TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Economics
CPI month-over-month in Aug 2026?
kalshi

CPI month-over-month in Aug 2026?

Volume:
$15,442

Exactly 0.4%

 - Kalshi

Exactly 0.4% - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 11, 2026

Closed: Sep 11, 8:29 AM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Exactly 0.4%

View
100%
51%
Yes 100¢No 0¢
100¢
N/A
$4,534
N/A
N/A
$3,523
Settled
Yes
kalshi

Exactly 0.2%

0%
5%
Yes 0¢No 100¢
100¢
N/A
$5,168
N/A
N/A
$4,927
Settled
No
kalshi

Exactly 0.1%

0%
5%
Yes 0¢No 100¢
100¢
N/A
$2,618
N/A
N/A
$2,263
Settled
No
kalshi

Exactly 0.3%

0%
34%
Yes 0¢No 100¢
100¢
N/A
$1,655
N/A
N/A
$1,272
Settled
No
kalshi

Exactly 0.5%

0%
Yes 0¢No 100¢
100¢
N/A
$815
N/A
N/A
$747
Settled
No
kalshi

Exactly 0.0%

0%
1%
Yes 0¢No 100¢
100¢
N/A
$384
N/A
N/A
$323
Settled
No
kalshi

Exactly 0.6%

0%
1%
Yes 0¢No 100¢
100¢
N/A
$141
N/A
N/A
$139
Settled
No
kalshi

Exactly -0.1%

0%
Yes 0¢No 100¢
100¢
N/A
$125
N/A
N/A
$125
Settled
No
kalshi

Exactly -0.2%

0%
1%
Yes 0¢No 100¢
100¢
N/A
$2
N/A
N/A
$2
Settled
No
Total markets: 9

Intro

This market tracks whether the Consumer Price Index will increase by exactly 0.4% from July to August 2026. On Kalshi, the probability of a 0.4% month-over-month increase stands at 25.0%, while the probability of the index falling between -0.2% and 0.6% is 19.5%. Resolution will be determined by the official CPI data released by the Bureau of Labor Statistics. The market settles on September 11, 2026, when the August CPI report becomes available.

Kalshi

If the CPI month-over-month is exactly -0.2% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly -0.1% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.0% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.1% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.2% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.3% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.4% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.5% in Aug 2026, then the market resolves to Yes. If the CPI month-over-month is exactly 0.6% in Aug 2026, then the market resolves to Yes.

Frequently asked questions

The PredictionHero dashboard tracks real-time odds and trading activity for the CPI month-over-month in Aug 2026 event on Kalshi. You can monitor the current implied probability of the top outcome, historical price movements, and live trading volume. The dashboard displays $15,442 in total group volume and $6,360 in 24-hour volume, giving you a complete view of market depth and recent trader interest in this economic indicator prediction.

The CPI month-over-month in Aug 2026 market resolves on Sep 11, 2026, following the official release of August 2026 inflation data. The outcome is determined by the actual month-over-month percentage change in the Consumer Price Index as published by the U.S. Bureau of Labor Statistics. Resolution occurs after the data is released and verified, at which point traders' positions settle based on which outcome bracket the final CPI figure falls into.

Key catalysts for CPI month-over-month in Aug 2026 include Federal Reserve policy decisions, energy and commodity price movements, labor market strength, and supply-chain developments. Inflation expectations embedded in bond markets, wage growth data, and housing costs will influence trader positioning. Geopolitical events, import tariffs, and seasonal factors affecting food and energy prices can shift odds significantly. Monthly jobless claims, producer price data, and consumer spending reports in the months leading up to August will provide early signals that move the market.