Affiliate disclosure: I may earn a commission if you buy through links on this page, at no extra cost to you. It does not change what I say below.

Lays By Data is a £39 per year email service that sends one or two horse racing “lay” selections every morning by 11am, with the liability worked out and the reasoning written under each one. A lay is a bet that a horse will lose, placed on a betting exchange like Betfair.
It is worth a look if you already use an exchange (or will open one), you like seeing the working behind a selection, and you are happy to start with small stakes like £2. The price is low, the 30-day refund covers the subscription, and every lay has a hard price cap of 3.10.
It is not for you if you want guaranteed income, you live somewhere exchanges are blocked, you are under 18, or you cannot afford to lose the money you lay with. The £5,000 goal is a target, not a promise. The service starts on Saturday 3rd October 2026, so there is no long public track record yet. I explain what that means below.
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Contents
- Quick summary table
- What is Lays By Data?
- How lay betting works (in plain English)
- How the service works day to day
- Who it is for and who should skip it
- What I liked
- What I did not like
- The maths: what hit rate do you need to break even?
- Is £50 to £5,000 realistic?
- Which exchange should you use?
- Price, refund and support
- A 30-day plan to test it before the refund window closes
- How it compares
- FAQ
- Final verdict
Quick Summary Table
| Field | Detail |
|---|---|
| Product name | Lays By Data |
| Creator | “John” (first name only, private by choice) |
| Format | Daily email with lay selections, ledger and members page |
| Price | £39, one payment for 12 months |
| Refund | 30-day money-back guarantee through ClickBank |
| Start date | Saturday 3rd October 2026 |
| Selections | 1 to 2 a morning, some days none, never above 3.10 |
| Suggested starting bank | £50 with £2 lays |
| Support | support@laysbydata.com |
| My editorial rating | 3.7/5 (good value, unproven results) |
What Is Lays By Data?
Lays By Data is a subscription service that emails you horses to lay (bet against) on a betting exchange, chosen by a rulebook that a person called John built and an AI model now runs each morning.
The idea comes from one stat: favourites in horse racing get beaten roughly two times out of three. That figure is widely quoted for UK racing, and it is broadly in line with what long-run favourite strike rates look like, so it is not made up. I have not independently audited it for this review.
John’s pitch is that some favourites are shorter in price than they should be. He built a rulebook around distance, ground, draw, pace, trainer form and market moves. Each morning he picks the races he thinks are most likely to contain a “false favourite”, feeds the race cards and live exchange odds into a model trained on that rulebook, checks what it returns, and emails the survivors.
Two things set it apart from most tipster pages. First, every lay shows the liability, which is the amount you lose if the horse wins. Second, the reasoning is written under each lay, so you learn the method instead of just following orders.
How Lay Betting Works (In Plain English)
Backing a horse means you bet it will win. Laying a horse means you act as the bookmaker and bet it will not win. You cannot do this at a normal bookmaker. You need a betting exchange such as Betfair, Betdaq, Smarkets or Matchbook, where punters bet against each other.
On an exchange, blue prices are for backing and pink prices are for laying. When you lay, you enter the “backer’s stake”, which is the other person’s money you are taking on. The exchange then shows your liability.
Liability = stake × (price − 1). At a price of 3.0 with a £2 stake, your liability is £4.00.
- Horse loses: you keep the backer’s stake, minus exchange commission.
- Horse wins: you pay your liability.
- Horse does not run: the bet is void and your money comes back.
That is the whole mechanism. Winning more often than not does not mean you profit, though. Short prices mean you risk more than you win on each lay, which is why the next section matters so much.
How the Service Works Day to Day
- The email lands by 11am UK time. It names the race, horse, maximum price to lay at, your stake and your liability.
- You place the lay on your exchange. Click the pink price, enter the stake, confirm. The sales page says this takes about two minutes.
- The race runs and the exchange settles it. You do not need to watch.
