Understanding +EV Parlays: The Math Behind the Magic
Before diving into SmartBettor’s +EV Parlay Generator, let’s understand why +EV parlays can be so powerful. Most bettors know that parlays typically benefit the sportsbooks – in fact, over half of New Jersey sportsbooks’ $608 million profit in 2021 came from parlays alone. This is because parlays compound the house edge: if you’re making -EV bets, combining them makes them even more negative.
But here’s the exciting flip side: when you parlay +EV bets together, you can actually multiply your edge. Let’s break this down with a simple example:
Single Bet Example:
- Odds: -110
- True win probability: 55%
- Bet amount: $100
- Expected Value calculation:
- Potential payout: $90.91
- EV = (0.55 × $90.91) – (0.45 × $100)
- EV = +$2.83 (2.83%)
Two-Leg Parlay Example:
- Two independent bets, each with 55% win probability
- Combined probability: 0.55 × 0.55 = 0.3025 (30.25%)
- Combined odds: +499
- Bet amount: $200
- Expected Value calculation:
- Potential win: $499.05
- EV = (0.3025 × $499.05) – (0.6975 × $200)
- EV = +$11.46 (5.73%)
As you can see, parlaying these two +EV bets more than doubled the total expected value from $5.66 (two separate bets) to $11.46 (parlay)!
Why This Works
The math behind this is fascinating. When you combine +EV bets in a parlay:
- Your win probability decreases (making it harder to win)
- But your payout increases exponentially
- When the bets have positive expected value, the increased payout more than compensates for the lower win probability
This is exactly why sportsbooks love parlays – they usually benefit from this same mathematical principle when bettors combine -EV bets. We’re simply turning their own weapon against them.
Introducing the +EV Parlay Generator
We’re excited to introduce the +EV Parlay Generator – a powerful new tool that makes it easier than ever to create profitable parlays. While most bettors struggle to find and combine +EV bets, our tool does the heavy lifting for you, helping you generate mathematically profitable parlays with just a few clicks.
Key Features
1. Personalized Sportsbook Selection
- Choose which sportsbooks you want to use for your parlays
- See only the bets and odds available at your preferred books
- No more wasting time on odds you can’t actually bet
2. Customizable Parlay Generation
- Specify exactly how many parlays you want to generate
- Choose your preferred number of legs per parlay
- Let the tool automatically find the most profitable combinations from hundreds of current +EV bets
3. Real-Time +EV Display
- See the expected value of each individual leg
- Watch how your total parlay EV changes as you add or remove legs
- Make informed decisions about which bets to include
4. Easy Editing and Customization
- Browse through hundreds of current +EV betting opportunities
- Add or remove legs with a single click
- Fine-tune your parlays until they’re perfect
5. One-Click Bet Placement
- Save your favorite parlays to your SmartBettor bet slip
- Place bets directly through your chosen sportsbook with one click
- No more manually rebuilding parlays at the sportsbook — with one click, your parlay is transferred and populated in your sportsbook’s bet slip
How to Use the +EV Parlay Generator
Step 1: Set Your Preferences
- Select your active sportsbooks from the dropdown menu
- Input how many parlays you want to generate
- Specify your preferred number of legs per parlay
Step 2: Generate Parlays
- Click “Generate Parlays” to see multiple options automatically created from current +EV bets
- Each parlay will show:
- Individual leg details (teams, odds, expected value)
- Total parlay odds
- Potential payout
- Combined expected value
Step 3: Customize Your Parlays
- Browse the available +EV bets database by clicking ‘Edit Parlay’ and ‘Add Leg’
- Add or remove legs to optimize your parlay
- Watch the total expected value update in real-time
Step 4: Place Your Bets
- Save promising parlays to your bet slip by clicking ‘Add to Bet Slip’
- Review all your selected parlays in one place
- Click ‘Bet’ to automatically create the parlay at your chosen sportsbook
Pro Tips for Using the Generator
Customization Strategies
- Replace lower EV legs with higher ones from the available bets list
- Consider game times when building parlays – you might want all games to start around the same time
Bankroll Management
- Save multiple parlay options to compare their risk/reward profiles
- Use the expected value calculations to inform your bet sizing
- Consider limiting the number of parlays you place at once to manage variance
Concepts Summary
The Compounding Effect
Understanding the compounding nature of +EV bets is crucial for maximizing your profits:
- A -EV bet of -2% combined with another -EV bet of -2% results in a parlay with -3.96% EV
- A +EV bet of +2% combined with another +EV bet of +2% results in a parlay with +4.04% EV
This compounding effect explains why:
- Most parlays lose money (they compound negative value)
- +EV parlays can be extremely profitable (they compound positive value)
- Sportsbooks often limit parlay sizes and payouts (they know the math too!)
Why Use SmartBettor’s +EV Parlay Generator
While the math behind +EV parlays is compelling, finding and combining these bets manually is extremely challenging:
- You need to identify multiple +EV bets available at the same time
- The bets need to be on the same sportsbook
- You need to calculate complex probabilities and expected values
- You need to track odds changes in real-time
- You need to manage multiple combinations efficiently
SmartBettor’s tool automates this entire process, making it possible to harness the power of +EV parlays without the headache of manual calculations and tracking.
Conclusion
The +EV Parlay Generator transforms the way you create parlays, making it easier than ever to build profitable combinations. By automating the search for +EV bets and simplifying the parlay building process, you can focus on what matters most: making smart betting decisions. And now that you understand the mathematical edge behind +EV parlays, you can use this tool with confidence, knowing you’re applying sound betting principles to maximize your potential returns.
Ready to start building more profitable parlays? Head to the +EV Parlay Finder page. Need help getting started? Our support team is always here to help.
Remember: The +EV Parlay Finder is a tool to help you find value, but always bet responsibly and within your means.

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