Guide

Are profit boosts actually +EV?

Quick answer

Sometimes, and it's checkable. A profit boost is +EV only when the boosted payout beats the bet's true (no-vig) chance of winning. A real % boost on a fairly priced bet is one of the best bets on the app. A fake 'boosted' price that's still below fair value is just marketing. Our free boost EV calculator does the check from your odds, the boost percent and the fair odds.

People tap every boost the app shows them and assume they’re getting a deal. Some are deals. A lot are bait. The difference is one price check, and once you know it you can’t unsee it.

First, what a boost actually is

A profit boost multiplies the profit on a winning bet. A 50% boost on +100 pays like +150. That’s the whole mechanic. On its own it’s marketing. Applied to the right bet, it’s edge.

The key word is the right bet. A boost doesn’t make a bad bet good. It makes a fair bet great.

The trap that catches everyone

Books know “boost” is the most clickable word in the app. So they take a market, bump the odds a little, slap boosted on it, and use it to push markets you’d normally skip.

Here’s what that looks like. A “super boost” at +260 that looks juicy. Except fair value on that bet is +280. You’re still on the bad side. It just feels like a deal.

I’ve watched the same parlay get offered at +200 as a super boost while it sat at +215 on two other books, unboosted. That’s not a boost. That’s a worse price with a marketing label on it.

The actual math

Expected value is one line:

EV% = (fair win probability × boosted decimal payout) − 1

Worked example. $25 on a +100 bet with a 50% profit boost pays like +150, which is 2.50 in decimal. If the fair price is -105, that’s a 51.2% shot. So EV = 51.2% × 2.50 − 1 = +28%. About +$7 of expected profit on a $25 boost.

That’s a real number, and it’s exactly why books cap boost stakes at $25 or $50. Run your own through the boost EV calculator, it does this formula for you.

Same bet, different boost sizes, and you can watch the edge scale:

EV of a +100 bet at fair -105, by boost size
25% boost+15.2%
50% boost+28%
75% boost+40.9%
100% boost+53.7%

And here’s one straight from my log: fair line +240, boosted to +260. Small gap, real edge, handed over by the book. Those show up every single day if you actually check.

The 5-second test

Compare the boosted price to the bet’s true price.

If the boosted price beats fair, it’s real. Take it. If it doesn’t, skip it, no matter how big the boost badge is.

That’s the entire filter. The hard part isn’t the math, it’s knowing the fair price. That comes from the market: take a sharp book’s prices on both sides, strip the vig, and what’s left is the true number. The no-vig calculator does that step for you, and the boost EV calculator takes it from there.

Why this doesn’t feel like winning

Each boost is a small edge. There’s no 12-leg parlay screenshot. One +EV boost is a boring, tiny win.

But a few of them a day, every day, stack up. I’ve logged 5,000+ bets this way over my career, I’m up about +$74k all time, and I went green 11 of 12 months in 2025. No viral slips. Just boosts checked against fair value and logged every day. And every boost we take lands on the public results page, so you don’t have to take my word for anything.

Some months are good. Some months are basically nothing. That’s variance, and anyone who promises otherwise is selling something. Over enough volume the math side wins.

The honest catches

  • Min odds rules push you toward longshots, where your fair-value estimate has to be sharper.
  • Stake caps limit each win. The edge is real, the size is small.
  • Parlay requirements stack vig on every extra leg. Two -110 legs cost you around 9% in combined vig before any boost starts helping. The parlay calculator page charts that cost from one leg to ten.
  • A boost on a bad market is still a bad bet. The label means nothing. The price means everything.

Where to see it done

We run a free Discord where the card and the boosts are posted at noon Eastern and the results the next morning, wins and losses both: join the free Discord. The same boosts are on the boosts tab of the card page before the games.

On a player prop, the Lab, our free prop board, shows the best price posted on each side of every line, so you can see whether a boosted number beats what another book posts without one. Its prices are refreshed through the day, not live. The next question is what to use a profit boost on.

Written by Ben at Steezanomics. Every play logged in public, losses included.

Quick answers

Do profit boosts apply to profit or total payout?

Profit. A 50% boost on +100 pays like +150, because the $100 win on a $100 bet becomes $150. Every major book does it this way.

Are super boosts real boosts?

A lot of them aren't. A book takes a market, bumps the odds a little, slaps 'boosted' on it, and it looks like value. Boosted to +260 when fair value is +280 is still a bad bet. Always compare the boosted price to the fair price.

How much can you actually make from profit boosts?

Depends on volume and stake caps. Each boost is a small edge, but they show up every day. I've logged 5,000+ bets doing this and went green 11 of 12 months in 2025. It stacks up slowly, not in one night.

What's a fair price and where do I find it?

The no-vig line. Take a sharp book's prices on both sides of the market, strip the vig, and what's left is the true price. The boost EV calculator on this site does the comparison once you have it.

Does Steezanomics post the boosts it takes?

Yes. They are on the boosts tab of our daily card page before the games and in a free Discord at noon Eastern, with the results the next morning, wins and losses both. The record is public on the results page.

Want tonight's board?

The Lab has the full slate: every line with L5, L10, L20 and season hit rates, game logs, matchup context and the best price at your books. A short daily card of picks is posted before the games and graded in public afterwards, win or lose. The Lab is free, and it stays free.