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UFC Fight Night: Juliana Miller vs. Ravena Oliveira (Women's Flyweight, Prelims)

How the prediction-market book is pricing "UFC Fight Night: Juliana Miller vs. Ravena Oliveira (Women's Flyweight, Prelims)" right now, with a side-by-side platform comparison and zero-fee CTAs.

O/U 0.5 Rounds 75% Juliana Miller vs. Ravena Oliveira 74% O/U 1.5 Rounds 58% Fight won by submission? 46% Volume: $57K Liquidity: $75K Closes: 9 Aug 2026
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UFC Fight Night: Juliana Miller vs. Ravena Oliveira (Women's Flyweight, Prelims)

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Prediction Today) Pick
polygram.ink (preferred broker)
75% 25% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
75% 25% 0% Geo-blocked in US/UK/EU USDC, on-chain Live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Live odds →

Outcome probabilities

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

OutcomeProbability
O/U 0.5 Rounds75%
Juliana Miller vs. Ravena Oliveira74%
O/U 1.5 Rounds58%
Fight won by submission?46%
O/U 2.5 Rounds46%
Fight to Go the Distance?38%
Fight won by KO/TKO?23%
Oliveira to win by KO/TKO?9%
Miller to win by KO/TKO?6%

Market context

Juliana Miller vs Ravena Oliveira is still on for the UFC Apex prelims, with the bout listed for the women’s flyweight division on the August 8 card and market pricing leaning to **Miller at 74%**. The immediate change in the last 24–48 hours is mostly the fight being confirmed into the final event slate rather than any fresh injury or cancellation headline, so the market is now reacting to the bout being in position to be settled on the night rather than to a moving schedule.[1][4][10][16]

The current probability sits in the range that comparable previews have pointed to: several pre-fight models and betting write-ups have favoured Miller, often by decision or by submission, while still acknowledging that Oliveira brings finishing ability of her own. One analytics snapshot gives Miller a narrow overall edge and frames her as the fighter more likely to outwork Oliveira over three rounds, which fits a market that is above 70% without being near-lock territory.[2][8][9] Oliveira’s résumé also matters here because her record includes more early finishes than Miller’s, so any sudden swing in live sentiment would likely come from a fast start rather than from a slow, low-volume fight.[8]

For traders, the key catalysts are straightforward: official UFC bout status, weigh-in confirmation, and whether either fighter is pulled late from the card. The market only resolves to a fighter winner if the UFC officially scores the bout that way; a draw, no contest, cancellation, or a postponement beyond the settlement window forces the 50-50 outcome instead.[10][13][16] With the bout scheduled for the Apex on the prelims, the main risk is not venue or broadcast uncertainty but late-week medical or weight-cut news, which is why the final pre-fight report and official card updates matter most.[4][18]

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices O/U 0.5 Rounds at 75% for "UFC Fight Night: Juliana Miller vs. Ravena Oliveira (Women's Flyweight, Prelims)".

O/U 0.5 Rounds 75% Other 25%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $57K.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

How does resolution work?
Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
What does Polymarket cost to trade?
Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
Is Polymarket legal in the UK?
Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
Do I pay tax on prediction market profits in the UK?
UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
How do I deposit on Polymarket from the UK?
UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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