Thanks for your question, The Double Chance and Draw no Bet odds are based on the Pinnacle Match Odds. They are calculated with a formula. In this link, you will find a calculator to help you in the calculations.
For Double Chance you can use the “Multiback” option and for Draw no bet, you have an option called “Draw no bet”.
If you need any help, please let us know.
How do you get the odds of Double Chance and Draw No Bet?