The Correlation Cheat Sheet: How to Build Same Game Parlays That Actually Win

Let’s be honest for a second: most bettors treat Same Game Parlays (SGPs) like lottery tickets.

You scroll through the sportsbook app, find three or four players you “have a feeling” about, mash the “Over” button on all of them, and hope for a miracle. And sure, when that +5000 ticket hits once a year, you feel like a genius. But if you look at your account history, you’re probably bleeding value.

If you are tired of donating your bankroll to the sportsbooks, it’s time to stop betting on luck and start betting on logic.

The secret isn’t picking better players—it’s understanding Correlation.

The Problem: Betting Against Yourself

Most SGPs fail not because the predictions are bad, but because the parlay is built to fight against itself.

I see this all the time: A bettor takes the “Over” on a Quarterback’s passing yards but also takes the “Under” on his WR1.

Think about the logic there. If the Quarterback is having a career day and throwing for 300+ yards, who is catching the ball? It’s almost certainly his top target. By taking the “Under” on the receiver, you are actively betting against your own Quarterback pick. You are asking for two contradicting things to happen at the same time.

To build SGPs that actually cash, you need to stop guessing and start building a narrative that makes sense.

Positive Correlation: The “Stack”

Positive correlation is the bread and butter of a professional SGP strategy. It simply means: If Event A happens, Event B is significantly more likely to happen.

This is where you gain your edge. Sportsbooks charge a “vig” (fee) on every leg of your parlay. But when events are highly correlated, the true probability of them hitting together is often higher than the odds the book is giving you.

The Classic NFL Stack

If Patrick Mahomes throws for 300+ yards, it is mathematically probable that Travis Kelce has 80+ receiving yards.

When you parlay these two together, you aren’t just guessing; you are telling a cohesive story about the game. If Mahomes eats, Kelce eats. By linking them, you increase your edge because you only need one specific game script to go right for both legs to hit.

The “Shootout” Theory

Correlation applies to opponents, too. If you bet the Over on the Quarterback for the favorite (e.g., Josh Allen), consider betting the Over on the opposing Quarterback as well.

Why? Because if Josh Allen scores 35 points, the other team can’t run the ball. They have to throw to catch up. A high-scoring offense forces the opponent into a passing game script. That is positive correlation in action.

Negative Correlation: The “Hedge” Trap

On the flip side, we have Negative Correlation. This is where most casual bettors lose money without even realizing it.

Negative correlation means: If Event A happens, Event B is LESS likely to happen.

The Possession Limit

Let’s say you bet the Over on a Running Back’s rush attempts (say, 20+ carries). Then, you add the Over on the Quarterback’s pass attempts.

This is a bad bet. Why? Because a football game only has 60 minutes.

  • If the Running Back carries the rock 20 times, the clock keeps running.
  • Running plays consume time and reduce the total number of offensive snaps.

If you are betting on a “ground and pound” game script, you should be looking at the QB’s Under, or avoiding his props entirely. Don’t build a parlay that requires a game to go into double overtime just to break even.

Beyond Football: The NBA Pick-and-Roll

This logic applies to every sport. In the NBA, look for the “Point Guard + Center” correlation.

If Tyrese Haliburton is going to have 12+ assists, who is finishing those plays? Often, it’s the Center rolling to the rim. Betting the PG’s Assist Over with the Center’s Points Over is a correlation play that relies on the exact same mechanic (the Pick-and-Roll) succeeding repeatedly.

Stop Guessing, Start Calculating

calculated +EV bets

You can try to work this out in your head, or you can use data to do the heavy lifting for you.

At StatsBench, we don’t just show you raw stats; we show you the connections. We track hit rates and correlations so you can see exactly which teammates perform well together. Instead of guessing if a QB/WR duo has chemistry, use our tools to see if they have “Green” hit rates in the same games.

How to Use the Cheat Sheet

  1. Identify a “Core” Play: Find a player with a high hit rate (e.g., 70% in the last 10 games).
  2. Check Correlations: Look for teammates whose production rises when your Core player performs well.
  3. Avoid Conflicts: Ensure you aren’t betting on two players who are fighting for the same ball (like betting the Over on three different WRs from the same team).

Ready to build smarter parlays?
👉 Check out the Free StatsBench Cheatsheet here

Stop firing blindly at the board. Use the correlation cheat sheet, build a narrative that makes sense, and start cashing more tickets.

Frequently Asked Questions

What is “Correlation” in sports betting?

Correlation refers to the relationship between two different betting outcomes. “Positive Correlation” means if one bet wins, the other is more likely to win (e.g., QB Passing Yards and WR Receiving Yards). “Negative Correlation” means if one wins, the other is less likely to win (e.g., Running Back Rushing Yards and QB Passing Attempts).

Do sportsbooks allow you to parlay correlated events?

Yes, this is the entire premise of the “Same Game Parlay” (SGP). However, sportsbooks often reduce the payout odds for highly correlated events because they know the events are linked. The skill is finding correlations that the sportsbook algorithm hasn’t priced down correctly.

Is a Same Game Parlay better than a straight bet?

Generally, straight bets are more profitable long-term because they have a lower “house edge.” However, SGPs can offer high value if you use correlation correctly to minimize your risk. If you are just picking random legs without correlation, SGPs are usually a losing strategy.