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Busan June 2 High Temperature: Will It Hit 22°C?

Busan June 2 High Temperature: Will It Hit 22°C?

SR Sofia Renard Climate & Science Analyst
Market Resolved
Embed this market
Resolution Verdict
YES Market Resolved

Market has ended. Final implied probability: 100%.

Resolved
Volume
$53.7K
$47.2K in 24h
Liquidity
$85.4K
Moderate depth
Time Left
Ended
Resolves Jun 2
54K Vol. Ended
23°C $6K Vol.
100%
19°C or below $1K Vol.
0%
20°C $1K Vol.
0%
21°C $5K Vol.
0%
22°C $8K Vol.
0%
24°C $6K Vol.
0%

A weather market for Busan’s daily high on June 2 just made its move. The 22°C outcome jumped nearly 40% in 24 hours, settling at a 78% implied probability as of this writing. That kind of repricing in under a day means one thing: fresh observational data is landing, and traders are responding to it.

The market question is simple: what will be the highest temperature recorded in Busan on June 2, 2026? The 22°C outcome trades at 0.78 YES and 0.22 NO. The market resolves at 12:00 UTC on June 2. Total volume stands at $31,229, with $25,798 of that arriving in the last 24 hours alone.

How the 22°C Contract Works

Resolution goes to whichever temperature bracket matches Busan’s verified daily maximum on June 2. The competing outcomes include everything from 19°C or below up to 29°C or higher. A YES on 22°C pays out only if the official high lands exactly in that bracket, not one degree above or below.

  • YES (22°C): 0.78 probability, trading at $0.78 per share
  • NO (any other outcome): 0.22 probability, trading at $0.22 per share

The NO side covers ten alternative outcomes. That spread matters. The 22°C bracket needs to beat out 23°C, 24°C, 25°C, and every other listed option simultaneously. If Busan’s high comes in at 23°C instead, NO pays. The market is not betting that temperatures stay cool. It is betting that one specific degree bracket wins among eleven possible outcomes.

Momentum and Market Signals

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The momentum composite here is hard to ignore. The trend score sits at 64.07, the 24-hour price change is plus 39.9%, and the one-hour reading is flat, meaning the surge has paused rather than reversed. That pattern suggests a data-driven reprice, not speculative noise. The most likely driver: synoptic weather data for the Korean Peninsula pointing to a mid-twenties Celsius range for early June, with 22°C emerging as the consensus forecast for Busan specifically.

Volume tells the conviction story. The market has traded $31,229 total, with $25,798 arriving in the last 24 hours. Liquidity sits at $50,211, which is healthy for a short-duration weather contract. Volume is well below $1M, so a single large position can still move this price meaningfully. Any revised forecast or updated model run before noon on June 2 could reprice fast.

  • The 24-hour price jump of plus 39.9% coincides with updated weather model guidance for the Korean Peninsula on June 1 through 2.
  • The one-hour flatline at plus 0.0% suggests the initial repricing is complete and the market is now waiting for confirmation data.
  • Liquidity at $50,211 exceeds total volume, which means the order book is well-supported relative to trading activity.
  • The trend score of 64.07 on a normalized scale signals sustained directional conviction, not a spike and fade.
  • Competing brackets for 23°C and 24°C carry meaningful implied probability, reflecting genuine forecast uncertainty within a narrow temperature band.

Lines Analysis: What the Data Says About Busan on June 2

Here’s what the measurements are telling us. Early June in Busan sits in the shoulder season between the cool spring and the humid summer. Climatological normals for Busan in early June run in the low to mid-twenties Celsius. The 22°C outcome aligns with the lower end of that range. Yesterday’s 39.9% price surge suggests weather model ensemble guidance converged on a cooler-than-mid-range day, putting 22°C ahead of 23°C and 24°C as the most probable single outcome.

The NO side is real, and the data doesn’t care about the politics of how traders got here. Busan’s daily maximum temperature is sensitive to cloud cover, sea breeze timing, and whether a frontal boundary sits offshore or onshore. A shift of even half a degree in forecast guidance could push the consensus into the 23°C bracket. The probability gap between 22°C at 78% and the combined field of alternatives at 22% is not enormous. This market is pricing uncertainty, not science.

  • Korea Meteorological Administration forecast updates issued before 12:00 on June 2 are the primary repricing catalyst to watch.
  • Any shift in synoptic pattern placing a warm ridge over the Korean Peninsula would push money toward 23°C or 24°C brackets.
  • Sea surface temperature anomalies in the Korea Strait influence the Busan sea breeze and can cap afternoon highs in the 21 to 22°C range.
  • Cloud cover forecasts in the final six-hour window before market close carry the highest signal weight for last-minute repricing.
  • If actual reported temperatures from Busan weather stations begin posting near or above 22.5°C, adjacent brackets will absorb liquidity quickly.

