Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
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% |
| Cara Delevingne | 1% |
| Sabrina Carpenter | 1% |
| Gigi Hadid | 0% |
| Brittany Mahomes | 0% |
| Zoë Kravitz | 0% |
Market context
Taylor Swift is set to marry Travis Kelce, with Gigi Hadid and Selena Gomez already confirmed as bridesmaids by sources cited in The Sun, while the broader wedding party remains unannounced. This market resolves to “Yes” only if a specific individual is officially named a bridesmaid, or if the engagement is cancelled or no wedding occurs by June 2027. Current crowd-implied probability sits at 1% for any unlisted candidate, reflecting the high bar for formal inclusion in Swift’s inner circle.
Historically, celebrity bridesmaid lists are tightly curated around decades-long friendships, as seen with Swift’s reciprocal maid-of-honor role with Abigail Anderson Berard, who is widely expected to serve as maid of honour rather than a formal bridesmaid. Comparable cases, such as Blake Lively’s 2012 wedding where only close friends like Taylor Swift and Emma Stone were chosen, show that formal bridesmaid roles rarely extend beyond a core group of five to seven. The 1% probability aligns with this pattern, given that only two names are confirmed and speculation about Abigail and Ashley Avignone remains unverified.
Traders should monitor official announcements from Swift or Kelce, wedding schedule updates, and any statements regarding engagement status. Recent reporting from Cosmopolitan notes that Swift is building her bridesmaid group gradually through pre-wedding events, with six gowns prepared and a “bridesmaid dinner” now a confirmed tradition. A key catalyst will be whether Swift adopts formal bridesmaids or opts for an informal “getting ready” group, as an Us Weekly insider suggests the latter may be the case. Divergence between Polymarket (decimal odds, low KYC) and Kalshi (implied probability, strict KYC) on this market may reflect differing fee structures and liquidity depth, with Polymarket likely offering tighter spreads for niche pop-culture bets.
Methodology
We read Who will Taylor Swift's bridesmaids be? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
Trade Who will Taylor Swift's bridesmaids be? on Robinhood Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
Open live market →