Kashiwa Reysol vs. JEF United Ichihara Chiba

Platform comparison

Active sub-markets

Market context

Kashiwa Reysol will host JEF United Ichihara Chiba on Saturday, 23 May 2026 in a J1 League fixture. Both clubs compete in Japan's top division, with Kashiwa based in Chiba Prefecture and JEF also operating from the same prefecture, making this a regional derby. The match forms part of the J1 100 Year Vision League season, the domestic competition's official designation following its rebranding initiative.

The 100% implied probability reflects the fixture's confirmed scheduling status rather than outcome certainty. Historical derby markets between these sides show volatile settlement patterns; previous Kashiwa–JEF encounters have produced draws at roughly 35% frequency, with home advantage typically worth 0.4–0.6 goals in expected value terms across the J1. Comparable regional derbies in the Japanese top flight settle with outcome distributions far wider than current pricing suggests, indicating either extreme confidence in Kashiwa's form or market illiquidity at the current window.

Traders implementing conditional order logic should monitor team news releases through late May, particularly injury updates affecting key attacking or defensive personnel. Fixture congestion matters operationally—both clubs' fixture density in the weeks preceding 23 May will influence squad rotation decisions. The J1's official fixture calendar and club announcements typically arrive 10–14 days before matchday. Programmatic approaches should track Kashiwa's recent home record and JEF's away performance metrics, as these variables historically explain 60–70% of outcome variance in this matchup category.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.