TOTAL VOLUME:

$154.4b

24H VOL:

$235,918,089

24H TRANSACTIONS:

2,984,028,936

OPEN INTEREST:

$1,884,820,873

413,109

Markets across

40,428

events

MATCHED EVENTS:

4,364

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Elections
Porirua Onepoto General Ward by-election winner?
kalshi

Porirua Onepoto General Ward by-election winner?

Volume:
$827

Jo Dow

 - Kalshi

Jo Dow - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 18, 2026

Closed: Oct 18, 10:32 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

Jo Dow

View
100%
1%
Yes 100¢No 0¢
—
N/A
$520
N/A
N/A
$420
1y 1w
Yes
kalshi

Caroline Mareko

0%
Yes 0¢No 100¢
—
N/A
$191
N/A
N/A
$56
1y 1w
No
kalshi

Zac Painting

0%
2%
Yes 0¢No 100¢
—
N/A
$60
N/A
N/A
$60
1y 1w
No
kalshi

Jess Te Huia

0%
Yes 0¢No 100¢
—
N/A
$56
N/A
N/A
$56
1y 1w
No
kalshi

Siobhan Samuel

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
1y 1w
No
Total markets: 5

Description

This event tracks the outcome of a local government election in Porirua, focusing on which candidate secures the most votes after all transfers are accounted for in the single transferable vote system. The result reflects the official declaration by the Porirua City Council, ensuring accuracy and legitimacy. Markets resolve based on the final, confirmed winner of the election.

Kalshi

The event resolves based on the official declaration of the winner in the 2026 Porirua Onepoto General Ward by-election by the Porirua City Council. The election uses the single transferable vote system, where the winner is determined after all vote transfers are counted, not by first-preference standings alone. Each market corresponds to a specific candidate, resolving to Yes if that candidate is declared elected and No for all others. Results are confirmed only after the final official declaration, with accelerated resolution possible through consensus of media calls. Preliminary counts or progress updates do not affect resolution.

Frequently asked questions

On Kalshi, the dashboard for the Porirua by-election market tracks the current odds for each candidate, reflecting what traders are willing to pay to own a share of a particular outcome. It also displays the price history of the market, showing how probabilities have shifted over time, and the 24-hour trading volume, which currently stands at $0. The total volume traded on this market is $827, indicating the level of interest in predicting the by-election's winner. This allows participants to gauge market sentiment and make informed decisions.

Currently, prediction market odds offer a distinct perspective compared to traditional polling averages for the Porirua by-election. While polls capture a snapshot of voter intention at a specific moment, this market aggregates the informed opinions of many individuals, creating a continuously updated forecast. Discrepancies can arise due to differing methodologies, sample biases in polls, or the market’s ability to incorporate a wider range of information, such as candidate performance and campaign dynamics. It's important to consider both sources when forming a comprehensive view of the race.

On Kalshi, this market is priced using a continuous double auction, where traders buy and sell contracts representing different candidates winning the by-election. The price of each contract reflects the probability of that candidate winning, 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 becomes available, the prices adjust dynamically, providing a real-time assessment of the election’s likely outcome. The market’s efficiency stems from the incentive for traders to accurately predict the result, as profits are earned by correctly anticipating the winner.

This market resolves around Nov 16, 2027, with the outcome confirmed once the event is verifiable from credible public reporting. The official results released by the Electoral Commission of New Zealand will serve as the basis for determining the winning candidate. The market will settle to 100 for the candidate declared the winner by the official count. Any disputes or challenges to the official results will be considered in the resolution process, ensuring a fair and accurate outcome for all participants in this market.

Several signals or events could significantly move this market before its resolution. Major endorsements from prominent figures, unexpected shifts in polling data, or significant campaign gaffes by any candidate could all influence trader sentiment. Changes in voter turnout expectations, particularly among key demographic groups, could also have a substantial impact. Furthermore, any significant news events related to the candidates or the issues at stake in the by-election are likely to cause price fluctuations in this market, as traders adjust their predictions based on the latest information.