Why are the odds for baseball not displayed?

The markets and match schedules offered are managed by the provider, and support cannot know them in advance.
In general, odds are provided for major sports and events.
Sometimes they may only appear just before the match starts, so please check the site regularly.
For baseball markets, odds are offered only after the starting pitchers are confirmed, so they tend to appear later than in other sports.
Depending on the league or event, this may vary, but in principle odds are available at least 10 hours before the match starts.