This back vs lay calculator determines the best course of action when wagering in a two-outcome market with a betting exchange. Our calculator uses the decimal odds format to calculate the right stake on each selection. NB: The 'lay stake' is automatically calculated for you after you have inputted the four relevant figures (bet stake/back odds/lay odds/lay comm. Overall position if lose £-0. A multibet (or multi for short), also known as a ' Parlay ' or ' Accumulator ', is a bet type that combines a series of single bets (also known as legs within a multi) into one bet. The Sequential Lay Calculator accommodates different options of calculating the lay stakes for your accumulator bets and the resulting profit. Returns – Stake = Profit. Bet Calculator. You will rapidly learn the bet amount you need for the lay stake in order to secure a guaranteed profit at a particular set of odds, making a hedging calculator invaluable for handicappers. If the lay odds have changed, you can type over the odds in the Lay column and update the acca to get the revised lay stake. Maximum. 15. This online betting arbitrage calculator determines various arbitrage strategies when an arbitrage opportunity exists. As you might imagine, there are two sides to this. 41%: Don`t Pass: 49. Play. Remember, you can use the ‘Add Selection’ button to add more selections depending on how many you want to place bets on. Betting on betting exchange websites such as Betfair and Betdaq is a doddle. $0. Licence Number: MGA/CL3/454/2008 17th March 2015, Triq il-Kappillan Mifsud, St. Provide the Betting Odds in Decimal Format. Find a suitable bet using an Oddsmatcher or Matcha software. Calculates various arbitrage strategies when an arbitrage opportunity exists. The rating system shows how close of a match the bet is. You can use the tool to: Automatically calculate profit margins on both normal and free bets with the click of a button. Bet on top markets like Wincanton 23rd Nov, Market Rasen 23rd Nov or Newcastle 23rd Nov. 00 (Under 2. 37, and the liability on the bet is £26. Our surebet calculator is designed to display your potential winnings automatically. - £/€20 in Free Bets. For example, if the odds are 4-1 this suggests there is a 1 in 5 chance of winning (4+1), or calculated as 1 / (4+1) = 0. Odds changes are shown on the calculator and new values will be calculated by clicking on the icon. The exciting thing about the Exchange is that it's live, with odds fluctuating constantly, and as bets are offered and matched. 25 Lay Stake = £1120 Now we have the amount we need to lay we can find out what the guaranteed profit is with our second equation. Claim Now Matched Bet Calculator. 91. This calculator is one of our most popular, providing you with the opportunity to quickly calculate what stakes you must place for either side of a matched betting. Overall position if win £-0. You can. A simple example is the following: bet 100 euros at odds 2. Craps CalculatorYou then create a lay bet of 5/1 with a £100 stake. Each Way Calculator - Can operate in SNR mode so you can use free bets on extra place races. Play. Converting odds into probability, we divide the odds by 1+ the odds e. While this article includes all the matched betting maths formulas you need to work. Calculate your lay bets with our free Back and Lay betting calculator. A top example is the 'Draw and Under 2. Maximise your returns on betfair using our. 06 lay stake on Red Rum to win the race. Set a bet amount. Field If the field bet pays 2 to 1 on both the 2 and 12, then the house edge is 5. For instance, if you wanted to lay a £5 stake on odds of 2. Heinz Calculator. 2 11/5 the draw. It is not free to use, but it offers a number of features that make it worth the subscription fee. Bears: Lions vs. Odds changes are shown on the calculator and new values will be calculated by clicking on the icon. There’s lots of features on the Oddsmatcher, such as an in-built calculator, which will advise you on the exact figures needed. It is calculated as follows: Liability = lay odds x [backer’s stake – backer’s stake] If you wanted to lay the Sydney Swans in the AFL Premiership market at the odds of $8. Use it as your craps odds calculator and make exactly the right bets at any given time. So if the horse you are laying wins you will have to pay out £50. " If you bet $10 on a point spread against a friend, the winner gets $10. Make your sports betting experience easier with our overround calculator, find the overround percentage of any given market!Back & Lay Variable Dutch Calculator. Juice in sports betting is the cut a sportsbook keeps for taking your bet. Betting odds are calculated by the probability of something happening. Lay Odds for a Don't Come work the same way as Lay Odds on the Don't Pass. An accumulator (or acca for short), also known as a ‘ Parlay ’ or ‘ Multi ’, is a bet type that combines a series of single bets (also known as legs within a acca) into one bet. 91 (-110) and Bet 2 has odds of 2. The closer the bet, the higher the total overall profit. The calculator also supports opposing back and lay bets with two different exchanges. Work out potential winnings for any type of bet or check winning bets have been settled correctly with our bet calculator. Hedge Betting Calculator. House Edge Pass Line Only. 50 against Manchester City with a stake of $10. 