Free bets are the most common welcome offer in Irish sports betting — and the most misunderstood. This guide breaks down exactly how they work: the mechanics, the maths, and how to get genuine value from them. No guaranteed wins, no made-up numbers.
Stake Not Returned: What It Really Means
The single most important free bet mechanic is stakes not returned (SNR). When you use an SNR free bet token, your winnings are calculated on the profit only — not the total return including stake.
Example: €20 free bet at odds of 3.0. If it wins, you receive €40 (the profit), not €60 (profit + stake). That one rule cuts the headline value of most free bets roughly in half. Almost every offer in Ireland is SNR by default; offers paid including the stake (FBIS) are rare and usually worth more.
| Free bet | Odds | Win = receive | Lose = receive | Expected value (fair odds) |
|---|---|---|---|---|
| €20 SNR | 2.0 | €20 | €0 | €10.00 |
| €20 SNR | 3.0 | €40 | €0 | €13.33 |
| €20 SNR | 5.0 | €80 | €0 | €16.00 |
| €20 FBIS | 2.0 | €40 | €0 | €20.00 |
Expected value = (win payout × win probability). Fair odds assumed (no bookmaker margin applied).
Minimum Odds Requirements
Most free bet offers come with two separate minimum odds conditions:
- Qualifying bet: The real-money bet you place first to trigger the free bet. Typically odds of 1.5–2.0. If you go below this, the free bet is not credited.
- Free bet itself: Some offers also require minimum odds on the free bet token (e.g. 1.5+). Placing a free bet on a 1.1 favourite can void the winnings entirely.
Always read both conditions before placing either bet. Losing a qualifying bet is acceptable — it is a cost of the offer. Losing the free bet winnings to a terms breach is avoidable.
Single-Use vs Split Free Bets
A headline offer of “€50 in free bets” often means five €10 tokens, not one €50 token. This matters because:
- You cannot combine split tokens into one bet — each must be used separately.
- Targeting higher odds (which improve SNR value) across five separate selections is harder.
- Expiry clocks may differ across tokens or all run from the same credit timestamp.
A single €50 token used at 4.0 has an expected value of around €37.50. Five €10 tokens at the same odds have the same EV — but the split forces more selections and more chances for one bet to lose its odds eligibility.
How to Calculate Real Free Bet Value
The formula: EV = (odds − 1) × free bet amount × implied win probability
At fair odds, implied win probability = 1 ÷ odds. So for a €20 free bet at 4.0:
- Implied win probability = 1 ÷ 4.0 = 25%
- Profit if win = (4.0 − 1) × €20 = €60
- EV = €60 × 25% = €15.00
Real bookmaker odds are shorter than fair odds — the margin is typically 5–8%. So the real expected value is closer to €13.80–€14.25 on a €20 SNR token at 4.0. That is still roughly 70% of face value, which is significantly better than using the token at short odds.
Welcome offer for new customers. Min odds and T&Cs apply. 18+. No guaranteed wins — this is a betting offer, not a cash equivalent.
See Current Offer →Frequently Asked Questions
It means the free stake itself is not paid out if you win. Place a €20 free bet at odds of 3.0 and win — you receive €40 in winnings, not €60. The €20 stake disappears either way.
Most bookmakers require odds of at least 1.5 or 2.0 on the qualifying bet and sometimes on the free bet itself. Using shorter odds can void the offer entirely — always read the terms before placing either bet.
No. A €50 SNR free bet used at odds of 3.0 has an expected value of around €33 — about two-thirds of the headline figure. At odds of 2.0 it drops to roughly €25. Higher odds (3.0–5.0) extract more value from a stakes-not-returned token.