Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) 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 |
|---|---|
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa | 100% |
| Completed Match | 100% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Match O/U 21.5 | 100% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set 2 O/U 8.5 | 100% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set 2 Winner | 100% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Match O/U 22.5 | 100% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Total Sets: O/U 2.5 | 100% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Match O/U 23.5 | 100% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set 1 O/U 8.5 | 0% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set Handicap +/-1.5 | 0% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set 1 Winner | 0% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set 2 O/U 9.5 | 0% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set 1 O/U 9.5 | 0% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set 2 O/U 10.5 | 0% |
| ITF Bali: Ryuki Matsuda vs Taisei Ichikawa Set 1 O/U 10.5 | 0% |
Market context
Ryuki Matsuda and Taisei Ichikawa are due to meet in an ITF Men’s Bali match that was originally scheduled for 24 July, and the market currently prices Matsuda as a near-certain winner with a 100% YES crowd view. On Polymarket, that outcome is shown in market terms rather than bookmaker odds, so the displayed price is effectively an implied probability rather than a decimal return. That matters when comparing it with Betfair or Smarkets, where traders usually see odds plus commission, while Kalshi-style contracts are typically quoted as a dollar price that maps directly to probability.
For a market this one-sided, the main historical reference is not an upset-specific stat line but how thin lower-level ITF pricing can be when information is limited and one player is treated as a strong advance candidate. If the match is played and Matsuda advances, the market resolves to him; if it is not played, is tied, or drifts beyond the seven-day deadline without a winner, it resolves 50-50. That settlement design is materially different from a conventional sportsbook bet, because venue delays, withdrawals and walkovers can matter more than the pre-match edge itself.
What traders should watch is whether the tie is actually confirmed on schedule, whether there is any late order-of-play change, and whether either player withdraws before first ball. Bali ITF events can be vulnerable to weather and court scheduling changes, so a start-time slip is more relevant here than in a top-tier ATP event. Platform access also diverges: Polymarket and similar markets may have different fee treatment and regional availability from Kalshi, Betfair or Smarkets, so the same underlying match can trade at different effective prices once commission, spread and KYC constraints are included.
Sources: 1
Methodology
This page compares ITF Bali: Ryuki Matsuda vs Taisei Ichikawa specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
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.
- 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.
- 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.
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