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How to value a welcome offer
Headline number vs real value
A welcome offer usually leads with a big, round figure. “Get up to €500” or “Deposit €100, play with €200” is the line the banner wants you to remember, and it is the line that shapes most people’s first impression of the site. Our job as reviewers is to treat that figure as a starting point for arithmetic, not as a conclusion. The headline number is almost never the value you receive, because it is normally expressed as the maximum possible bonus rather than the amount you will realistically get, and because it comes attached to conditions that decide whether any of it is genuinely yours.
The first thing to separate is bonus versus free bet versus risk-free bet versus cashback. A matched deposit bonus of “up to €200” usually means the book will add a bonus equal to some percentage of your first deposit, capped at that figure. If the match is 100 per cent and the cap is €200, you need to deposit €200 to receive the full amount — deposit €50 and you get €50, not €200. So the headline is a ceiling, and the ceiling is only reachable if you fund the account at or above the qualifying deposit. A free bet, by contrast, is a fixed token: it does not scale with your deposit, and it typically returns only the profit from a winning wager, not the stake. A risk-free bet refunds your first losing stake as a bonus or free bet rather than adding money up front. Cashback returns a percentage of losses over a period. These four structures behave completely differently once you actually bet, and comparing a €200 matched bonus with a €50 free bet on headline alone tells you nothing.
The second distinction is between bonus funds and bonus value. If a book credits €100 of bonus money but requires you to wager it many times over before withdrawal, the €100 is not worth €100 to you — it is worth whatever you can expect to keep after the wagering is done, minus the risk you took getting there. A rough way to think about it: the more times you must turn the bonus over, and the worse the odds you must bet at, the less of that headline figure survives. A €100 bonus with a low rollover at fair odds might be worth most of its face value in expectation. The same €100 with a punishing rollover on poor-value markets might be worth a small fraction, or nothing, once the house edge has ground it down.
There is also the question of what the bonus is denominated in and what it can be used for. A bonus that can only be staked on a narrow set of markets, or only on accumulators above a certain number of legs, is worth less than one you can deploy freely, because restricted markets usually carry worse prices or higher variance. A bonus that cannot be combined with other promotions, or that expires within days, is worth less than one with a generous window. None of this appears in the headline. It appears in the terms, and the terms are where the real number lives.
Finally, be sceptical of the word “up to.” It is doing a lot of work in most welcome offers. It signals that the advertised figure is conditional, and the conditions are usually stacked so that the maximum is achievable only by the exact deposit size the book prefers and only if you clear the full wagering requirement without breaching any rule. For a careful reader, the useful question is not “how big is the headline?” but “what is the smallest realistic deposit that unlocks a meaningful bonus, and what do I have to do to keep it?” That reframing turns a marketing figure into a decision.
Factoring in wagering
Wagering requirements are the single most important number in any welcome offer, and the one most often buried. A wagering requirement — also called rollover or playthrough — is the total amount you must stake before you can withdraw funds derived from the bonus. It is usually expressed as a multiple of the bonus, sometimes of the bonus plus deposit. If you receive a €100 bonus with a 30x wagering requirement on the bonus, you must place €3,000 in qualifying bets before any winnings from that bonus become withdrawable. If the requirement is 30x on bonus plus deposit and you deposited €100 to get €100, the base is €200 and you must stake €6,000. Same headline, double the work.
The base matters enormously, so read which figure the multiplier applies to. Many books apply it to the bonus only, which is friendlier. Others apply it to the deposit plus bonus, which is stricter. A few apply it to the bonus but then exclude certain bet types from counting toward the total, which is stricter still in practice. When you see “35x” you should immediately ask: 35x of what, and which bets count?
Not every stake counts equally toward rollover. Odds matter. A common rule is that only bets placed at odds of 1.50 or higher count in full, while bets below a threshold count partially or not at all. Some books count only the stake, others count stake plus winnings, and a few count only the lower of stake and potential profit. This means two bettors can place identical total stakes and clear very different portions of their rollover, purely because of the prices they took. If you grind rollover at very short odds — the kind of near-certain selections that feel safe — you may find that those bets barely move the needle. If you take longer odds, you clear rollover faster but expose the balance to more variance, and variance can wipe a bonus out before you finish.
The interaction between wagering and expected value is where the honest maths sits. Every bet you place has a negative expected value against the house edge, and rollover forces you to place many bets. The more you must stake, the more the house edge compounds against the bonus. A large bonus with a very high rollover can have a lower expected value than a small bonus with a low rollover. This is why a €200 bonus at 40x is not obviously better than a €50 bonus at 10x — do the multiplication before you feel flattered by the bigger number. The bonus is a subsidy against the edge; if the required turnover is large enough, the subsidy is consumed.
There are also game-weighting rules. Sportsbook bonuses usually require you to bet on sports, and different sports or markets may contribute different percentages to rollover. A football bet might count 100 per cent, a horse racing bet 50 per cent, and some exotic markets zero. Casino-style wagering attached to a sports bonus, if permitted at all, is often weighted heavily against you — a slot might contribute 10 per cent, meaning €10 of slot stake counts as €1 toward rollover. If you plan to clear the bonus on a specific sport, confirm that sport is fully weighted before you commit. A requirement that looks manageable at 30x can become effectively 300x if your chosen market is weighted at a tenth.
