Lucky 15 Bets Explained: Returns and Bonuses

Lucky 15 bets explained: the fifteen bets, the maths and the bonuses

A Lucky 15 is four selections and fifteen separate bets: four singles, six doubles, four trebles and one four-fold. You are staking fifteen times your unit, so a €1 Lucky 15 costs €15, not €1.

The appeal is obvious enough. One winner and something comes back, which is more than an accumulator will ever give you. The catch is that "something comes back" and "you are ahead" are two very different things, and on a €15 outlay one winner usually leaves you well short.

Here is how the fifteen lines are built, what they actually pay in euro, where the bookmaker bonuses fit and what they are worth, and what happens when one of your four does not run.

The short version

• Four selections, fifteen bets. 4 singles, 6 doubles, 4 trebles and 1 four-fold. Your total stake is fifteen times the unit, and an each-way Lucky 15 is thirty bets.

• One winner is rarely enough. At €1 a line, a 4/1 winner returns €5 against a €15 outlay. Without a bonus you need better than 14/1 to be in front off a single winner.

• The bonuses belong to the bookmaker, not to the rules of racing. The consolation for one winner and the percentage for all four are concessions each firm sets, publishes and can pull. They carry conditions and daily caps.

• A non-runner shrinks the bet and usually kills the bonus. One non-runner leaves you with a double-stake Patent on the remaining three.

• Ireland does not regulate any of this yet. The inducements provision in the Gambling Regulation Act 2024 has not commenced.

• Your winnings are not taxed. The duties that exist in Ireland are paid by the operator, not by you.

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What a Lucky 15 actually is

Pick four selections. A Lucky 15 covers every possible combination of them, and there are exactly fifteen.

Four singles. Six doubles, being every pair. Four trebles, being every trio. One four-fold. Add them up and you get 4 plus 6 plus 4 plus 1, which is 15.

If the maths is your thing, the shortcut is two to the power of four, minus one, which is the number of combinations you can build from four things without leaving all four out. Same reason a Lucky 31 gives you thirty-one bets from five selections and a Lucky 63 gives you sixty-three from six. Paddy Power sets all three out line by line in its published betting rules.

Every one of those lines is a separate bet carrying your full unit stake. That is the bit people get caught by at the counter. A €2 Lucky 15 is €30 out of your pocket, not €2.

The one thing separating this from a Yankee is those four singles. A Yankee is the same four selections with the singles stripped out, so eleven bets rather than fifteen. Cheaper to place, and nothing at all back unless two of your four oblige.

It is a horse racing bet at heart, and in Ireland a Galway and Listowel bet in particular: four in the multiple, a small unit stake and a long afternoon of it.

What it pays back, in euro

Take four horses at 4/1, 3/1, 5/2 and 2/1, with a €1 unit. Total outlay €15.

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Winners Lines that pay Return Profit or loss

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All four All 15 €539.00 plus €524.00

Three 3 singles, 3 doubles, 1 treble €134.00 plus €119.00

Two 2 singles, 1 double €29.00 plus €14.00

One 1 single €5.00 minus €10.00

None None €0.00 minus €15.00

The first is how steep the curve is. The gap between three winners and four is €405 on a €15 bet, because the four-fold on its own is worth €210 and the trebles all come good together. Nearly all of the money sits in the top two rows.

The second is that one winner is a losing day. That 4/1 shot returns €5 against €15 staked. To finish in front off a single winner with no bonus applied, the horse needs to come in at better than 14/1.

The odds of reaching the good rows are also slimmer than the structure makes it feel. Using the bookmaker's own implied chances for those four prices, you would expect exactly one winner about 42% of the time, two about 23%, three about 5.5%, and all four roughly once in two hundred. Seven times in ten you finish with one winner or none.

Those implied chances are flattering, too, because the margin built into every price inflates them. The real spread is worse than that.

