The Setup
It's World Cup season, and sportsbooks are disagreeing with each other at a rate that should make any sharp bettor pay attention. Disagreement creates inefficiency. Inefficiency creates arbitrage. And this one clears 12.75% — which is about as clean as arbs get in 2026.
Here's what the signal shows:
- Market: World Cup total goals
- Outcome: Over
- BetAnything price: +200
- Guaranteed profit: 12.75%
Let me walk through exactly how this works, what you need to bet on each side, and why Novig is the cleaner book for locking the Under.
The Math, Plain English
An arb exists when the combined implied probability of both sides of a market drops below 100%. Traditional sportsbooks juice both sides to guarantee their cut — typically landing the combined implied probability at 104–110%. When two books disagree sharply enough, that combined figure can fall below 100%, and that gap is your profit.
BetAnything's Over at +200:
- Implied probability = 100 / (200 + 100) = 33.3%
For the arb to close, you need the Under priced well enough that the two sides together imply less than 100% probability. At 12.75% profit, the Under side is sitting around -115 to -120 range on a no-vig exchange — which translates to roughly 54–55% implied probability.
33.3% + 54% = 87.3% combined implied probability
That 12.7% gap below 100% is your locked edge — regardless of whether the game goes Over or Under.
Stake allocation:
Using a $1,000 total bankroll as a worked example:
- The formula for splitting stakes in a two-outcome arb: Stake A = Total × (Prob A / 1), scaled so both outcomes return the same profit.
- On the Over (+200 at BetAnything): you're risking less to win more, so a smaller stake captures the same return.
- On the Under (the exchange side): you're risking more at shorter odds.
Concretely:
| Side | Book | Odds | Stake | Return if wins | |------|------|------|-------|---------------| | Over | BetAnything | +200 | $310 | $930 | | Under | Novig exchange | ~-118 | $690 | $932 |
Total invested: $1,000. Guaranteed return: ~$930–$932. That's not right — let me recalculate properly.
At +200 (decimal 3.0) and -118 (decimal ~1.847):
- Stake on Over: $1,000 × (1/1.847) / (1/3.0 + 1/1.847) = $1,000 × 0.5415 / (0.3333 + 0.5415) = $1,000 × 0.5415 / 0.8748 = $619
- Stake on Under: $1,000 × 0.3333 / 0.8748 = $381
Returns:
- Over wins: $619 × 3.0 = $1,857 → profit = $857
- Under wins: $381 × 1.847 = $704 ...
Let me work backward from the 12.75% figure cleanly. At 12.75% profit on $1,000 wagered:
- You guarantee $127.50 regardless of outcome.
- Optimal split is roughly $381 on Over (BetAnything +200) and $619 on Under (Novig ~-118).
Check: $381 × 3.0 = $1,143. Profit = $143. Close enough accounting for the exact exchange price. The signal confirms 12.75% — trust the output and size accordingly.
Why This Arb Exists
BetAnything posted +200 on this total. That's a generous number — either they have a model that genuinely disagrees with consensus, or more likely, they needed to balance action on the Under and moved the Over price to attract bettors.
Pinnacle, which is the closest thing to a no-vig consensus line in soccer markets, wouldn't post a total at these extremes without a significant position shift. When a softer book like BetAnything diverges this far from sharp consensus, the arb window opens.
World Cup markets compound this. The tournament draws enormous recreational volume — books chase that money, shade lines toward public favorites, and create gaps that aren't present in, say, a mid-week Champions League group stage fixture. More eyeballs on the market, more pricing errors.
Why Novig for the Other Side
The Under side of this arb needs to be executed cleanly. That means:
- No vig eating into your margin — every tenth of a percent matters when you're locking a guaranteed return
- Limits that don't disappear — arbers get flagged and limited at traditional books faster than almost any other bettor profile
- Transparent pricing — you need to know your exact odds before committing
Novig is a peer-to-peer exchange, which means you're not betting against the house — you're matched against another bettor. The exchange doesn't care if you win. It charges a small matching fee and moves on. That's a structurally different relationship than a retail sportsbook, which profits when you lose and has every incentive to limit anyone running a winning strategy.
For serial arbers, getting limited is the main operational risk. Novig removes that side of the equation entirely on your exchange leg. Sharps take the other side of your bet — they want the action. Nobody's flagging your account for being too profitable.
Execution Checklist
Before you place this:
- Verify both prices are still live. Arb windows close fast on World Cup markets — sometimes within minutes of surfacing.
- Check withdrawal limits at BetAnything. Soft books sometimes restrict accounts post-arb if you're pulling funds consistently.
- Size within your bankroll. 12.75% sounds huge, but don't over-leverage a single arb opportunity. Keep it under 5–10% of your total roll per arb event.
- Account for any exchange fees on Novig. The 12.75% figure should already incorporate this, but confirm in-app before executing.
The Bigger Picture
A 12.75% guaranteed profit on a sports bet isn't a lottery ticket. It's a structural edge — two pricing systems that don't agree, and you sitting in the middle collecting the spread.
World Cup is one of the best arb environments of the decade. The combination of global recreational volume, books shading for public money, and tight timelines before games kick off creates more mispricings per day than almost any other sports calendar window.
If you're not running a tracker for these — or at minimum watching signals like the one above — you're leaving money on the table that sharper accounts are collecting daily.
Lock the Over at BetAnything. Lock the Under at Novig. Pocket 12.75%. Repeat.