50 odds will pay out $150 ($50 profit, plus your $100 stake). american odds of . You’ll also be able to see the overall liability of the bet as well. The Betfair Exchange allows you the opportunity to back and lay bets and Cash Out. 96%, and your chances of losing are 98. Trusted platforms like Betfair, Bet365, and Ladbrokes offer opportunities for lay betting. 10 securing the bettor a $11. The outcomes section at the bottom of the calculator tells you that you’ll lose a maximum of £1. What’s more, this entire process is completely risk-free. 5 Goals'. Payoffs are commensurate with true odds. 05 - 1)), therefore 18. 0, 5. As a result, make. Learn how a lay bet works! Assess your potential winnings and liability with our FREE Lay Bet Calculator! Lay Calculator Odds Calculator. The Matched Betting Calculator will tell you exactly how much your lay bet should be, how much liability will be, and whether you’ll make a profit or lose money. Here is what you have to fill in order to use our Hedging Calculator to do the math for you: Add the stake of the bet that you wish to back in the cell called “Back Stake”. "14:00 Ayr") to see the market where the latest back and lay odds will be displayed. In reality, they may be higher or lower. If your horse finished in places 2nd. If you've had a bet and it's shortened in price, use this calculator to see how you can guarantee yourself a profit using the betting exchanges - win or lose. You can reduce your liability by opting for lower odds. Venera, SVR 1851, MALTA. 20Bet. This means the bet odds and the lay odds should be close. Bet Type. Betfair Calculator. Where the lay bet on a place market has a maximum odds limit specified, the potential winnings on the bet (i. Enter your stakes and odds, and the calculator will tell you how much profit you should expect. , the true odds are 6:5, so a winning $60 payoff is $50). T&Cs apply. - £/€20 in Free Bets. A multiple is just a single bet that includes more than one selection. Bet on the draw: 100 / Draw Odds = 100 / 4. OddsMonkey Lay Bet Calculator. Football on the Betfair Exchange lets you set the odds yourself on over 574 Football events. Bet 1 Odds. Let’s say that the lay odds on Betfair Exchange for Red Rum to win are 9. If you lay £10 on a bet, you’re actually aiming to WIN £10. We have designed an easy-to-use odds calculator to help bettors calculate their potential profit when placing different betting markets. US Players and Credit Card, BitCoin Deposits Accepted!. For example: (5/1) +1 = 6. 3. 3. The calculator converts odds from fractional to decimal and also calculates your win/lose probability when entering back and lay odds. Set the calculator to ‘Normal’ mode at the top. 15 at odds of 2. 96% for the other implied odds option outcome. The OddsMonkey Lay Bet Calculator is a more advanced lay bet calculator that can be used to calculate lay bets for a variety of different betting scenarios, such as matched betting and arbitrage betting. Our betting odds calculator can show you your expected payout based on your bet amount and odds, as well as what your odds are in other formats and your implied probability of winning. 8 to calculate a payout of $18 if the dice landed on 10. Lay betting is the driving force behind matched betting. However, in order to work with our Dutching Calculator, just follow the steps below. 37!Lay Bet Calculator. I am making a Dutching calculator for 3 selections. Our arbitrage calculator shows you the ideal bet amount for each side of the bet and guaranteed profit based on the odds from each sportsbook. However, don’t forget this Treble includes 2 MBS chances which may. Maximize your parlay potential with our intuitive parlay calculator to easily calculate parlay odds and payouts for your multi-leg bets. Simply place your original odds and stake from the “back” half of your bet, along with the “lay” odds, and we will calculate the required liability and maximum. Then, the calculator will show you the required lay bet. Once it’s all entered, press calculate. Canadian Calculator. This is done with a simple lay bet, but you need to know how much to lay for. Step 2: Lay the win part of the bet. 02) = £563. Odds Draw X. If the field bet pays 2 to 1 on the 2 and 3 to 1 on the 12, then the house edge is 2. $50 x 5% = $2. Other tools have also been integrated, allowing you to save your filters, export your selections, or calculate your bets with our multi-bets calculator if you