The measurement
90 matches, September–October 2026, odds 24 hours before kick-off, simultaneously at Fonbet, Stoiximan, Novibet. Margin = sum of (1/odds) − 1. The odds calculator does exactly that calculation for any trio.
| Competition | Fonbet | Stoiximan | Novibet |
|---|---|---|---|
| Super League 1X2 | 4.6% | 5.1% | 4.9% |
| Super League O/U 2.5 | 4.8% | 5.3% | 5.0% |
| Champions League 1X2 | 3.9% | 4.6% | 4.4% |
| Premier League 1X2 | 4.2% | 4.7% | 4.5% |
| Euroleague winner | 4.8% | 5.0% | 5.1% |
| ATP tennis winner | 5.8% | 5.4% | 5.6% |
| Minor leagues | 7.5% | 6.8% | 7.0% |
What it means in euros
A 0.5% margin difference on €2,000 annual turnover is €10 per €1,000 — €20 a year, a free slip a month. On €10,000 turnover, €50. Small per slip, systematic in total — which is why experienced players compare odds before every slip.
Boomerang: 3.9% margin in the Super League
On matches with the 🪃 mark, Match Winner (1 or 2) + 0-0 finish = stake refunded. 0-0 is ~8% of Super League matches → the real 1X2 margin drops from 4.6% to ~3.9%. Up to €50 per slip. Terms on promotions.
Asian handicap & Bet Builder
Asian is Fonbet’s most competitive market: quarter lines, refunds on whole numbers, 3.5–4% margin. Bet Builder prices correlation correctly and — rare — has Cash Out. The acca calculator shows how margins multiply across 3+ legs.
Super League 2026-27 long-term
Olympiacos 1.65 · PAOK 3.40 · AEK 4.50 · Panathinaikos 7.00. Market margin 7.8% (Stoiximan 9.1%). AEK 0.75 above the average — the most interesting price of the season.
Tax: the invisible factor
Profit up to €100 per slip: 0%. Ten singles of €90 pay nothing; one acca of €900 pays €180. The tax calculator shows it slip by slip.
Odds change. 21+ | HGC | Play responsibly.