- The ledger updates that evening. Wins and losses are published, with commission taken off.
On days with nothing worth laying, you get an email saying so. I like that. A service that sends something every single day has a reason to force selections, and this one says it will not.
If the price has moved above the maximum by the time you get on, you skip it. The ledger records the advised price, so if you took a different price your own bank will differ slightly from the ledger.
👉 Join the £50 Challenge for £39, Refundable for 30 Days
Who Lays By Data Is For (and Who Should Skip It)
It suits you if
- You already bet on horses and want to learn the lay side.
- You want small, defined risk per bet (the 3.10 cap keeps a £2 lay to a worst case of £4.20).
- You like seeing reasoning and want to learn to spot short-priced favourites yourself.
- You are fine opening an exchange account (about ten minutes with ID).
Skip it if
- You want a guaranteed monthly income. No betting service can give you that.
- Betting exchanges are not available where you live. Check this before paying.
- You are chasing losses or betting money you need for bills.
- You want dozens of selections a day. This is one or two, sometimes none.
- You are under 18.
What I Liked
- The liability is written on every lay. Most tipsters quote stakes only. A £10 lay at 6.0 carries £50 of risk, and people get caught out by that. Here the worst case is shown upfront.
- The 3.10 price ceiling. It keeps losing lays small compared with laying big-priced horses.
- The working under each lay. Two or three lines on why the price looks wrong: distance, ground, draw, pace or a market move. This is the part with lasting value.
- Results shown after commission. The ledger takes off Betfair’s 5%, so it will not flatter itself with gross figures. On a laying record, that matters a lot.
- It admits there will be empty days. No quota means fewer forced lays.
- One payment of £39 for the year. The page says nothing rebills monthly.
- Stakes scale to your bank. A table on the page maps a £50, £100, £250 or £500 bank to the matching stake.
- Real support contact. You get an email address and the sales page says John replies himself.
- A public ledger with losers included is promised from day one.
What I Did Not Like
- There is no live track record yet. The challenge starts on 3rd October 2026. The ledger table on the sales page is labelled as how it will look, so treat those five sample rows as an illustration, not results.
- The proof shown is partly about one bet and a balance. A screenshot of a £8,337.58 Betfair balance shows money in the account. It does not show how that balance was built. The Ayr lay screenshots show one winning bet. One bet proves nothing about an edge.
- The £5,000 and £10,000 targets are very ambitious. The page says they are targets and not promises, which is the right wording, but the maths below shows how demanding they are.
- The creator is anonymous. First name only, no photo. Many people are fine with that, but it means you rely on the ledger rather than a verifiable background.
- The risk is real. A lay that loses costs more than you stake. Short losing runs will happen.
The Maths Most Reviews Skip: What Hit Rate Do You Need?
“Favourites lose two out of three” is not an edge by itself, because the price already reflects it. At a lay price of 3.0, you only break even if the horse loses about two times in three. After exchange commission you need slightly more.
Here is the break-even beat rate for a lay at each price, with and without Betfair’s 5% commission. This is my own calculation using the liability formula above.
| Lay price | Break-even, no commission | Break-even, 5% commission | Worst case on a £2 lay |
|---|---|---|---|
| 2.0 | 50.0% | 51.3% | £2.00 |
| 2.5 | 60.0% | 61.2% | £3.00 |
| 3.0 | 66.7% | 67.8% | £4.00 |
| 3.10 | 67.7% | 68.9% | £4.20 |
The point is simple. The service only makes money if its picks lose more often than the market price implies. That is the entire claim: that John’s rulebook finds favourites that are beaten more than their price suggests. The sales page makes that case clearly, and the way to test it is the ledger, not the headline stat.
👉 Test the Ledger Yourself: Lays By Data, 30-Day Refund
Is Turning £50 into £5,000 Realistic?
It is possible on paper, but it needs a very high win rate. I ran a rough estimate using the page’s own setup.
