Bank of Japan Decision in July?

Platform comparison

Market context

The Bank of Japan’s July 2026 Monetary Policy meeting will release its Statement on Monetary Policy on 31 July, determining the change in basis points for the upper bound of the short-term policy rate. On Polymarket, this contract currently trades at 0% probability for any rate increase, implying the crowd expects the rate to remain unchanged at 1.0%.

Historically, the BOJ has moved cautiously after reaching 1.0% in June 2026, the highest since 1995, with a split 7–1 vote reflecting internal dissent on further hikes [4]. A government panel member recently advocated for two moderate increases at six-month intervals, suggesting a potential hike around summer 2026, yet the market’s 0% pricing suggests traders doubt this will materialise before the July statement [3]. The June decision marked the first increase since December 2024, normalising policy amid underlying CPI inflation approaching 2% [1][6].

Traders should monitor the BOJ’s Outlook Report for Economic Activity and Prices, released alongside the policy statement, for shifts in inflation expectations and financial condition assessments [9]. Key catalysts include upcoming CPI data, yen volatility, and energy cost trends, which fuel upside risks to inflation cited by officials [5]. The meeting schedule confirms the July session runs 29–30 July, with the decision announced 31 July [10]. On-chain, positions settle in USDC on Polygon via conditional tokens, resolving to the nearest 25-basis-point bracket if the change falls outside displayed options.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Bank of Japan Decision in July? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.

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.