Sports Book and Prediction Markets
Simulated sports wagering and prediction markets at the Sports Book floor.
Minimum wager: 10 chips per ticket or contract.
- NFL, NBA, MLB, MLS Soccer
- NHL, NCAA Football, NCAA Basketball
- UFC/MMA, Tennis, PGA Golf
Events use real team names, division-aware matchups, strength-based odds, and sport-accurate score simulation.
Sports Book → Sports | Predictions tabs → Place wagers → Settle all → Wallet updated
| Type | Description |
|---|---|
| Moneyline | Outright winner |
| Spread | Cover the point spread (-110 juice) |
| Total (O/U) | Combined score over/under the line |
| Props | e.g. both teams score, combined TDs |
| Outright | UFC, tennis, golf winner markets |
Push: Ties on moneyline, exact spread, or exact total return the stake.
- 10 events with sport filter chips
- Optional live fixture sync (web) when network and API are available
- Refresh preserves open tickets against original events
One Settle all open positions run:
- Simulates final scores (sport-specific models)
- Resolves sports tickets and prediction contracts
- Credits winnings and clears the slip
Binary YES/NO contracts priced in cents (Polymarket-style). Accessible via the Predictions tab in the Sports Book.
| Category | Content |
|---|---|
| Sports Pulse | Cover spreads, totals — linked to board events |
| Headlines & Buzz | Award shows, viral stories |
| Vegas & Resort | Strip traffic, pool attendance |
| Public Sentiment | Crowd/poll swings, social buzz |
| History Desk | Real historical events with fixed, deterministic resolutions |
| Easter Eggs | Ludicrous scenarios — alien disclosure, buffet infinity, time-travel whales |
- Buy YES @ 35¢ with 100 chips → max payout ~286 chips if YES resolves
- Prices drift ±5¢ on refresh (history markets drift less)
- High volatility — you can lose your entire stake
- History markets resolve to documented truth, not random simulation
Category filter chips let you browse Sports Pulse, Headlines, Vegas, History, Easter Eggs, and more.
- "Will the Mandalay Bay wave pool achieve sentience by 2027?"
- "Buffet line exceeds 4 hours at the Bellagio on a Tuesday"
- "A whale tips the valet in cryptocurrency"
Talk to Bookie Blake in the Race & Sports Book. He opens the board on the sports tab, or straight onto the prediction markets if you ask what's on it.
| Path | Role |
|---|---|
mandalay_bay/sport_simulator.py |
Score simulation |
mandalay_bay/prediction_markets.py |
Market generation & resolution |
mandalay_bay/activities/sportsbook.py |
CLI activity |
docs/js/sportSimulator.js |
Browser sim |
docs/js/predictionMarkets.js |
Browser markets |
docs/js/sportsbook.js |
Board UI |
docs/js/ui/sportsbook-renderers.js |
Board, wager types, and market screens the RPG mounts too |