TOTAL VOLUME:

$154.3b

24H VOL:

$228,458,490

24H TRANSACTIONS:

2,984,028,936

OPEN INTEREST:

$1,879,276,037

410,833

Markets across

40,345

events

MATCHED EVENTS:

4,363

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Science and Technology
Confirmed Irkutsk plague cases in Oct 2026?
kalshi

Confirmed Irkutsk plague cases in Oct 2026?

Volume:
$71,943

5 or more

 - Kalshi

5 or more - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Nov 1, 2026

Closed: Oct 31, 11:59 PM EST

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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

5 or more

View
0%
1%
Yes 0¢No 100¢
—
N/A
$49,920
N/A
N/A
$17,131
5d 17h 54m
No
kalshi

2 or more

0%
22%
Yes 0¢No 100¢
—
N/A
$12,646
N/A
N/A
$6,879
5d 17h 54m
No
kalshi

1 or more

0%
Yes 0¢No 100¢
—
N/A
$9,378
N/A
N/A
$4,367
5d 17h 54m
No
Total markets: 3

Description

This event tracks whether confirmed human plague infections will occur in Irkutsk Oblast during 2026. The outcome depends on official reports from Russia's public health agency, with specific timing and confirmation requirements. Only definitively diagnosed cases count, excluding suspected or unresolved illnesses.

Kalshi

The event resolves to Yes if the federal Russian public health agency, Rospotrebnadzor, confirms a specified minimum number of human plague cases in Irkutsk Oblast during calendar year 2026. All primary markets share identical secondary rules: cases must be officially confirmed after the market issuance and before November 1, 2026, with final determination made at 10:00 AM ET on November 8, 2026. Confirmed cases reported between November 1 and the determination time—even if backdated—do not count. Each confirmed infected individual counts once, including posthumous confirmations; suspected cases or illnesses classified as pneumonia of undetermined etiology are excluded. The required threshold for resolution varies across markets, but all rely on the same verification process and timing constraints.

Frequently asked questions

On Kalshi, the dashboard for the Irkutsk plague outbreak market displays the current price, which reflects the probability of one or more confirmed plague cases in Irkutsk Oblast before November 1, 2026. You can also view the 24-hour trading volume, currently at $654, and the total volume traded to date, which is $71,943. The platform also provides a price history chart, allowing you to analyze how the market has moved over time. This data helps traders assess sentiment and make informed decisions about buying or selling contracts.

Currently, assessing the comparison between prediction market odds and analyst forecasts for confirmed plague cases in Irkutsk Oblast is challenging, as there is limited publicly available forecasting on this specific event. However, this market provides a unique perspective, aggregating the informed opinions of many individuals. If public health analysts were to issue a forecast suggesting a low probability of an outbreak, a higher price on Kalshi would indicate disagreement, and vice versa. It's important to remember that prediction markets can incorporate information faster than traditional forecasts.

On Kalshi, this market is priced using a continuous double auction. Traders buy and sell contracts representing a 'yes' or 'no' outcome to the question of whether there will be confirmed plague cases in Irkutsk Oblast before November 1, 2026. The price of a contract reflects the market’s collective assessment of the probability of that outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price moves based on supply and demand; if more people believe an outbreak is likely, the 'yes' contract price will rise, and the 'no' contract price will fall. This dynamic pricing mechanism allows the market to quickly incorporate new information.

This market resolves around Nov 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the resolution will be based on official reports from recognized public health organizations regarding confirmed cases of plague in Irkutsk Oblast. The determination will focus on documented cases meeting established diagnostic criteria for plague, as reported by these authorities. The resolution process aims to provide a clear and objective assessment of whether the condition outlined in this market has been met.

Several signals or events could significantly move this market. Any official reports of suspected or confirmed plague cases in Irkutsk Oblast, or even neighboring regions, would likely cause a substantial price shift. Changes in public health advisories or travel restrictions related to plague in the area could also influence trading activity. Furthermore, reports of unusual animal die-offs, which can be an early indicator of plague outbreaks, could impact the market. Finally, any significant scientific developments regarding plague detection or treatment could also move this market.