Yea it’s like the delta on an option. It becomes a dollar the closer to surety but before that you have a whole order book of transactions at other deltas/odds.
Starting a next generation social media/onlyfans/gambling mashup business. It will be called “Predicktion”. Each day a new man will appear as the bet. You bet on size of penis being greater or less than average. Odds open at 9:30 a.m. and close at 4 p.m. at which time man shows penis and measurement is live-streamed.