Time limits are the quiet killer. Rollover must usually be completed within a set window — often a matter of weeks — and any bonus and associated winnings are forfeited if you miss it. A generous-looking 30x becomes much harder if you have to clear it in a fortnight around a busy schedule. Stack that against a modest 15x with a two-month window and the “smaller” offer may be far more realistic to actually complete. The value of a bonus is not just its size divided by its rollover; it is that figure adjusted for whether a normal person can plausibly finish the job in the time allowed.
Coin and min-deposit conditions
Welcome offers at crypto-native books are frequently denominated in coin rather than fiat, and this changes the arithmetic. If a bonus is stated in bitcoin or a stablecoin, its fiat value floats with the market between the moment you claim it and the moment you clear it. A bonus worth a given amount in euro today may be worth noticeably more or less by the time you finish wagering, and the terms usually fix the wagering requirement in coin, not in euro. That means a falling price does not reduce your rollover obligation in coin terms, even as the euro value of the bonus shrinks. You can end up grinding the same number of coin-units of turnover against a bonus whose purchasing power has quietly halved.
Stablecoin-denominated bonuses avoid the price drift but not the other conditions. What matters is which coins are accepted for the qualifying deposit, whether the bonus is paid in the same coin, and whether conversion between coins attracts a spread or fee. Some books credit the bonus in the coin you deposited; others credit a house token or a different asset, and the conversion may happen at a rate you did not choose. If the bonus is paid in a token with thin liquidity, its nominal value can be hard to realise, and the effective value is lower than the headline suggests. Read what asset you are actually receiving, not just the number attached to it.
Minimum deposit thresholds are a common source of disappointment. A welcome offer often requires a minimum first deposit — sometimes modest, sometimes not — to qualify at all. Below that threshold you may receive nothing, or a reduced bonus, or you may qualify only for a different promotion. It is worth checking whether the minimum is per deposit or cumulative, whether subsequent deposits can top up toward the qualifying amount, and whether the minimum is stated in fiat or in coin. A “minimum €20 equivalent” can shift meaningfully with the exchange rate, and a book that pegs the minimum in coin may require a slightly different fiat amount each day.
Deposit method can also gate the offer. Some bonuses exclude certain funding routes, or treat on-chain deposits differently from internal transfers, or require the qualifying deposit to be the very first transaction on the account. If you have already deposited once — even a token amount to test the site — you may have disqualified yourself without realising it. This is a frequent and avoidable mistake: the welcome bonus is usually a first-deposit bonus, and a small exploratory deposit can consume your eligibility. If you intend to claim, make the qualifying deposit the first thing you do.
There is also the matter of withdrawal conditions on the deposit itself. Some books let you withdraw your own deposit before clearing wagering, others lock the deposit alongside the bonus until rollover is met. If your deposit is locked, you have effectively committed that capital for the duration of the wagering period, and you should weigh that against any alternative use. The bonus is not free money sitting beside your deposit; in many structures it is a package where your own funds are tied up too. That opportunity cost belongs in the valuation, especially if the rollover window is long and the amounts are large.
Comparing two offers fairly
To compare two welcome offers honestly, reduce each to a small set of comparable figures rather than reacting to the headline. The most useful is the expected retained value: roughly, the bonus amount minus the expected cost of clearing the wagering requirement, adjusted for the probability you will actually complete it. You do not need a spreadsheet to get the ranking right in most cases, but you do need to hold the variables constant. Compare like with like — matched bonus against matched bonus, free bet against free bet — because the structures are not interchangeable.
Start by normalising the headline to a realistic deposit. If Offer A is “100 per cent up to €200” and Offer B is “50 per cent up to €500,” the sensible comparison is not €200 versus €500 but what each pays on the deposit you actually intend to make. On a €100 deposit, A gives €100 and B gives €50. The bigger ceiling on B is irrelevant unless you are depositing €1,000, and even then you should ask whether tying up that much capital is wise. Normalise to your own deposit size first, then compare.
Next, express each wagering requirement in absolute turnover rather than as a multiplier, because the multiplier alone hides the base. Offer A: €100 bonus at 30x on bonus = €3,000 turnover. Offer B: €50 bonus at 20x on bonus plus deposit (€150 base) = €3,000 turnover. Suddenly the “smaller” bonus with the “lower” multiplier demands the same total staking. Only the absolute figure tells you the real workload. Once you have both turnover figures, weigh them against the bonus each unlocks and the odds you can realistically bet at.
Then layer in the constraints that affect completion: the rollover window, the minimum odds that count, the weighting of your preferred markets, and whether the deposit is locked. Two offers with identical headline and turnover can differ sharply if one gives you eight weeks and the other two, or if one fully weights football and the other weights it at half. A helpful habit is to imagine the least favourable plausible path — you bet at the minimum qualifying odds, in the least-weighted market you actually use, and finish just inside the deadline — and ask whether the bonus still looks worthwhile. If it only works under best-case assumptions, it is a weaker offer than its numbers suggest.
