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PolymarketMacro / FedUpdated 7m ago

Will the highest temperature in Hong Kong be 33°C on September 8?

Market probability
0.1%
0.6 percentage points
over 24 hours0.7%0.1%
Less than a day until the event deadline
Deadline: September 8, 2026 at 8:00 AM ET

A repricing with partial backing — read the new probability with some caution.

The pricing has partial support: healthy trading volume and market depth.

How credible was the move?

Three separate questions — a move can be genuine while the latest price is still settling. Methodology →

Move validity

Is the move backed by real trading and depth?

Moderate

The pricing has partial support: healthy trading volume and market depth.

Consensus stability

Has the market settled at the new probability?

Stable

The probability has held near its current level over the past several hours.

Contract clarity

Will the rules resolve without ambiguity?

High

The resolution rules are relatively specific, with a named source and a defined deadline.

Recent trade activity$667.8 traded

From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.

What this market actually measures

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 8 Sep '26. The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Max (deg.

This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.

View full official resolution rules

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 8 Sep '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 to temperatures recorded after data is initially published for this market's timeframe will not be considered for this market's resolution.

What could move this market next?

  • The market's deadline arrivesSeptember 8, 2026 at 8:00 AM ET

    The contract must resolve based on what has happened by this date.

Derived from the contract's own mechanics as of Sep 8, 6:23 AM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.

Advanced analysis (experimental)

Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: low · expected error ±17 pts.

Resolving soonLegacy movement classifier: watch

What's happening

high classifier confidence
Resolving soon

Near resolution or with ambiguous wording, pricing is mechanically thin and can swing on tiny trades. Read end-of-life prices with extra caution.

  • Resolves in 0 day(s) — end-of-life pricing is mechanically thin

Read with caution —The latest price is a usable but caveated read — weigh it with the market state.

More details — reliability score, dynamics, durability
Reliability score
44Medium
Where the price path tends to go next462 observed
  • Choppy / mean-reverting93%
  • Stable consensus3%
  • Thin-liquidity spike2%

Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.

DurabilityHigh· half-life ~6h
PredictabilityStable

Secondary read: leaning toward Quote-driven.

A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.

Market data

24h volume

$54.5K

Liquidity

$7.8K

Total volume

$56.1K

Category
Macro / Fed
Venue
Polymarket
Open interest
Spread
0.0 pts
Best bid
0.1%
Best ask
0.1%
7-day range
0.1% – 0.7%
Resolves
Sep 8, 2026
Change (pts)1H0.06H-0.624H-0.67D-0.6

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