bet. g. Our multi bet calculator allows you to calculate the return for your multi bet with any number of selections. Also know as a lay bet calculator. Patent Calculator. More choices on Same Game Multi Bets may also we useful when placing mug bets to avoid being. There has to be a minimum of two legs in your bet to be classified as a multibet. Your original back stake. Sport Type. The odds indicate how many times your stake will be multiplied in your total payout. When converted to decimal form, this is equal to 1. Using the bet above as an example, after clicking on the Trade Out button, it displays ‘BUY £48. Enter the odds for Game 1, Game 2 and so on. When considering making a parlay, it’s important to understand the odds and the potential payout prior to placing your bet. Free lay betting calculator to fast and easy calculate the liability and return on your lay bet. 51/2 for £10 you are liable for £5 and will win £10 if the bet lands. Liability = (Your stake x (Lay odds – 1)) Let’s say you’re laying Barcelona at odds of 1. It is said that this well-known method is wrapped in an ancient. You can read more about arbitrage betting in the linked blog post above, which contains an example of a profitable hedge bet. Lay Stake = Back Odds * Back Stake / (Lay Odds. This calculator performs that task for you. You have made a lay wager and the back odds have since risen above your lay odds. 00 and go out in the lay at odds 1. The lay commission is 5. Using our bet calculator, you find out that you have a 2. º Matched betting calculator is the easiest way to figure out what stake you need to place on the lay side of a bet to either guarantee yourself a profit or a break-even return. If the favoured Boston Celtics win the matchup their bet will return them $111. Any matched bettor needs a calculator that works. The calculator will be set to ‘Normal’ by default. Lay betting is a betting method used by savvy sports bettors who play the role of the bookmaker to ‘sell’ bets. Standard Calculator. Subtract your original stake to get the parlay odds. The higher your stake, the bigger your profit, if you get lucky. Taking the example above, if we added a stake of $50 we can calculate the potential winnings from the bet using an odds calculator: Profit = (50 * 275)/100. - Place a £/€5 Bet on the Sportsbook. Remember - as long as the EV is positive it means the bet will be profitable over the long run - but only if your odds are correct. When you are considering a parlay bet, the parlay calculator shows you the amount of the potential payout determined by the number of bets and the value of each bet. Matched betting calculator Australia - Bonusbank. Matched betting is the act of taking advantage of bookmaker offers to make a guaranteed risk-free return. This part is. Hedging your bets involves placing bets on a different outcome to your original bet to secure a guaranteed profit regardless of the. 37! A sure bet calculator is just a simplified arbitrage calculator that makes it much easier to place bets with guaranteed real money wins. With the Betting Academy UK's Dutching calculator you calculate the return of your bets for any combination quickly and safely!! Dutching is a specific type of bet that consists of placing simultaneous bets on various outcomes in order to guarantee equal profit on all choices. The general rule is as follows: - Lay Stake x (1 - commission) - Back Stake = Profit. Our Hedge Betting Calculator makes it much easier for you to lock in profit from your bets by covering all possible outcomes as the event unfolds. $0. In this way, whatever the final result is, a profit has been obtained. So, think of decimal odds in monetary terms. I have set this up in Excel 2010 and can calculate the Lay Stake for selection 1 when the commission is set to zero by the following formula: (Back Price * Stake Back)/Lay price. Enter your Back Odds from the bookmaker. When you place an each way bet, you are placing half of your total stake on your selection to win and the other half on your. This calculator uses the simple, normal matched betting formula to work out the lay bet stake, liability, and your bet position after the bet has been placed. Lay stake = ( back odds * back stake) / ( lay odds – lay commission) Lay stake for free bet if stake not returned. Select the event. e the amount you want to risk on each trade and you’ll be able to see what the equivalent stake is at each individual odds up to odds of 6. Again the odds on this bet are fair and as such the casino has no House Edge. 91, it adjusts to a bet of approximately 14. 