The data currently favors 22°C, but the margin is not commanding for a single-outcome weather market competing against ten alternatives. Total volume of $31,229 reflects a niche contract with a focused trader base. The temperature window is narrow. One updated model run changes everything.

LINES VERDICT

NARROW FAVORITE WITH REAL ALTERNATIVES

Busan’s June 2 high has repriced sharply toward 22°C on fresh weather guidance, but the bracket-specific structure of this market means the adjacent outcomes at 23°C and 24°C remain live threats to the YES payout.

What the market says: The 22°C outcome carries a 78% implied probability as of June 2, reflecting a strong consensus from recent forecast data. With resolution at 12:00 UTC on the same day, volatility in the final hours is the dominant risk.

Key unknown: The Korea Meteorological Administration’s final forecast update and any real-time station readings from Busan before market close are the single most important inputs. A one-degree revision in the official high changes the resolution outcome entirely.

Frequently Asked Questions

It means traders have priced the 22°C outcome as the most likely result, with roughly a one-in-four chance that a different temperature bracket wins on June 2.

NO covers all ten alternative outcomes, from 19°C or below through 29°C or higher. Any official Busan high outside the 22°C bracket pays out the NO side.

Korea Meteorological Administration forecast revisions and real-time temperature station data from Busan are the primary drivers. Any model shift toward 23°C or above would pull liquidity from 22°C fast.

Resolution is set for 12:00 UTC on June 2, 2026. This is a same-day market, and the final hours carry the highest repricing risk.

Total volume is $31,229, well below $1M. Liquidity at $50,211 is healthy relative to volume, but a single large trade can still move the price sharply before close.

We aggregate the live positions of the top 50 Polymarket whales (ranked by 30-day tracked volume) into one composite reading per market. It refreshes every hour. The percentage shows how many of those whales hold YES versus NO; the net dollar position shows the cohort's directional exposure in dollars.

A convergence event fires when three or more tracked wallets buy the same outcome on the same market within a four-hour window. We surface these in the activity feed and the VIP digest.

No. Lines is an editorial and data product. We do not operate prediction markets, custody funds, or accept trades. All trade flows deep-link to Polymarket via our affiliate code. Probabilities shown are market-implied and not predictions or recommendations.

Market Resolved Outcome: YES
Final Price 100%
Settled Jun 2, 2026
Duration 2 days

Resolution Analysis

Forecast Holds at 22°C

Korea Meteorological Administration guidance stays unchanged through the morning hours on June 2, and Busan station readings confirm a daily maximum landing squarely in the 22°C bracket. The 78% probability holds or ticks slightly higher as real-time data aligns with the consensus model run that drove yesterday's repricing surge.

Warmer Shift Moves Money to 23°C

An updated ensemble model run early on June 2 places a weak warm ridge over the Korean Peninsula, pushing forecast guidance toward 23°C. Liquidity exits the 22°C bracket quickly given the narrow temperature spread and thin total volume. The 23°C outcome absorbs the displaced capital and the 22°C probability falls below 60%.

Sea Breeze Caps the High at 21°C

A stronger-than-forecast Korea Strait sea breeze develops through the late morning hours, capping Busan's maximum before it reaches 22°C. The 21°C bracket, currently a long shot, gains meaningful probability as real-time station data posts cooler-than-expected readings. The 22°C YES position loses even as the overall temperature picture stays close to forecast.

Data Dispute Delays Resolution

Multiple Busan weather stations report slightly different maximum temperatures straddling the 22°C and 23°C boundary, creating a resolution ambiguity at the 12:00 UTC close. If the market operator must reconcile conflicting official readings, price volatility in the final minutes could spike sharply across both adjacent brackets before a determination is made.

Key macro factor: Early June climatological normals for Busan sit in the low to mid-twenties Celsius, shaped by the transition from the cool Korean spring and the influence of Korea Strait sea surface temperatures on afternoon maximum readings.

Market Timeline

May 31, 2026, 4:06 AM
Market Created
May 31, 2026, 4:34 AM
Event Start
May 31, 2026, 4:48 AM
Market Opened
Jun 2, 2026
Market Resolution

Market Comments

Probabilities shown are market-implied and not predictions or recommendations. This content is for informational purposes only.