Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Mantova 1911 (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| Mantova 1911 O/U 0.5 | 100% |
| Mantova 1911 O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Mantova 1911 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 90% |
| Mantova 1911 2nd Half O/U 1.5 | 90% |
| Both Teams to Score in Second Half | 10% |
| 2nd Half O/U 2.5 | 10% |
| SS Lazio 2nd Half O/U 0.5 | 10% |
| SS Lazio 2nd Half O/U 1.5 | 10% |
| SS Lazio (-1.5) | 0% |
| SS Lazio (-2.5) | 0% |
| Mantova 1911 (-2.5) | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| SS Lazio O/U 0.5 | 0% |
| SS Lazio O/U 1.5 | 0% |
| SS Lazio O/U 2.5 | 0% |
| Mantova 1911 O/U 2.5 | 0% |
| SS Lazio 1st Half O/U 0.5 | 0% |
| SS Lazio 1st Half O/U 1.5 | 0% |
| Mantova 1911 1st Half O/U 0.5 | 0% |
| Mantova 1911 1st Half O/U 1.5 | 0% |
Market context
Lazio will face Mantova 1911 in the Coppa Italia on 16 August at 3:15 PM ET, a fixture that sits early in the tournament's group stage. The 0% implied probability reflects either sparse liquidity on this particular market cluster or genuine uncertainty about whether sufficient trading volume will materialise before settlement. Across major platforms, this fixture shows markedly different depth: Polymarket's order books tend thinner on lower-tier Italian football, whilst Kalshi's sports offerings remain US-centric and exclude most European cup matches entirely. Betfair and Smarkets, by contrast, typically maintain active markets on Coppa Italia fixtures, displaying decimal odds that allow traders to calibrate positions more granularly than binary YES/NO frameworks permit.
Lazio enter as Serie A regulars with European pedigree; Mantova, promoted to Serie B in 2023, occupy a tier below. Historical precedent suggests favourites in such asymmetric matchups settle firmly above 50% implied probability, yet the current reading may reflect settlement mechanics specific to this platform—whether the market requires explicit confirmation of additional betting options or depends on third-party data feeds. Traders monitoring this fixture should track official Coppa Italia scheduling confirmations and any late squad announcements; Italian cup draws occasionally shift venues or timings. Kalshi's KYC requirements and US-resident-only access may suppress participation relative to Betfair's international user base, potentially explaining why this particular market cluster remains illiquid despite the underlying event's certainty.
Methodology
We read SS Lazio vs. Mantova 1911 - More Markets 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
- 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 is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Kalshi 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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