Finally, compare the exit. What is left after rollover, and how easily can you withdraw it? A bonus that converts to withdrawable cash with no further conditions is worth more than one that converts to more bonus credit with a fresh set of requirements, or that caps your maximum withdrawal from bonus winnings. Some offers limit how much you can ever take out from a bonus-derived balance; a headline €200 might come with a maximum conversion of, say, a few times the bonus, which caps the upside regardless of how well you run. The comparison is not finished until you know what you can actually walk away with.
When to skip the bonus
Sometimes the correct decision is to decline the welcome offer and simply play with your own funds. This is not defeatism; it is arithmetic. If the wagering requirement is high enough and the qualifying odds low enough, the expected cost of clearing the bonus can approach or exceed the bonus itself. In that case you are taking on extra risk and extra turnover for a subsidy that does not cover the edge you are paying. A bonus that is worth, in expectation, a couple of euros is not worth hours of grinding and the risk of a variance wipeout.
Skip the bonus when the rollover window is unrealistic for your schedule. If you cannot plausibly place the required turnover in the time allowed, the bonus will expire and take its associated winnings with it. A bonus you cannot finish is worse than no bonus, because it may also have locked your deposit for the duration. If the deadline is tight and your betting is occasional, take the offer off the table and treat the account as a straightforward no-bonus book.
Skip it when the conditions force you into bets you would not otherwise make. A bonus that only clears on accumulators of a certain size, or on markets with poor liquidity and wide margins, is pushing you toward worse prices. If the qualifying markets are ones where the book’s edge is unusually large, the bonus is partly a rebate on bets you should not be placing at all. The value of any promotion is measured against your normal betting behaviour, not against a hypothetical optimal grind you would never actually run.
Skip it when the coin or asset you would receive is one you do not want to hold, or when converting it out costs more than the bonus is worth. A bonus paid in an illiquid token, subject to a spread on exit, can be worth materially less than its face value. If you would immediately convert it, factor the conversion cost in; if that cost is high, the offer may not clear its own bar. The same applies to bonuses that can only be used on a product you have no interest in.
Skip it, too, when claiming would compromise something else — losing access to a different promotion, locking a deposit you may need, or triggering a first-deposit condition on an account you were only testing. And skip it if the terms are genuinely unclear. A book that hides its wagering base, its weighting, or its time limit behind vague language is telling you something about how it will treat you later. The welcome offer is a first impression of the operator’s terms, and a confusing one is a warning, not a bargain. None of this is legal or financial advice, and promotions change; verify the current terms yourself before claiming. Gambling is for adults only, and you should only ever stake money you can afford to lose — if betting stops being recreational, step away and seek support.
A simple value checklist
Work through the following in order, and most welcome offers will sort themselves into “worth it” and “not worth it” without much agonising. First, normalise the headline to the deposit you actually intend to make. Ignore the ceiling unless you are funding at that level. Write down the bonus you would really receive, not the maximum advertised. Second, find the wagering base and multiplier, and convert them into a single absolute turnover figure. Note whether the base is bonus only or bonus plus deposit, and whether your preferred markets and odds count in full. Third, check the rollover window against your realistic betting frequency. If you cannot finish in time, stop here.
Fourth, identify the asset you would receive and the minimum deposit required, in the currency the book actually uses. Confirm that your intended deposit method qualifies and that this is genuinely your first deposit. Check whether your own funds are locked during wagering and for how long. Fifth, estimate the expected retained value: the bonus, minus the expected cost of the required turnover at the odds you will really bet, adjusted for the chance you complete it. Compare that figure — not the headline — against any alternative offer, using the same method for each. Sixth, check the exit conditions: what you can withdraw after rollover, any cap on bonus winnings, and any conversion cost. Finally, ask whether the whole package pushes you into bets you would not otherwise make. If it does, the honest answer is usually to skip it.
A few edge cases deserve a place on the checklist. Watch for offers where the bonus is credited as a free bet that returns only profit, since the value is a fraction of the stake. Watch for “risk-free” bets that are really stake-back-as-bonus with fresh wagering attached, which is not risk-free at all. Watch for tiered offers where a larger deposit unlocks a better percentage but also a larger absolute rollover, and check whether the extra tier is actually worth the extra capital committed. And watch for expiry: a bonus that must be claimed within days of registration is easy to lose by simply being busy.
If you want a book where the terms are relatively plain and the wallet-first, no-KYC approach keeps the mechanics simple, Dexsport is the one we tend to point readers toward — not because the bonus is the biggest headline, but because the conditions are the kind a careful reader can actually evaluate. That is the whole point of this checklist. The best welcome offer is rarely the one with the largest number on the banner; it is the one whose real, post-wagering, post-conversion value you can calculate in advance and are comfortable accepting. If you cannot work out what an offer is worth, treat that as your answer and walk away. This is editorial guidance, not legal or financial advice, and it is intended for adults aged 18 and over; please gamble responsibly and within your means.
This guide was researched, written and fact-checked by the BetBonus Desk editorial desk before publication. Last reviewed 13.10.2026. Spotted something wrong? Tell us.