Parlay Prediction Markets
Stack your edge across sports, politics, crypto, and culture — parlays only. Fund with USDC on Polygon or buy with a card via MoonPay.
Prediction markets involve risk. Parlays can lose 100% of stake.
Example parlay
4 legsIllustrative only. Quotes depend on live market liquidity and risk limits.
How it works
From market to settlement
Browse outcomes, build a slip, get a quote, and place a parlay — all in minutes.
Explore markets across sports, politics, crypto, culture, and more.
Add 2–10 outcomes to a single parlay slip — one ticket, many legs.
Get a price based on live market liquidity and ProbStack risk limits.
Place your bet in USDC. When markets resolve, your parlay settles automatically.
Trust & safety
Built for transparency
Clear balances, on-chain deposits, and safety checks designed for a better betting experience.
Fast, low-fee funding with USDC on Polygon — the same rails markets use.
Track bets, settlements, and balance changes with a simple, auditable history.
Withdrawals are designed to be fast — with checks and manual review when needed.
Funding
Two ways to fund your account
Deposit USDC from your wallet, or buy USDC with a card through MoonPay.
Send USDC on Polygon to your deposit address. Once confirmed, your balance is available to place parlays.
Purchase USDC using a debit/credit card via MoonPay, then fund your account. Availability varies by region.
Markets
Live markets are in the app
ProbStack is built for exploring and stacking outcomes directly in the app.
FAQ
Questions, answered
Everything you need to know before you place your first parlay.
What is ProbStack?
ProbStack is a parlays-only prediction market app. Build a slip with multiple outcomes across categories and place a single bet in USDC.
Why parlays only?
Parlays are the product: they let you express a multi-market view in one ticket with a clear stake and potential payout.
How do deposits work?
You can deposit USDC on Polygon to your ProbStack balance. Deposits are credited after confirmation.
Can I buy USDC with a card?
Yes — you can purchase USDC via MoonPay and fund your ProbStack account (availability and requirements vary by jurisdiction).
How do payouts work?
If all legs hit, your parlay settles when the underlying markets resolve and your balance updates accordingly.
What are the risks?
Prediction markets involve financial risk. A parlay can lose 100% of stake if any leg does not hit. Only wager what you can afford to lose.
How do withdrawals work?
Withdrawals are processed to your wallet on Polygon. For safety, some withdrawals may require additional checks or manual review.
Ready to begin?
Ready to stack your predictions?
Open the app, build a parlay, and place your bet in minutes.