Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
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.
| Outcome | Probability |
|---|---|
| Saints O/U 18.5 | 100% |
| 1H O/U 18.5 | 100% |
| 1H Spread -0.5 | 100% |
| 1H O/U 19.5 | 100% |
| 1H O/U 17.5 | 100% |
| Saints O/U 19.5 | 95% |
| O/U 35.5 | 95% |
| O/U 36.5 | 90% |
| O/U 38.5 | 84% |
| O/U 37.5 | 84% |
| Spread -1.5 | 71% |
| Spread -3.5 | 60% |
| Spread -2.5 | 54% |
| O/U 34.5 | 51% |
| Jaguars O/U 18.5 | 50% |
| Jaguars O/U 17.5 | 50% |
| Jaguars O/U 16.5 | 50% |
| Jaguars vs. Saints | 23% |
| Spread -1.5 | 13% |
| 1H Moneyline | 0% |
Market context
The Jacksonville Jaguars face the New Orleans Saints on 15 August at 4:00 PM ET in what is scheduled as a preseason NFL contest. The 23% implied probability for a Jaguars victory reflects market consensus that the Saints enter as favourites, though preseason matchups carry inherent volatility given variable roster deployment and injury management. Across major platforms, this probability translates differently: Polymarket displays it as a direct percentage, whilst Kalshi and Betfair express equivalent positions in decimal odds (approximately 4.35 on Betfair's exchange format). Smarkets similarly uses decimal odds but typically charges lower commission on matched bets than traditional bookmakers, a structural difference that can shift effective pricing by 1–2 percentage points for sharp traders.
Preseason outcomes depend heavily on coaching decisions about player rotation and rest. The Jaguars' recent offensive struggles and defensive inconsistency last season create baseline expectations, but preseason games often feature third-string lineups in the second half, obscuring predictive value. Saints personnel changes and quarterback depth chart decisions will likely drive late movement. Traders should monitor official injury reports released 24–48 hours before kickoff and any coaching statements about starter availability; ESPN and NFL.com typically publish these updates by midweek.
The settlement mechanism differs subtly across platforms: Polymarket resolves based on official NFL scoring with no tie resolution except in cancellation scenarios, whilst Betfair and Smarkets offer lay options allowing traders to bet against either outcome. KYC requirements remain stricter on Kalshi (US-only) than Polymarket (broader international access), affecting liquidity depth and available trading hours for this specific market.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $131K.
Methodology
We read Jaguars vs. Saints 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
- 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.
- 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.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative 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.
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