Early access open

The book knows what you've lost. Now you do too.

Your app shows your win rate. It never shows the number that matters, what betting has really cost you.

BetImpact tracks your action across DraftKings, FanDuel, Kalshi, and Polymarket on one board, shows the cut the book takes on every line before you tap, and keeps the real up-or-down number. Free during beta.

See what a bet really costs Poke around the demo
$220B
wagered legally each year in the US
95%
of bettors lose money long term
4.55%
of every dollar kept by the book at standard -110 lines
$17B+
bet on major events every year

SOURCE: AMERICAN GAMING ASSOCIATION / HOLD COMPUTED FROM STANDARD -110 TWO-WAY PRICING

True-cost calculator

Price the bet before you place it

Enter both sides of the line. The calculator strips the vig, recovers the fair probability, and shows what the bet really costs. The math is the same devig the sharps use.

Bet inputs

The standard price at most sportsbooks is -110

Both sides together reveal the overround

15 bets/week20

The readout

Expected value per bet

-$4.55

At -110 both ways, the fair win probability is 50.0% and the book keeps the difference

Projected 52 weeks

-$1,182

Vig on your side

2.38 pts

What $1,182 buys instead

  • 23
    video games
  • 59
    pizza nights
  • 14
    concert tickets

Four billion-dollar platforms quote the same outcome 4.2 points apart. When the experts disagree that much, your sure thing is not so sure.

Full terminal with ledger and patterns

4.2 PTS

That is how far apart DraftKings, FanDuel, Kalshi, and Polymarket priced the same Chiefs moneyline on the same Sunday. If the companies setting the odds cannot agree, paying them a vig to guess is a bad trade.

Why disagreement matters

Every point of spread is money on the table

A bettor who takes -145 at one book when another quotes the equivalent of -122 pays roughly 4 extra points of implied probability for the identical outcome. BetImpact puts every platform's quote on one board, so the worst line never gets your money by default.

The demo terminal shows the live-style board, the devig math, and a season ledger built from the same numbers. See it work.

Capabilities

Six instruments, one terminal

Each claim below is proven with numbers on the demo terminal, not adjectives.

01

Cross-platform ledger

DraftKings, FanDuel, Kalshi, and Polymarket positions in one book of record.

Proven on the P&L Ledger tab

02

True P&L

Not your win rate. Your net result after every fee, vig, and losing streak.

Proven by the -$1,260 season ledger

03

Line shopping

Every platform's quote side by side, with the best line flagged before you bet.

Proven on the Odds Board tab

04

Tilt patterns

Chase sequences, late-night losses, and doom parlays flagged while they are still cheap.

Proven on the Tilt Patterns tab

05

EV before every bet

The devig readout prices the house edge on any two-sided line in real time.

Proven by the calculator above

06

Private by design

Your betting record never gets sold to a sportsbook or a data broker. It is yours.

Commitment, in writing, at launch

Pricing

Free during beta

The house charges you 4.55 cents on the dollar to play. We charge nothing to see it.

$0

during beta, full terminal

  • True-cost calculator and devig readout
  • Cross-platform odds board
  • Season P&L ledger
  • Tilt pattern alerts

Locked

launch pricing for early members

  • Waitlist members keep beta pricing when paid plans arrive
  • No card required to join
  • Cancel interest any time, one click