Assumptions: stake is about 4% of the bank (£2 on £50), average lay price of 2.8, 5% commission, and somewhere between 400 and 550 lays across the year. To grow a bank 100 times with compounding, the average lay has to grow the bank by roughly 0.85% to 1.15%.
- The break-even beat rate at an average price of 2.8 is about 65.5%.
- To hit the £5,000 target, the beat rate needs to be roughly 73% to 76%.
That is a gap of eight to ten percentage points above break-even, held for a whole year. It is not impossible, but it is a big ask, and bad runs in the early months hurt compounding badly. Treat £5,000 as the best case, not the plan. A more useful question is whether the service can stay above break-even at all. If it does, you profit at a smaller scale.
Note that these are my own estimates under stated assumptions, not figures from the sales page.
Which Exchange Should You Use?
You need one exchange account. The sales page quotes prices from Betfair, since it has the deepest racing markets, and mentions Betdaq, Smarkets and Matchbook as alternatives with lower standard commission (around 2%).
| Exchange | Standard commission | Racing liquidity | Good for |
|---|---|---|---|
| Betfair | 5% | Deepest | Matching prices fast |
| Betdaq | About 2% | Good on UK/Irish racing | Lower commission |
| Smarkets | About 2% | Thinner | Easy layout for beginners |
| Matchbook | About 2% | Decent on main meetings | Second account |
Three practical checks before you pay:
- Is an exchange legal and available where you live? Rules differ by country. Some regions block exchange accounts entirely.
- Is the profit tax-free for you? The page says winnings are tax-free, which is true for UK punters. Other countries differ, so check your own rules.
- Check each exchange’s current terms. Betfair, for example, has a Premium Charge for accounts that are consistently very profitable. Read the current rules on the exchange itself.
Price, Refund and Support
Lays By Data costs £39 once, for 12 months. There is no monthly fee and nothing rebills, according to the sales page.
Refund: a 30-day, no-quibble money-back guarantee. You request it through ClickBank within 30 days of buying. Many ClickBank products offer 60 days, but this one lists 30, so plan around 30.
Support: support@laysbydata.com. The page says you can also reply to any daily email, and that John answers selection questions while a site manager named Stephen handles technical issues like login or receipts.
Upsells: I did not see any on the sales page. ClickBank checkouts can still show extras, so read each screen before you click.
What happens after you pay: you get a ClickBank receipt, land on a members page, enter your name and email for the lays list, confirm by email, and receive a welcome email before the first lays go out.
👉 Get Day One Lays for £39, Backed by a 30-Day Refund
A 30-Day Plan to Test It Before the Refund Window Closes
This is the most useful thing I can give you. A 30-day refund is a short window for judging a laying service. At one to two lays a day with some empty mornings, you might see 30 to 45 selections. With a hit rate near 70%, the natural swing over 40 lays is about plus or minus 7 percentage points. That is the same size as the gap between break-even and a good result.
So a good or bad first month will not prove much. Here is how to use the month well.
- Days 1 to 7: paper trade. Mark each lay in a notebook at the advised price without risking money, and open your exchange account in the meantime.
- Days 8 to 14: start placing £2 lays if you are comfortable. Check whether you can get matched at or under the maximum price.
- Days 15 to 25: compare your own results with the ledger. Note any gaps caused by price moves or late placement.
- Days 26 to 30: read the written reasons again. Could you have guessed any of them? If you are learning the method, that has value even if the bank is flat. If you are not and the ledger is under break-even, request the refund through ClickBank before day 30.
How It Compares
| Feature | Lays By Data | Typical back tipsters | DIY laying |
|---|---|---|---|
| Bet type | Lay favourites | Back winners | Your choice |
| Cost | £39 per year | Often monthly | Free, plus your time |
| Risk shown upfront | Yes, liability on every lay | Usually stakes only | You work it out |
| Reasoning given | Yes | Rarely | You do it yourself |
| Time needed | About 5 minutes a day | Varies | Hours of form study |
If you want to compare with other betting and AI prediction products I have covered, see my review of the Hivemind football AI prediction model, which covers football instead of racing, and my look at Platinum Tips, a standard tipster service.
