Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Ashley Avignone | 1% |
| Este Haim | 1% |
| Abigail Anderson | 1% |
| Blake Lively | 1% |
| Selena Gomez | 1% |
| Gigi Hadid | 1% |
| Cara Delevingne | 1% |
| Zoë Kravitz | 1% |
| Sabrina Carpenter | 1% |
| Brittany Mahomes | 0% |
Market context
Taylor Swift and Travis Kelce are set to marry, with only Gigi Hadid and Selena Gomez confirmed as bridesmaids to date. The current prediction-market implied probability of 1% for any unlisted individual to be named a bridesmaid reflects the tight, exclusive nature of Swift’s inner circle and the fact that formal bridesmaids may not even exist, according to insiders.
Historically, Swift has relied on long-standing friendships rather than celebrity status for key wedding roles; Abigail Anderson Berard, her maid of honor for two decades, is widely expected to be included, though not formally announced. Comparable cases, such as Blake Lively’s 2012 wedding, show that bridesmaid lists are often small and curated, with close friends prioritised over public figures, reinforcing the low odds for outsiders.
Traders should monitor official announcements from Swift or Kelce, wedding planning updates from credible sources like The Sun, and any shifts in the couple’s engagement status. Recent reporting from Cosmopolitan confirms that only Gigi and Selena are confirmed, with speculation about Abigail and Ashley Avignone, but no formal list has been released [1]. Any change in the wedding timeline or cancellation would immediately resolve the market to “No”.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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