Calculate Betting Returns

Number of possibilities?

Portion of net worth not currently bet: 1
Odds
Portion Bet
Portions must add to 1. Odds are relative to their sum. Set your proportionate winnings for each possibility. (1 = you get your money back, 2 = 100% profit.)

Number of bets
At percentiles
Do normal approximation
Do Monte Carlo with trials (can be slow)
Automatically optimize allocations?