How do I trade on “Highest temperature in Hong Kong on October 20?”?

Choose an outcome, enter an amount and confirm the trade. A share’s price is the market’s implied probability; the minimum trade is $1. You can sell your shares at any time before settlement.

How will “Highest temperature in Hong Kong on October 20?” be resolved?

The market settles by the actual outcome of the event: shares of the correct outcome pay $1 each. The exact criteria are in the market rules above.

When does “Highest temperature in Hong Kong on October 20?” close?

The expected close is до Oct 20, 2026. You can close your position at any time before settlement.

What is the trading volume of “Highest temperature in Hong Kong on October 20?”?

The current trading volume is $85K. It updates in real time.

Highest temperature in Hong Kong on October 20?

$85K volume·до Oct 20, 2026

OUTCOMESPROBABILITY · PRICE

26°C or below$108 volume0123456789%

PriceSharesTotal

27°C$584 volume0123456789%

28°C$938 volume0123456789%

29°C$13K volume0123456789%-1 pp

30°C$23K volume0123456789%-9 pp

31°C$18K volume012345678901234567890123456789%+43 pp

32°C$19K volume0123456789%-30 pp

33°C$8K volume0123456789%-2 pp

34°C$3K volume0123456789%

35°C$286 volume0123456789%

36°C or higher$213 volume0123456789%

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 20 Oct '26.

The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Max (deg. C)" the specified date once information is finalized in the relevant "Daily Extract", available here: https://www.weather.gov.hk/en/cis/climat.htm

In the event that there is no data for the observation date by 11:59 PM ET on the seventh day following the observation date, this market will resolve to the lowest bracket.

This market will resolve once data for this date has been published on the resolution source, or by 11:59 PM ET on the seventh day following the observation date, whichever comes first.

The resolution source for this market measures temperatures in Celsius to one decimal place (eg, 9.1°C). Thus, this is the level of precision that will be used when resolving the market.

Any revisions published after the Hong Kong Observatory's initial publication of data for this market's timeframe will not be considered for this market's resolution. That initial publication is the revisions cutoff.

In the case that the Resolution Source publishes data, sufficient to settle a Market, that is clearly erroneous and the result of technical or operational error, or of unauthorized interference with the Resolution Source or its data, the Market may remain open for a period of up to seven (7) calendar days (ET) from the time of the original release, in anticipation of a correction by the Resolution Source. If the Resolution Source publishes a corrected value within that period, that value will be eligible for resolution. If no corrected value is published within that period, Polymarket will issue a Clarification to determine whether the originally published value may be eligible for resolution, or whether other action is required to preserve the orderly functioning of the Market.

Revisions remain subject to the cutoff above. The only exception is a correction of a clearly erroneous print under the preceding paragraph, which will be used even if published after the cutoff.

✓Market open for trading

Proposed outcome

Final review

Questions and answers

“Highest temperature in Hong Kong on October 20?” is a prediction market on Melbo. A share’s price reflects the probability of the outcome: on the correct outcome each share settles at $1, on the wrong one at $0.