I want to ask how the odds work? Because I got curious about the odds of Manny Pacquiao vs Keith Thurman (boxing)
Last May 28, 2019. The odds on sportsbet.io are
Odds now on sportsbet.io:

-Why the odds spike too huge changes? It is normal?
I think that the biggest variance is present in small leagues/matches where somebody could make a single big bet, and then the bookie would instantly need to adjust the lines sometimes in a very steep way.