Manifold MarketsNo KYCVerified resolution dataFairly calibratedCurrent community forecast
Yes 73%
Forecasters
12
Question type
binary
Methodology
Play-money forecasting platform
Source type
Forecast
Market data
Updated 3 hours ago
StaleApr 23, 23, 12:06 PM UTCDec 31, 50, 10:59 PM UTC
Trends
Rules
This question will resolve as YES if the Arctic region experiences an ice-free summer by the year 2050.
- An ice-free summer is defined as a period of at least five consecutive days during which the Arctic sea ice extent is less than one million square kilometers, as measured by the National Snow and Ice Data Center (NSIDC).
- The NSIDC uses a 30-year baseline (1981-2010) to calculate average sea ice extent, and an ice-free summer would represent a significant departure from this baseline.
- The question will resolve as NO if the Arctic region does not experience an ice-free summer by the year 2050, or if the data is inconclusive.
Open markets
Weather
KALSHIHighest temperature in Los Angeles on Sep 8, 2026?
- 88° to 89°+7.0pt33.6%
- 90° or above+18.0pt32.7%
- 86° to 87°-13.0pt23.1%
+3 more outcomes
- Total Vol
- $274.9K
- 24h Vol
- $267.9K
KALSHIWhere will it rain on Sep 8, 2026?
- Houston+69.0pt99%
- Minneapolis+6.0pt99%
- Los Angeles+71.0pt75%
+19 more outcomes
- Total Vol
- $229.5K
KALSHIHighest temperature in Miami on Sep 8, 2026?
- 92° to 93°+43.0pt89.3%
- 94° or above+2.0pt6.8%
- 90° to 91°-36.0pt1%
+3 more outcomes
- Total Vol
KALSHIHighest temperature in New York City on Sep 8, 2026?
- 80° to 81°+25.0pt70.9%
- 82° to 83°-15.0pt22.3%
- 79° or below-4.0pt3.9%
+3 more outcomes
- Total Vol
POLYMARKETHighest temperature in Chengdu on September 9?
- 27°C+60.0pt93.9%
- 28°C-13.5pt6.1%
- 21°C or below-1.4pt0%
+8 more outcomes
KALSHIWill a hurricane make landfall in Hawaii in 2026?
- No92%
- Yes-7.0pt8%
- Total Vol
- $77.5K
- 24h Vol
- $33.2K
- Highest temperature in Chicago on Sep 8, 2026?
- Highest temperature in Munich on September 9?
- Highest temperature in Austin on Sep 8, 2026?
- Highest temperature in Minneapolis on Sep 8, 2026?
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- Highest temperature in Tokyo on September 9?
- Highest temperature in San Francisco on Sep 8, 2026?
- Highest temperature in Philadelphia on Sep 8, 2026?
- Highest temperature in Houston on Sep 8, 2026?
- Highest temperature in Dallas on Sep 8, 2026?
- Highest temperature in Boston on Sep 8, 2026?
Frequently asked questions
- What are the current odds for Will the Arctic be ice-free in summer by the year 2050??
- Manifold Markets prices Yes at 73% as of September 8, 2026.
- When does Will the Arctic be ice-free in summer by the year 2050? resolve?
- Will the Arctic be ice-free in summer by the year 2050? is scheduled to resolve on December 31, 2050.
- How is Will the Arctic be ice-free in summer by the year 2050? settled?
- Manifold Markets settles this market as follows: This question will resolve as YES if the Arctic region experiences an ice-free summer by the year 2050.