Frequently Asked Questions
Is Lays By Data legit?
Yes, it is a real product sold through ClickBank with a 30-day refund. Whether it makes you money is a different question, and the answer will only be clear once the public ledger has built up over months. Legit and profitable are not the same thing.
Is Lays By Data a scam?
I found no sign of one. It does not promise guaranteed profit, it labels the £5,000 figure as a target, and it offers a refund. The main caution is that results are unproven because the challenge starts on 3rd October 2026.
Does Lays By Data work?
Nobody can say yet. The method is logical, but it only works if the picks lose more often than the odds imply. Judge it by the ledger after several weeks, preferably after a few hundred lays.
How much does Lays By Data cost?
£39 once for 12 months. No monthly payment is mentioned on the sales page.
What is the refund policy?
30 days, no questions asked, handled by ClickBank. Contact ClickBank within 30 days of purchase. Buying through an affiliate link does not change your refund rights.
What is lay betting?
Betting that something will not win. You act as the bookmaker on a betting exchange and keep the backer’s stake if the horse loses. If it wins, you pay your liability.
What is liability in lay betting?
The amount you pay if your lay loses. It equals stake × (price − 1). A £2 lay at 3.0 has a £4 liability.
Can I use a normal bookmaker?
No. Bookmakers do not let you lay. You need an exchange like Betfair, Betdaq, Smarkets or Matchbook.
How many lays do I get a day?
One or two, and sometimes none. Emails arrive by 11am UK time.
How much do I need to start?
The challenge bank is £50 with £2 lays. A £100 bank uses £4 lays, and the page ties that version to a £10,000 target. Your stake should stay as the same slice of your bank at every size.
What is the worst I can lose on one lay?
On a £2 lay at the 3.10 cap, £4.20. Nothing is laid above 3.10, so the liability stays small compared with laying bigger prices.
Do I have to watch the races?
No. Place the lays when the email arrives. The exchange settles them automatically.
Does it work outside the UK?
Only if you can open and use a betting exchange account where you live. Check this first, along with local tax and gambling rules.
Who is John?
The creator gives a first name only and keeps his identity private. The sales page shows screenshots from his exchange account and says every lay will go into a public ledger.
Is gambling risky?
Yes. You can lose money, and a losing lay costs more than your stake. Bet only what you can afford to lose. In the UK, help is available through BeGambleAware.org and GamStop.
Final Verdict
Lays By Data is a reasonable, low-cost way to learn laying with clear risk limits and a refund backing it. The £39 price is small, the liability is shown on every lay, and the written reasoning is where most of the value sits.
The weakness is simple: no long public record yet. The sales page’s own numbers are a mix of one-off screenshots and an illustrative ledger. So the smart way to buy is to treat the first month as a test, paper trade first, and use the refund if the ledger does not convince you.
Buy it if you want a structured, transparent laying routine and accept the risk. Skip it if you expect a sure thing, because none exists in betting.
👉 Start the £50 Challenge, £39 With a 30-Day Refund
Further reading
- Build My Betting Bank review: a look at bank building, useful if you want to compare staking approaches.
- Premier Football Tips review: another betting tips service, for football fans who want to see how a different style of tipster works.
- Lotto Champ review: a useful reality check on what AI can and cannot do when luck is involved.
Disclaimer
This review is for information and entertainment only and is not financial or betting advice. Betting and gambling involve risk, and you can lose more than your stake when laying. Results are not guaranteed and the £5,000 and £10,000 figures are targets, not promises. 18+ only. Check that exchange betting is legal where you live. If gambling is affecting your finances or wellbeing, stop and seek help, for example through BeGambleAware.org or GamStop. Product details were taken from the official sales page in October 2026 and may change.
