Overtime Documentation
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Overtime's Odds

Overtime is not only bringing the game to the blockchain; it’s doing it with some of the best odds available across all sportsbooks. These odds come from Pinnacle Sportsbook, a highly respected bookmaker with customers in over 100 countries. Data for Tennis is provided by EnetPulse, with instant score updates used to price and resolve Tennis markets.

Pinnacle Sportsbook

Pinnacle has been around since 1998 and is considered to be one of the most trustworthy sportsbooks on the internet. The level of security they employ is top notch, with the same strong encryption and security standards used by top financial institutions. It is also one of the few sportsbooks to offer odds on eSports.
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Pinnacle calculates their odds by combining old school methods like “power rankings” with cutting edge data analysis. Pinnacle uses individual player statistics, team schedules and past performance along with the interpretation of trends and other factors when creating these power rankings while also relying on decades of data to arrive at their odds.
Pinnacle supplies these odds to The Rundown's API which makes them available to Chainlink and the blockchain.

EnetPulse

EnetPulse has provided live data via XML or API data feeds to over 200 international clients for over 20 years. They offer over 80 different sports, with point-by-point data for ATP Tennis used for Overtime's Tennis markets.
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Odds are used to Price Positions

Overtime receives these odds on-chain via Chainlink data feeds and uses them to price their positional tokens for each market. Pricing for a single dollar of potential profit is equivalent to the implied win probability of the position, but as a decimal instead of a percentage. If a Home win has a price of 0.45 per 1 dollar of potential profit, you can infer the implied win probability of that position, based off of the data supplied by Pinnacle, is 45%.
For this market, Aston Villa has an implied win percentage of 55%, with Everton's implied win percentage at 21%.

Viewing Different Odds Formats

If you're more familiar with other ways to quantify odds, you can change the format of odds displayed on the home page for markets. Traders can select Normalized Implied Odds, Decimal Odds, or American Odds
  • Normalized Implied Odds- This format represents the chance of success as a decimal of 1. This is the same format used to price a single positional token as described above and each position will always add up to 1 (unless there is no liquidity available for that position, in which the odds will display as 0).
  • Decimal Odds- Choosing Decimal Odds displays the amount a position of 1 dollar would pay out if successful.
  • American Odds- Finally, American Odds (also known as Moneyline odds) displays a slightly different metric depending on which team is the favorite. For the team that is favored to win, American odds shows the cost of positional tokens you'd need to spend to potentially win 100 dollars. For the underdog, American odds displays the amount you could collect for buying 100 dollars worth of positional tokens. For example, in the market below, you would need to buy 146.39 dollars worth of HOME positional tokens (for BRIGHTON & HOVE ALBION) to win 246.39 dollars. But if you purchase 100 dollars worth of AWAY positional tokens (for NEWCASTLE UNITED) and you are successful, you can claim 302.11 dollars.
See the chart below for a conversion from Implied Odds (in percent) to Moneyline Odds.
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