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FL-19 Republican Primary Winner

Which venue prices "FL-19 Republican Primary Winner" best? Direct comparison of Polymarket, Kalshi, Betfair and Smarkets.

Jim Schwartzel 100% Madison Cawthorn 0% Catalina Lauf 0% Bob Rommel 0% Volume: $193K Liquidity: $300K Closes: 18 Aug 2026
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FL-19 Republican Primary Winner

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Polymarket Alternative) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open the market →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Open the market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open the market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open the market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open the market →

Outcome probabilities

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

OutcomeProbability
Jim Schwartzel100%
Madison Cawthorn0%
Catalina Lauf0%
Bob Rommel0%
Spencer Roach0%
Jim Oberweis0%
Candidate B0%
Candidate C0%
Candidate D0%
Candidate E0%
Candidate F0%
Candidate G0%
Candidate H0%
Candidate I0%
Candidate J0%
Candidate K0%
Candidate L0%
Candidate M0%
Candidate N0%
Candidate O0%
Other0%

Market context

Based on real-money crowd forecasting, fl-19 republican primary winner stands at 100% likelihood according to current market consensus. This market will resolve according to the candidate who wins the nomination for the Republican Party to contest the FL-19 congressional district seat in the U.S. House of Represent…

Methodology

We read FL-19 Republican Primary Winner 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.
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.
What about Smarkets as an alternative?
Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
Which platform is accessible globally?
Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
and

Trade FL-19 Republican Primary Winner on Polymarket Alternative

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

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