In the fast-paced world of online betting, understanding the language of the game is just as important as choosing the right odds. Whether you’re exploring 91 Club for the first time or you’ve been betting for years, knowing what terms like AH, O/U, or RTP mean can drastically improve your decisions and potential winnings.
Every betting slip, odds board, and casino table is filled with abbreviations and jargon. If you don’t speak the language, you could be placing blind bets — and risking your bankroll. This guide is designed to help you decode the 50 most important betting terms, categorized by purpose. Let’s dive into the core language of betting, from the basics to expert-level terminology — all explained simply and clearly for players on 91 Club.
1. Types of Bets & Betting Lines
Understanding bet types is essential — especially in sports betting. Here’s a breakdown of the most common categories you’ll see:
Asian Handicap (AH)
This popular format gives the underdog a virtual advantage.
Examples:
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+0.5 means the underdog wins the bet even if the match ends in a draw.
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-1.25 means the favorite must win by 2+ goals for a full payout.
1X2 (Three-Way Betting)
Standard in European football betting:
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1 = Home win
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X = Draw
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2 = Away win
Over/Under (O/U)
A bet on the total number of goals or points.
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O/U 2.5: You win “Over” if the total score is 3 or more.
Double Chance (DC)
Covers two outcomes in one bet:
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1X = Home win or draw
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12 = Either team wins
Draw No Bet (DNB)
A safety net: if the match ends in a draw, your stake is refunded.
Correct Score (CS)
Predict the exact final score.
Riskier but higher payout.
Both Teams to Score (BTTS)
Yes/No bet: will both teams score at least once?
First Half/Full Time (HT/FT)
Predict the result at halftime and full-time.
Example from 91 Club:
You see a line like “AH +0.75”. That means your team can lose by 1 goal and you still win part of your bet. Perfect for tight matches.
2. Odds & Payout Terminology
Understanding how odds and payouts work helps you gauge value in your bets.
Odds Formats
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Decimal (Europe): Example: 2.50 means 100,000 VND stake returns 250,000 VND.
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Hong Kong: Shows net profit (e.g., 1.5 = 150% profit).
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Malay: Used in Asian markets, can show positive or negative odds.
Stake / Bet Amount
The money you risk per bet.
Payout
The total return: stake + profit.
Cash Out
An option to end your bet early and lock in a profit or cut losses.
Rollover
The number of times a bonus must be wagered before withdrawal.
Min/Max Bet
Limits on how much you can wager in a single bet.
Wagering Requirement
Conditions tied to bonuses, often stated as “10x deposit + bonus”.
Example:
You place a 100K VND bet with odds of 2.0. If it wins, you get 200K VND. If you choose to Cash Out early when your team is leading 1–0, the system might offer 160K depending on time and momentum.
3. Common Betting Abbreviations
These abbreviations appear across sports betting dashboards.
| Abbreviation | Meaning | Usage Example |
|---|---|---|
| HT/FT | Half Time / Full Time | HT Draw / FT Home win |
| CS | Correct Score | 2–1, 1–1, etc. |
| BTTS | Both Teams To Score | Yes/No |
| FG / LG | First / Last Goal | Bet on team/player scoring first |
| PK | Penalty Kick | Will there be a penalty in match? |
| ET / FT / AET | Extra Time / Full Time / After Extra Time | In knockout matches |
| YC / RC | Yellow Card / Red Card | Card totals |
| SOT | Shots on Target | Often used in player props |
| COR | Corners | Total corner kicks |
| PUSH | No win, no loss | Stake returned on tied result |
| O/E | Odd/Even total goals | Will total goals be odd or even? |
| FH | First Half | Bets settled by halftime |
| Totals | Combined score | Often used in Over/Under markets |
Example:
At 91 Club, betting “BTTS – Yes @1.90” means you’re backing both teams to score at least once.
4. Betting Strategy & Bankroll Terms
Understanding betting strategies and bankroll management is essential if you want to shift from casual play to long-term success. While luck plays a role, it’s sound strategy and discipline that separate successful bettors from the rest. These are the top 10 terms you need to know to make smarter, more sustainable choices when betting at 91 Club.
Bankroll
Your bankroll is the total amount of money you have set aside exclusively for betting. Never mix it with daily living expenses. Managing your bankroll wisely helps you survive downswings and stay in the game longer.
Unit Size
A unit represents a consistent fraction of your bankroll — often 1% to 5%. For example, if your bankroll is 10 million VND, 1 unit = 100K VND. This keeps your stakes proportional to your funds and avoids emotional betting.
Value Bet
A bet that has higher real probability of success than what the odds suggest. If you find a football match where the underdog is underestimated, and you believe their chances are better than the bookie suggests, you’ve found value.
Surebet (Arbitrage Betting)
This involves placing bets on all possible outcomes using different bookmakers with varying odds. The goal is to guarantee a profit regardless of the result. However, it’s rare, requires precise timing, and may be flagged by betting platforms.
ROI (Return on Investment)
This measures betting profitability:
ROI = (Profit ÷ Total Bet Amount) x 100
Tracking your ROI helps determine if your strategy is effective over time.
Expected Value (EV)
This is the theoretical average return if a bet were repeated many times. A positive EV means you’re likely to win long-term.
Example:
Betting 100K on odds of 2.10 with a 55% success probability = +EV.
Variance / Volatility
Variance refers to the ups and downs of your results. Slot games at 91 Club, for instance, often have high volatility — meaning you might hit a big jackpot but also experience long dry spells. Understanding this helps you set realistic expectations.
Martingale Strategy
A high-risk method where you double your bet after every loss. One win covers all previous losses. While it sounds tempting, it can quickly drain your bankroll without a high cap or enough funds.
Flat Betting
A low-risk strategy where you stake the same amount on every bet, regardless of previous outcomes. It’s ideal for beginners and reduces emotional swings.
Example:
With a ₹5,00,000 bankroll, a 2% unit size means each bet is ₹10,000. This helps stretch your playing time and manage losing streaks without panic.
Mastering the language of betting isn’t just for show — it’s a strategic advantage that separates beginners from sharp, informed players. By understanding these 50 abbreviations and core concepts, you gain the clarity and confidence to navigate any betting slip, odds format, or casino table with ease.
At 91 Club, we’re committed to helping you play smarter, not riskier. Whether you’re passionate about football betting, exploring high-stakes slot games, or enjoying real-time action through our Live Casino platform, this knowledge empowers you to make more calculated, successful decisions.
👉 Ready to put your knowledge into action?
Sign up now at 91 Club and unlock access to our full suite of betting options — including trusted odds, fast payouts, secure deposits, and non-stop entertainment across sports, slots, and live dealer games.
