (+) for underdogs and minus (−) for favorites. They're essentially American odds divided by 100, making them popular in Asian betting markets.
How do I know if Indonesian odds are positive or negative?
The plus (+) or minus (−) sign tells you immediately. A plus sign means it's an underdog bet (less likely to win, higher potential profit). A minus sign means it's a favorite bet (more likely to win, lower potential profit).
Can I convert Indonesian odds to decimal odds?
Yes, easily. For positive odds, add 1 (e.g., +1.50 becomes 2.50). For negative odds, divide 1 by the odds and add 1 (e.g., −1.50 becomes 1.67).
What's the difference between Indonesian odds and Hong Kong odds?
They're virtually identical in format and calculation. The terms are sometimes used interchangeably, though they originated in different regions.
How do I calculate my profit with Indonesian odds?
For positive odds: multiply your stake by the odds. For negative odds: divide your stake by the odds. The result is your profit; add your original stake to get your total payout.
Are Indonesian odds better than decimal odds?
Neither is objectively better—it depends on your preference. Indonesian odds require a mental step (adding your stake to the profit), while decimal odds give you the total return directly. Choose whichever feels more intuitive to you.
Can I use Indonesian odds for parlays?
Yes. Convert them to decimal odds first, multiply all the decimal odds together, then multiply by your stake.
Why do some sportsbooks offer Indonesian odds?
Because they're popular in Asia and cater to the preferences of bettors in that region. Most major sportsbooks offer multiple odds formats to accommodate different user preferences.
Is it legal to bet using Indonesian odds?
The legality depends on your location and which sportsbook you use. The odds format itself is neutral; what matters is whether the sportsbook you're using is licensed and regulated in your jurisdiction.
How do Indonesian odds relate to implied probability?
Implied probability is the likelihood of an outcome occurring based on the odds. Higher odds (like +3.00) imply lower probability; lower odds (like −3.00) imply higher probability. You can calculate implied probability by converting odds to decimal and using the formula: 1 ÷ Decimal Odds = Implied Probability.
Related Terms
- Decimal Odds — The most popular global odds format
- American Odds — Odds format standard in the United States
- Hong Kong Odds — Asian format nearly identical to Indonesian odds
- Malay Odds — Regional variation of Asian odds format
- Fractional Odds — Traditional UK and Irish odds format
- Implied Probability — The probability of an outcome based on odds
- Odds Converter — Tool for converting between odds formats
- Moneyline Odds — Another name for American odds