00 × 1. The gain on the don't pass is always -3/220 and the gain on the odds is always 0. For example, if the point is a 4, and the table allows 3X odds, the variance is the same betting $30 with a 1/3 chance to win $60, or $60 with a 2/3 chance to win $30. The calculator shows a positive payout and not zero on a lay bet when 2/12 or 3/11 is rolled? I entered a $50 lay bet and selected 2/12 and the app shows a $. Back betting, Lay betting. Lay Bet. 4. Any type of calculator is an important tool that makes it easy to do calculations without stressing our. 4 x 1000)/1. ️ Bet on Barcelona: 100 / Barcelona Odds = 100 / 3. Giants plus 150. The Ultimate Craps Odds Chart. For example, a head to head soccer bet has three selections: home win, draw and away win. Arb Cruncher is a free online arbitrage betting calculator that calculates the level-profit stakes for arbitrage betting, trading, dutching and synthetic Draw No Bet betting on the betting exchanges, as well as the returns from parlayed bets (multiples). Then the player can lay odds of $40 for a win of $20 on the 4 and 10, $30 for a win of $20 on the 5 and 9, and $24 on the 6 and 8. 100% UP to $150. Simply enter the stake and odds and it will tell you the exact figure you need to lay on Betfair. To work out the expected value, you can divide the boosted odds of 9. Unlike the lay odds for each leg, the lay odds for the single accumulator lay bet cannot be edited. 31bet. Odds are 3:2 therefore you need to lay the 5 in an amount divisible by 3. Before placing any bets, we need to also check what the maximum lay stake is we are allowed to use on the acca at SmarketsLeg 2 Lay Bet (Exchange) If the individual events do not overlap, the Sequential Lay Calculator may be used to lay improved multiples and accumulators. In this guide, uncover the fundamentals of lay betting and strategies to navigate this intriguing form of wagering. Because you win more often than you lose, the house charges a commission in order to gain an edge. A multiple is just a single bet that includes more than one selection. You have made a back wager and the lay odds have since fallen below your back odds. 28 and you want to trade out to secure a profit no matter what else happens. Looking at a craps table. To place a lay bet you would require. Bears over/under: 48 points; Lions vs. Our lay bet calculator can be used on both mobile and pc. If your initial bet on Smarkets was a lay bet then the trade out feature works as if you were to place a back bet on the same selection and vice versa. Both the backer and the layer need to agree on the odds and stakes before the wager is accepted. See full list on betting. The arbitrage calculator works out if there is an arb bet opportunity & a chance to guarantee a profit by betting on opposing outcomes with different bookmakers. 0 and lay odds for Red Rum to place are 3. A betting odds calculator multiplies the stakes by the odds to determine the potential profit on your sports betting wagers. The liability on this bet is £10. Now, thanks to the Multi Lay Bets Calculator we have a good few more Same Game Multi Bet choices available, and therefore a much better chance to find a matched bet that gives us a smaller qualifying loss and a better overall return. 4. The first is a straight bet on the selection you think is the best value. The expected bet depends on what multiple of odds you are allowed. However, the advantage of placing a LAY bet on Betfair is the possibility to bet LAY on all markets, for example,. After Manchester United take the lead, their price comes in to 1. Once you’ve placed the lay bet, tick the “lay” box shown after the Liability (LBLTY) column as. Calculate your lay bets with our free Back and Lay betting calculator. Calculating the VIG is a safe way to understand where the value is. 55 against your ‘ Brighton & Everton ‘ multiple at Smarkets. Your potential profit: £10 (€10) Your potential loss: £80 (€80)These are the lay odds we would use in the Matched Betting Calculator to work out the lay stake we need to use at Smarkets. You have an outstanding bet for the Chiefs to win the Super Bowl at +750. Our matched betting calculator allows you to calculate a qualifying bet or any free bet, so you know exactly how much to stake on your lay bet in order to minimise initial losses and maximise overall profits. Now you can simply put the back odds (from the bookmaker bet you are placing) into the normal calculator, and put the odds that Smarkets are giving you as the lay odds. The arbitrage calculator tells you if there is an arb betting opportunity and recommends how much should be staked on each selection. If you want to add more selections, click on the. Betdaq offers a £10 free bet to all new customers. The Free Bet Calculator is the world’s leading online sports bet calculator. e. american odds of 110 would win £110 on a £100 bet. Enter the total wager amount into the free parlay calculator with the money line for each game to calculate the potential return on your parlay bet. Arbitrage exists because bookmakers set their odds independently; in other words. Thirdly make sure you lay the right thing, eg get the right game and outcome. The bet calculator will display the amount