1. The odds are better the closer it gets to the bet's expiry. "Maduro will be ousted sometime in the next few weeks" has a relatively high probability, so a lo

1. The odds are better the closer it gets to the bet's expiry. "Maduro will be ousted sometime in the next few weeks" has a relatively high probability, so a low payout. "Maduro will be ousted in the next few hours" is a jackpot. 2. Operations like these aren't set in stone weeks in advance. There may be general planning, but the exact hour is only decided at the last moment.