All analysesVerdict: Better Off Passing. Rating 59 out of 100. Grade B.
Ai
AiOddsLab
Bet365
59/ 100
Better Off PassingB
Price or risk doesn't justify it
Kylian Mbappe anotará dos o más goles
Your price is worse than fair (-2.1% vs fair). Skip unless you have a strong independent read.
Your odds
+220
Fair odds
+227
Edge
-2.1%
Est. true win chance30.6%
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Ai
AiOddsLab
Market Neutral conf.
Bet365
59/ 100
Better Off PassingB
Kylian Mbappe anotará dos o más goles
Your price is worse than fair (-2.1% vs fair). Skip unless you have a strong independent read.
Win probability — your price vs fair
-2.1% edge
Your odds imply31.3%
Fair line implies30.6%
$100 → your payout
$320
$100 → fair payout
$327
You give up
−$7
Your odds
+220
Fair odds
+227
Edge
-2.1%
Grade BConfidence Market Neutral
Graded vs the book's own price. Fair value devigged from Bet365's line — treat the edge as an estimate.
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How this bet was graded
Grade B · 59/100 · Better Off Passing
We graded Kylian Mbappe anotará dos o más goles at +220 on Bet365 by comparing the offered price to a vig-free consensus of the wider market. The ticket centers on Kylian Mbappe. The bet earned a B grade (59/100), which we label "Better Off Passing".
The headline number is edge versus fair: -2.14%. That figure is the long-run expected return per dollar staked, assuming the market consensus is an unbiased estimate of true probability. Because we couldn't fully match this market across other books, fair value here was derived from the host book's pre-boost line — treat the edge as directional rather than precise.
Fair odds calculation
Fair +227 · Implied 30.6%
Fair odds represent the price you'd see in a perfectly efficient, zero-margin market. To compute them we pull current prices from the available sportsbooks on the same market, strip out each book's vig, and average the resulting no-vig probabilities. The averaged probability for this outcome lands at 30.6%, which converts to fair odds of +227.
Compared to the boosted price of +220 (a +0.0% move from the original line), that produces an edge of -2.14%. In plain English: if the market is right about the true probability, you'd expect to lose about 2.1 cents on every dollar staked, on average, across many bets of this exact shape.
Historical context
Midrange dogs (+200 to +500) · Soccer · player_prop
Across AiOddsLab's database, we've scored 777 graded Soccer bets, average edge of +4.86%, average rating 48/100.
Narrowing to the same market type, 59 graded player_prop tickets, average edge of +15.26%, average rating 59/100. This is the closest apples-to-apples reference for the bet you're looking at.
Filtering by odds range alone (midrange dogs (+200 to +500)), 192 graded tickets, average edge of +5.16%, average rating 51/100.
In the trailing 90 days, 777 graded Soccer bets, average edge of +4.86%, average rating 48/100. Compare that to the all-time baseline above to see whether grading and outcomes have drifted recently.
Stats update as new tickets are analyzed and graded. Sample sizes below 5 are suppressed.
Why the market disagrees
The wider market is pricing this outcome tighter than Bet365's line suggests is reasonable. With an edge of -2.1%, you're paying a premium versus the consensus fair price of +227. The bet can still win — odds are not destiny — but the price embeds a built-in disadvantage that compounds across repeated wagers. Shopping the same market at a sharper book, or waiting for the line to move, is usually the correct response.
Frequently asked questions
What does a -2.1% edge mean?
Edge measures the gap between the price you're getting (+220) and the fair price implied by the broader market (+227). A negative edge of -2.1% means the price is worse than fair value. You can still win the bet, but the long-run math is against you.
Does a positive edge mean the bet is likely to win?
No. Edge and win probability are different things. The market still implies roughly a 31.3% chance this hits at the offered odds. A +EV bet is one that pays more than its true probability warrants — most +EV bets at long odds still lose individually. The edge only shows up across many similar wagers.
How are fair odds calculated?
Fair odds are derived by taking sportsbook prices on the same market, removing the bookmaker's vig (the built-in margin), and averaging the resulting no-vig probabilities. For this bet we used the available market price to estimate a true win probability of 30.6%, which converts to fair odds of +227. The boosted price of +220 is then compared against that fair line to compute edge.
Why does this grade differ from the sportsbook's advertised lift?
Sportsbooks usually advertise the percentage lift over their own original price, which they set with house margin built in. Our grade compares the boosted price to a vig-free market consensus, so a "+50%" advertised lift can still grade poorly if the original line was already inflated, and a small lift can grade well if it pushes a fair price into +EV territory.
Should I bet every bet that grades well?
Grading is a price-quality signal, not a guarantee. Even an B-grade bet can lose, and you should size stakes within your bankroll, account for correlation between legs, and consider your own information about the matchup. This tool helps you avoid bad prices — it doesn't replace judgment or responsible bankroll management.