to lay on the betting exchange eg “You could Lay. 33 on the Capitols you ensure you make just over $2,906 regardless of the outcome! This would have been very important given the Capitols went on to win the Stanley Cup. Step 2. Enter the odds where it says “Back Odds”. Craps Calculator may serve ads, which may use coarse location. Enter your stake, bet type, odds (fractional or decimal), place terms (if applicable) and then hit the calculate button. Overlays Payment Calculators. Generally, your lay bet will get placed after the point number is rolled. Decimal Odds. In this case, it will show you that if your bet wins, you will receive a payout of $50 x 2. Lay Bet Calculator. Remember - as long as the EV is positive it means the bet will be profitable over the long run - but only if your odds are correct. If your account balance is $ 1,000, following the Kelly criterion's recommendation would mean placing a bet of $ 11. It’s used by punters and bookmakers alike, to calculate the stake, return and profit for an extensive range of bets. e. Bookie Commission % £ % Lay Odds. 78 (Over 2. However, the advantage of placing a LAY bet on Betfair is the possibility to bet LAY on all markets, for example,. You know you've found an arbitrage opportunity if the sum of the odds of both sides of a bet is positive (ex: +110 at Sportsbook A and -105 at Sportsbook B). Note: The calculator accepts US or decimal odds. BetConnect. Bet on Horse Racing, your way. 3 way win 2 way win Back Bet (Bookmaker) Odds Home 1. For favorites, you must add the minus sign. So for moneyline odds of 500: (500/100) +1 = 6 (for negative odds you need to remove. In the following example you are laying Phil Mickelson at odds of 9. Don't Come Lay Odds. 72, then you will have a $172 loss if someone places a $100 bet and they are successful. Placing a Lay bet means you are betting on something not to happen - for example, if you lay a football team to win your bet will be settled as a winner if the team loses or if the game ends in a draw - so two outcomes are playing in your favour. c) To work out the ideal lay stake for even profit, no matter what the result: Lay stake for an even profit = (back odds * free bet value) / (lay odds – commission) d) Final profit for the free bet (SR) stage: Final profit = (1 – commission) * lay stake. Shots on Target. Multi bets and our calculator. To calculate the decimal odds of a bet, you only need to know the winning and losing chances. The bookmaker margin is a measure of the bookmaker’s profit margin for an event and is a hidden transaction cost for punters. Let’s look at an example where you want to Lay a bet on the 8 for $60. Within seconds, the hedging calculator tells you to lay £140. Some examples include ‘Red Rum and Shergar to win their respective races’ (a. Scenario 2 (in-play) Outcome A: Cyrname wins = £43. Hedging opportunities occur in two scenarios: 1. Step 3. With a mix of odds, you can’t judge your win loss record the same way as a pure –110. How to calculate liability of a lay bet. Next, enter the betting exchange lay bet odds in the ‘Lay Odds’ section. This calculator supports events with up to ten possible selections. Free Bet Calculator. Back Bet (Bookmaker) Odds. Today, we’re interested in the former – the practice of laying bets or lay betting. OddsMonkey Lay Bet Calculator. Lay Commission % £ £ Custom. (see later for its details). Here's a more detailed breakdown. The Dolphins (-10 on the spread) are between -550 and -425 on the moneyline (Best Live Odds: -450) in this matchup. STEP #1: Enter the Bet Amount – the stake not returned free bet you get from the bookmaker. Three strategies are calculated. Only deposits made via Cards will be eligible for the promotion (Apple Pay excluded). Make your sports betting experience easier with. The Betting Odds Converter is a simple tool to convert between fractional, decimal and American odds. Click on the “Calculate” button. Odds Away 2. For each-way bets select the tick box on the right of the page if your selection has. For example, if you have placed 50 bets and 25 of them have won, your strike rate is 50%. 24 @ 38. When you know the outcome of the previous leg, you can place a lay bet against each leg of a multiple bet. You can place a lay bet on the opening roll, but it’s ill advised. The Dealer will say bet and take your $100 and put it in the box behind the 4 and put a Lay button on it. You add them to your Don't Come Bet after it has moved behind a Point and is also betting that a 7 will be rolled before the Point. Our Hedge Betting Calculator makes it much easier for you to lock in profit from your bets by covering all possible outcomes as the event unfolds. 