Working fifteen lines out by hand is a chore, which is why almost everyone reaches for a bet calculator instead. Mark your winners, set the unit stake, and let it do the multiplying.

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The bonuses belong to the bookmaker, not to the rules

Two concessions usually get attached to the bet. A consolation when exactly one of your four wins, normally paid by settling that single at double the advertised odds. And a percentage bonus on your total return when all four win.

Neither is a feature of the bet itself. Both are commercial concessions a bookmaker chooses to offer, publishes in its own rule book and can withdraw whenever it likes.

BoyleSports gives a fair picture of what that looks like in practice. Its rule book sets the all-winners bonus at 10% of the total return on a Lucky 15, rising to 20% on a Lucky 31 and 25% on a Lucky 63, and settles the win single at double odds where there is only the one winner.

On the four winners in the table below, a 10% all-winners bonus takes a €539 return to €592.90. Welcome, and not the reason the bet wins or loses.

The conditions attached are the part worth reading twice. Every selection has to run and win for the bonus to apply. Nothing is paid on the place part of an each-way bet. A dead heat halves it. Only one bonus applies per bet, and none at all on ante-post bets or unnamed favourites. The whole concession is confined to Irish, British and UAE horse racing, Irish and British greyhounds, and virtual racing.

There is a ceiling on it as well. Paddy Power's published betting rules cap the total payable on its concessions, Lucky 15, 31 and 63 bonuses included, at €1,000 per customer per day.

Run the consolation through the maths and it helps less than it sounds. That lone 4/1 winner paid at double odds returns €9 instead of €5. Better, and still €6 down on the day. Even with double odds applied you need a winner better than 7/1 simply to cover the other fourteen losing lines.

So check what your own bookmaker actually offers rather than assuming there is a bonus at all. Terms differ between firms, several have been trimmed back in recent years, and the reliable version is in the rule book rather than in the marketing.

Two of the biggest books in the Irish market publish those rules in full, and we go through each operator in our BoyleSports review and our Paddy Power review.

When one of your four does not run

The void selection drops out and every line containing it loses a leg. A double becomes a single, a treble becomes a double, the four-fold becomes a treble. Both Paddy Power and BoyleSports describe exactly that in their rules, and the stake on the non-runner itself comes back to you.

Work it through and something neat falls out. A Lucky 15 with one non-runner settles as six singles, six doubles and two trebles on the three that ran. That is precisely two Patents at your unit stake, a Patent being three singles, three doubles and a treble.

So your €15 bet becomes €14 running as a double-stake Patent, with €1 refunded. No disaster. The bonus is gone, though, because the standard condition is that all four have to run.

Three other settlement rules bite here, and none of them is unique to Lucky 15s.

Rule 4. If a different horse is withdrawn from one of your races after you have taken a price, a deduction comes off your winnings on that leg. It is set in cents in the euro against the withdrawn horse's price at the time it came out, so the shorter that horse was, the bigger the bite. Irish books apply it under Tattersalls Rule 4(c).

Dead heats. If your selection dead-heats for first, half your stake on that line is settled at full odds and the other half is lost. On a Lucky 15 that ripples through every line the horse appears in, and it halves the all-winners bonus on top.

Each way. An each-way Lucky 15 is thirty bets rather than fifteen, and your outlay doubles with it, so €1 each way is €30. Worth knowing before you tick the box, and worth knowing that the bonus concessions apply to the win part only.

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Why the bookmaker is happy to see one coming

No conspiracy here, just arithmetic.

Every price a bookmaker puts up carries a margin. On a single you pay that margin once. On a multiple you pay it on every leg, and the legs multiply rather than average out.

If each of your four prices carries a 5% margin, the four-fold at the top of your Lucky 15 carries roughly 21.6%. At 7% a leg it is over 31%. That four-fold is the line holding nearly all of your upside, and it is also the most expensive line on the slip.

