Bank of Japan Decision in July?

Platform comparison

Market context

The Bank of Japan will announce its monetary policy decision on 31 July 2026, specifying any change in the upper bound of its short-term policy interest rate. In this market, buying a YES share means you believe the rate will change by the amount specified in your chosen bracket; a NO share means you expect no change or a different outcome. The current crowd-implied probability of a rate change is 0%, reflecting strong market consensus that the BOJ will hold rates steady at 1.0% following its June 2026 hike.

Historically, the BOJ has moved cautiously, often pausing after hikes to assess domestic recovery durability. In March 2026, the board rejected a proposal to raise rates to 1.0%, holding at 0.75% until June, when it finally lifted to 1.0% amid sustained inflation pressures from yen depreciation and energy costs [1][2]. This pattern suggests the central bank prefers data-dependent pauses, making a further July hike unlikely unless wage-price dynamics show unexpected acceleration.

Traders should monitor the BOJ’s Outlook Report for April and any updates on Shunto (spring wage) results, as robust wage growth could justify tightening, while temporary inflation dips may be “looked through” [2]. The policy statement and minutes released on 31 July will be the primary catalyst, with announcements typically made between 11:45–13:00 Japan Standard Time [5]. No immediate geopolitical shocks are expected to disrupt the timeline, but Middle East tensions remain a background risk for energy prices.

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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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 Prediction Market UK. 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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Market UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.