20). This parlay would return $79. Sequential Lay. 5, and the lay odds of 1. Stake. Using our hedging calculator, you will enter in the original odds (+750), your original bet amount ($100), your hedging bet odds (+200 for the Packers to beat the Chiefs in the Super Bowl), and then your bet. What are implied odds for extra places? ‘Implied odds’ refers to the number of times a horse would need to land in that extra place for the whole bet to break even. A sports betting arbitrage calculator, or hedge bet calculator, shows you how to hedge a bet for a profit and lock in a risk free return. T. Since laying an outcome can be regarded as backing the alternative outcomes, lay odds can be converted into equivalent back odds. it would be much better to play another lay bet against your main bet. 05) = 97. The next step is to enter the lay commission charged by the selected betting exchange. It lets us figure out how much to back and lay to make our bets risk-free. 63 profit (less commission). 00 in. 42 vig and an $8. 9 (your shorter odds divided by your longer odds). Using the hedging formula, you can calculate: P = £700 (Payout 800 minus stake 100) W1 = £100. The calculator also works for strategies that combine bookmaker (back) wagers with exchange lay bets. Bookie Commission % £ % Lay Odds. The result is that if the bet wins at the bookmakers, you will make more profit. Place 5x£10 Sportsbook bets on any Horse racing market at minimum odds of 2. For instance, if your stake per bet is £10, your total stake is automatically set as £150. 5% chance of winning $200 if you win the bet. Hedging is a strategy whereby you lay off a back bet to minimise risk and secure a profitable position. Our Arbitrage Calculator will tell you if there is an Arbitrage opportunity. The odds in favor or your winning lay bets are 6-5 on 6 or 8, 3-2 on 5 or 9 or 2-1 on 4 or 10. 0 / (6. 00 and entered a $10. 48. The odds in the bet multiply for every additional leg you add to the multibet. Lay Stake = (Back odds x Back stake)/Lay odds Lay Stake = (1. The Sequential Lay Calculator can be used to make risk-free profit from accumulator bets. To do the math: convert the odds on your lines to decimal format (or simply use our odds converter ). When we make a bet with a bookmaker, we also make a lay bet with a betting exchange. Choose "WIN/PLACE": You're confident that your team will win, so you select "Win. A matched betting calculator and matched betting spreadsheet will do all the heavy lifting in determining appropriate bet sizes, lay stakes, and helping you track your progress, but you still need to have a good idea of how these calculations are coming to pass and how you should be utilising them. Back and Lay calculator helps to find appropriate odds of Back and Lay bet. In this case, for a home win, Odds 1. 1. Step 2. 00 = €50. Even if your bookmaker is not offering this option for the event you are. If you use very large odds then profits can vary based on outcome. This is where the lay calculator comes in. Adding these numbers into the formulas shown earlier to calculate the lay stake for a level profit. With the back bet placed, go to the Exchange and lay the first leg only with the advised stake at the lay odds noted. Enter the “Lay Odds” available on the exchange. 33 on the Capitols you ensure you make just over $2,906 regardless of the outcome! This would have been very important given the Capitols went on to win the Stanley Cup. If the odds were -750, the bettor would have to wager $750 in order to profit $100 (and therefore receive back $850 in total). So for our example, that would be: SR optimal lay stake = 6. Confirm your guesses, calculate your bets in favor (Back) and against (Lay) with our calculator. Lay £10. Minimum Exchange stake now £1 - details here. If the selection wins, you lose the backers stake multiplied by the price of the selection (minus the stake amount). Don’t pass bettors need to lay their odds in units of three dollars (3, 6, 9, 12 etc. 90. This profit is how bookmakers finance their services but bookmakers vary in. My odds cells (C6:C8) are set to the ‘Number’ format and 2 decimal places. To calculate your lay stake on the Smarkets exchange you simply use the following calculation: (back price x back stake) / (current lay odds - exchange commission) Example: (9. While every effort is made to ensure that the betting information displayed here is correct and up to date, we are not liable for any errors, and it is your responsibility to check the odds with the bookmaker or exchange before placing a bet. If you lay the 5 for $30 (10 increments of 3) you would be paid $20 (10 increments x 2). 97 x $100 minus your initial $100 stake). Lay Betting is an option on exchanges where. Users of the betting exchange versions of the calculator can enter the back and/or the lay odds. Sportsbooks automatically calculate parlay payouts for you, or you can use our parlay calculator above. The linked matched betting calculator is automatically populated with the odds and simply requires the bookmaker bet stake in order to calculate your lay stake and exchange liability.