July Inflation US - Annual

Platform comparison

Market context

July’s consumer price reading will measure the 12-month change in the CPI through July 2026, with the BLS set to publish the figure on 12 August. The market’s 2% yes price implies traders think an outsized annual move is very unlikely, and that view sits against a recent cooling trend in the official data: June CPI came in at 3.5% year on year after 4.2% in May, while core CPI eased to 2.6%[4][6]. That is still well above the Fed’s 2% goal, but it is materially below the spring spike, which is why a very high July print would need a clear re-acceleration in the monthly data rather than a simple base effect[4][6].

For framing, comparable cases matter most when headline inflation swings on energy. Reuters said the June moderation was driven by softer prices, while later forecasts from the Cleveland Fed and Truflation both pointed to headline inflation staying above 3% but easing further in July as gasoline remained lower and core pressures stayed sticky[6][9]. The recent Federal Reserve Monetary Policy Report also keeps attention on the path of shelter, services, and energy rather than one-off monthly noise[12].

The catalyst set to watch is therefore the run-up in July energy prices, any reversal in petrol or crude, and the BLS release itself on 12 August. If monthly gasoline and shelter again surprise on the upside, the annual rate could stay elevated; if not, the current market is leaning on continued disinflation rather than a renewed inflation burst[6][9][16].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for July Inflation US - Annual plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.

Which political events have the biggest volume?

US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.