What are crypto prediction markets?

Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.

Why USDC and not ETH or USDT?

USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.

Can I use Bitcoin directly?

No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.

How does UMA secure the resolution?

The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.

How volatile are crypto prediction markets?

Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.

87% odds: Washington Nationals vs. Atlanta Braves | BTC Prediction

Name: Washington Nationals vs. Atlanta Braves
Start: 2026-07-24T13:00:54.000Z
End: 2026-08-06T23:15:00.000Z

Platform comparison

Platform	YES odds	NO odds	Fee	KYC	Settlement
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker)	87%	13%	0% (USDC on-chain)	No-KYC up to $1,500	USDC, auto via UMA oracle	Open live market →
Polymarket (direct) polymarket.com	87%	13%	0%	Geo-blocked in US/UK/EU	USDC, on-chain	Open live market →
Kalshi kalshi.com	—	—	Up to 7% per trade	US-only, KYC required	USD	Open live market →
Betfair Exchange betfair.com	—	—	2-5% commission	Full KYC from first trade	GBP / EUR	Open live market →
Manifold Markets manifold.markets	—	—	Play-money (mana)	None — play-money	Mana (no cash-out)	Open live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

Outcome	Probability
1st 5 Innings O/U 2.5	87%
1st 5 Innings O/U 3.5	69%
O/U 8.5	59%
1st 5 Innings O/U 4.5	56%
1st 5 Innings Spread -1.5	50%
Extra Innings	50%
O/U 9.5	49%
Spread -1.5	47%
1st 5 Innings O/U 5.5	43%
O/U 10.5	41%
Washington Nationals vs. Atlanta Braves	37%
Spread -2.5	37%
1st 5 Innings O/U 6.5	35%
NRFI	33%
Spread -1.5	27%
1st 5 Innings Spread -1.5	20%
Spread -2.5	18%

Market context

Washington Nationals vs. Atlanta Braves — current market-implied probability: 87%. In the upcoming MLB game between the Washington Nationals and Atlanta Braves, scheduled for July 30 at 7:15PM ET: This market will resolve to "Washington Nationals" if the Washington Nationals win th…

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 87% for "Washington Nationals vs. Atlanta Braves".

1st 5 Innings O/U 2.5 87% Other 13%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $335K.

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

What are crypto prediction markets?: Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
Why USDC and not ETH or USDT?: USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
Can I use Bitcoin directly?: No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
How does UMA secure the resolution?: The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
How volatile are crypto prediction markets?: Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.

James WilliamsPrediction Market Analystand

David ParkSports Data Analyst

Trade Washington Nationals vs. Atlanta Braves on BTC Prediction

Live order book, 0% fees, USDC settlement in seconds.

Open live market →

Washington Nationals vs. Atlanta Braves

Platform comparison

Outcome probabilities

Market context

Live Data & Statistics

Methodology

Resolution & payout

FAQ

Trade Washington Nationals vs. Atlanta Braves on BTC Prediction

Related live markets

Next Prime Minister of Ethiopia?

What price will Bitcoin hit in July?

Clarity Act (H.R.3633) signed into law in 2026?

Bitcoin above … on July 31?

What price will Bitcoin hit in 2026?

What price will Ethereum hit in July?

Related Topics