TOTAL VOLUME:

$154.4b

24H VOL:

$230,589,906

24H TRANSACTIONS:

2,984,028,936

OPEN INTEREST:

$1,885,293,300

410,482

Markets across

40,213

events

MATCHED EVENTS:

4,340

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

BETA
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Economics
US airline fares CPI for September
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What will US airline fares CPI be?

Volume:
$1,663

Above 322

 - Kalshi

Above 322 - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 14, 2026

Closed: Oct 14, 8:29 AM EST

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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

Above 322

View
100%
Yes 100¢No 0¢
—
N/A
$389
N/A
N/A
$262
Settled
Yes
kalshi

Above 326

100%
7%
Yes 100¢No 0¢
—
N/A
$322
N/A
N/A
$200
Settled
Yes
kalshi

Above 324

100%
10%
Yes 100¢No 0¢
—
N/A
$250
N/A
N/A
$150
Settled
Yes
kalshi

Above 318

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

Above 330

0%
14%
Yes 0¢No 100¢
—
N/A
$301
N/A
N/A
$301
Settled
No
kalshi

Above 328

0%
Yes 0¢No 100¢
—
N/A
$300
N/A
N/A
$300
Settled
No
kalshi

Above 334

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

Above 320

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
kalshi

Above 332

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
kalshi

Above 336

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
kalshi

Above 338

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
kalshi

Above 340

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
kalshi

Above 342

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
kalshi

Above 344

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 14

Description

Airline fares are a significant component of travel costs, influenced by demand, fuel prices, and airline competition. Tracking the CPI for airline fares in September 2026 provides insight into whether air travel expenses are rising sharply for consumers.

Kalshi

Markets resolve to Yes if the Consumer Price Index for Airline Fares in the U.S. City Average for September 2026 exceeds specified thresholds, ranging from 318 to 344. Data comes from FRED series CUSR0000SETG01, reflecting monthly, seasonally adjusted indices for all urban consumers. Each threshold represents an incremental increase, enabling participants to gauge the probability of fare increases at different price points.

Frequently asked questions

On Kalshi, the dashboard for the US airline fares CPI market tracks the current odds, price history, and 24-hour trading volume. You’ll find a visual representation of how traders are pricing the potential outcomes for the September CPI release related to US airline fares. Currently, the total volume for this market is $1,663, with $351 traded in the last 24 hours. This provides insight into market activity and how sentiment is shifting as new information becomes available. The dashboard is a key tool for understanding where the crowd stands on this economic indicator.

Currently, prediction market odds often reflect a different perspective than traditional analyst forecasts. While analysts may rely on economic models and historical data, this market incorporates a broader range of information and real-time sentiment. Discrepancies can arise from factors not fully captured in conventional analyses, such as unexpected supply chain disruptions or shifts in consumer behavior. It’s common to see this market anticipate changes before they are reflected in consensus analyst expectations, offering a potentially valuable alternative viewpoint on the direction of US airline fares CPI.

On Kalshi, this market is priced using a continuous double auction, meaning traders buy and sell contracts representing different potential outcomes for the US airline fares CPI. The price of each contract reflects the probability of that outcome occurring, as perceived by the market participants. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information emerges, these prices adjust dynamically, creating a real-time forecast. The market depth, or the volume of buy and sell orders at different price levels, indicates the confidence traders have in their predictions. This dynamic pricing mechanism allows for a fluid and responsive assessment of the likely CPI value.

This market resolves around Oct 21, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the resolution will be based on the official US Bureau of Labor Statistics (BLS) release of the Consumer Price Index (CPI) data for US airline fares in September. The market will settle to the value of the CPI as reported by the BLS, providing a clear and objective determination of the outcome. Traders will then receive payouts based on their positions and the final CPI value.

Several signals and events could significantly impact this market before its resolution. Major shifts in crude oil prices, which heavily influence airline fuel costs, are a key factor. Unexpected changes in travel demand, perhaps due to economic slowdowns or geopolitical events, could also move the market. Additionally, announcements from major airlines regarding fare adjustments or capacity changes will be closely watched. Finally, any revisions to previous CPI data or changes in the BLS methodology could introduce volatility and influence trading activity in this market.