Know what every bet is worth.Before you place it.
Parity Odds prices every bet, prop, and promo at your sportsbooks against the sharp market with the vig removed, so you can see which ones are worth it.
- Free calculators, no account
- Sportsbooks don't pay us
- Cancel online, any time
5 bets clear your 2% minimum
Your books: FanDuel, DraftKings, Fanatics · Bankroll $1,000
Best edge +5.0%
- DraftKingsPrice +150 · fair +138+138+5.0%$8
Knicks to win
NBA · Celtics @ Knicks
- FanDuelPrice -105 · fair -112-112+3.1%$8
Dolphins +3.5
NFL · Bills @ Dolphins
- FanaticsPrice +110 · fair +104+104+2.9%$7
Under 5.5 goals
NHL · Bruins @ Rangers
- DraftKingsPrice -120 · fair -127-127+2.7%$8
Broncos QB over 1.5 pass TDs
NFL · Chiefs @ Broncos
- FanDuelPrice -110 · fair -115-115+2.1%$6
Ohio State -13.5
NCAAF · Penn State @ Ohio State
For bettors 21 and older. A research tool, not a sportsbook.
- US sportsbooks priced
- 7
- sports: NFL, college football, NBA, NHL
- 4
- free calculators, no account
- 15
- from sportsbooks. No affiliate links
- $0
Your books, against the sharp market
- FanDuel
- DraftKings
- Fanatics
- BetMGM
- Caesars
- theScore Bet
- BetRivers
- Pinnacle sharp
- LowVig sharp
- BetOnline sharp
The toolkit
Everything you need to bet smarter
One subscription for the board, props, promos, line shopping, trends, and your record.
- Pro
Positive EV
The +EV board
Every price at your books against the fair price from sharp books. Bets that clear your minimum edge, with a stake sized to your bankroll.
- Pro
Player props
Props, priced
The softest market. Priced against sharp books when they post a prop, against the consensus when they don't, and labeled which.
- Pro
Promo converter
Boosts and bonus bets
Every boost, bonus bet, and no-sweat offer turned into dollars, with the best places to use it tonight.
- Pro
Line shopping
The best price
The price at every book side by side, alternate lines included.
- Pro
Bet tracker
Graded on the close
Log a pick and we grade it on closing-line value, which shows skill long before wins and losses can.
- Pro
Trends
Honest trends
Angles tested on years of results, with the tout-style record next to the realistic one.
- Pro
Bankroll
Stakes that fit
Fractional Kelly with a hard cap on any one bet, set by you. The math is on every bet.
- Free
Free tools
Promo calculators
Profit boost, odds boost, bonus bet, no-sweat, de-vig, and Kelly. No account, no card.
Open the calculators
How it works
Math, not hunches
The same method professional bettors use, done for every price at your books. Try the core of it yourself: five bets, your call on each.
- 1
We find the fair price
We pull every price from the major US sportsbooks and from sharp books like Pinnacle, then remove the vig to get each bet's fair chance.
- 2
We flag the mistakes
When one of your books pays more than the fair price, the difference is your edge. The board shows it, with the price at every book.
- 3
You decide, we grade
You place the bets you like at your own books. Log them and we grade each one on closing-line value, the fastest honest measure of skill.
Spot the edge · 30-second game
Bet 1 of 5
Knicks to win
DraftKings pays
+150
2.50 in decimal · needs 40.0%
Fair chance (sharp, no vig)
42%
Fair price +138
Stop guessing which boosts are worth it
Books hand out boosts and bonus bets every day, and many aren’t worth the click. We turn each one into a dollar value against the fair price, find the best places to use it, and size the hedge that locks a bonus bet in.
- Profit and odds boosts, priced
- Bonus bet and no-sweat converters
- Best places to use a boost tonight
Home team to win
$25 max bet
- Boosted price implies
- 30.8%
- Fair chance (sharp, no vig)
- 40.0%
Your record
+1.8% average CLV- Knicks to win+2.0%Took +150 · fair close +138
- Dolphins +3.5+2.1%Took -105 · fair close -114
- Under 5.5 goals+1.4%Took +110 · fair close +104
Know if you’re good, not just lucky
Win rates take thousands of bets to mean anything. Beating the closing line shows up in weeks. Every pick you log is graded against the fair closing price, and our own record is public, bad stretches included.
Why Parity Odds
No locks. No hype. Just the math.
Most betting products sell confidence. We sell prices: what a bet is worth, how sure we are, and how our own record holds up against the closing line.
No picks for sale
We don't sell locks, systems, or a guru's card.
No bets taken
We never take a bet or place one for you.
No affiliate money
Sportsbooks don't pay us, so no book gets a better ranking.
No win-rate hype
We publish closing-line value, with the sample size next to it.
Pricing
Free tools. Pro when you're ready.
Try Pro free for 7 days, no card needed. Cancel online any time.
Free
The calculators and the public record. No card, no time limit.
$0forever
No card, no time limit
- Profit boost, odds boost, bonus bet, and no-sweat calculators
- De-vig, hold, and Kelly calculators
- How many bets clear your minimum edge right now
- Log 10 picks a month, graded on closing-line value
- The public record and the weekly recap
Free for good.
Pro
The full board, priced against the sharp market every few minutes.
$199per year
$16.58 a month, billed once a year
- Everything in Free
- The board: every price at your books against the fair price, with edge and stake
- Bet detail: the price at every book, the sharp prices behind it, the Kelly math
- Player props, priced against sharp books when they post them
- Best places to use a boost tonight, and the bonus-bet hedge finder
- Trends: validated angles, your own watchlist, and the tester
- Unlimited pick logging and your full CLV record
7 days free, no card needed. Cancel online any time.
Learn
Become a sharper bettor
Plain-English guides to the math behind every bet.
FAQ
Questions, answered
Which sports and books?
NFL, college football, NBA, and NHL. The board covers FanDuel, DraftKings, Fanatics, BetMGM, Caesars, theScore Bet, and BetRivers, priced against sharp books such as Pinnacle where they post a line. You pick which of them you use.
What is +EV betting?
A bet is positive expected value (+EV) when the price pays more than the bet's fair chance deserves. Over many bets, taking better-than-fair prices is the most reliable edge there is. It still loses plenty of individual bets.
Is this a picks service?
No. It's a research tool: it shows the math behind a price and leaves every decision to you. Edges big enough to bet are uncommon, and some days there are none; we'd rather show you that than invent one.
Will it make me money?
Nobody can promise that, and we won't. Pricing promos properly and betting at better prices than the close are the most reliable edges we know, but betting always carries risk. Only bet what you can afford to lose.
Do I need a lot of sportsbooks?
No. The board only shows prices at the books you pick. More books means more chances at a good price, but two or three is enough to start.
Can I cancel?
Yes, online, in a couple of taps. No calls, no emails.
Founding members
Get in early. Lock in the founding price.
We’re opening to a small group first. Join the list for the founding price: $19 a month, for as long as you stay.