Fifteen bets from one slip also means fifteen times the turnover out of one customer, on a bet whose single most likely outcome, by a distance, is one winner and a modest consolation. That is a comfortable thing to promote.

None of which makes it a bad bet exactly. It makes it an expensive way to back four horses, sold on the reasonable-sounding promise that you do not have to be perfect. You do not. You just have to be a good deal better than one from four.

One thing we will not be doing is handing you selections. Searches along the lines of "lucky 15 tips for today" are among the busiest in Irish betting, and tipping pages are not something we publish. Understanding the bet lasts. Somebody else's four horses on a Tuesday does not.

Where the Irish rules come into it

Three things are worth knowing, and one of them is a gap rather than a rule.

Your bookmaker is licensed here now. Since 1 July 2026, online and telephone betting operators serving Irish customers hold a GRAI licence and are bound by obligations that include paying out winnings and closing an account on request. That is genuinely new, and it applies to the betting side only. Online casino is a separate story, because gaming licences have not opened.

The bonuses are not regulated. Section 157 of the Gambling Regulation Act 2024, headed Offering inducement to gamble, defines an inducement as a benefit or advantage whose intent or effect is to encourage participation in gambling. A Lucky 15 concession sits squarely inside that. The section as drafted allows inducements offered to the general public, prohibits offering one to a named person or a specific group, and lets the Minister make regulations conditioning or banning whole classes of inducement. You can read section 157 in full on the Law Reform Commission's revised text of the Act.

It has not commenced. The GRAI's chief executive Anne Marie Caulfield told RTE in July 2026 that the legislation covering the advertising watershed and targeted inducements had yet to be enacted, and that the Authority expected an announcement soon. Until it lands, a publicly advertised Lucky 15 bonus is lawful and unregulated, and no Irish rule says what one has to be worth.

The tax position is simple. There is no tax on gambling winnings for players in Ireland, whatever the bet type and however large the return. The duties that do exist are paid by the operator to the Revenue Commissioners: Revenue's published rates are 2% on bets taken over the counter, 2% on remote bets, 25% on the commission a betting exchange charges, and nil on on-course and tote bets. So a Lucky 15 struck with an on-course bookmaker at Galway carries no betting duty at all.

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Frequently asked questions

How many horses are in a Lucky 15?

Four. The fifteen is the number of bets, not the number of selections: 4 singles, 6 doubles, 4 trebles and 1 four-fold.

How much does a €1 Lucky 15 cost?

€15. Every one of the fifteen lines takes your full unit stake. Each way doubles it to €30 across thirty bets.

Do I get anything back with one winner?

You collect on that single, plus a consolation if your bookmaker offers one. At €1 a line a 4/1 winner returns €5, or €9 at double odds, against a €15 outlay. Either way you are down on the day unless the price is big.

What price does one winner need for a Lucky 15 to show a profit?

Better than 14/1 with no bonus applied. Better than 7/1 if your bookmaker settles a lone winner at double the odds.

What happens to a Lucky 15 if one of my horses is a non-runner?

The stake on that selection is refunded and every line containing it drops a leg. You are left with a double-stake Patent on the remaining three, and the bonus concessions usually fall away because they require all four to run.

Is a Lucky 15 better than a Yankee?

Different rather than better. A Yankee is the same four selections without the singles, so it costs eleven units instead of fifteen and pays nothing on one winner. The Lucky 15 buys that safety net, and you pay four extra units for it every time.

Do I pay tax on a Lucky 15 win in Ireland?

No. Players pay no tax on gambling winnings here. The betting duties that exist are operator-side and go to Revenue.

Where do I get Lucky 15 tips?

Not from us. We do not publish tips, previews or selections in any sport. How the bet settles is the part that does not change from week to week.

Safer gambling: covering every combination spreads a stake, it does not shorten the odds. If gambling is causing difficulty for you or someone you know, the National Gambling Helpline is free and confidential on 1800 936 725, 24 hours a day.