Traders overwhelmingly back a maximum Arctic sea ice extent of 14.2-14.4 million square kilometers this winter (53% implied probability), driven by sluggish refreeze rates amid persistently warm Arctic air temperatures, as reported by the National Snow and Ice Data Center (NSIDC). Current extent as of mid-December 2024 ranks among the lowest on record, about 20% below the 1981-2010 average, mirroring recent maxima like 14.33 million sq km in 2024 and 14.63 million sq km in 2023. Ensemble forecasts from SIPN and ECMWF models project similar lows due to weak ice growth from high positive degree days and neutral-to-negative Arctic Oscillation patterns, though late-season surges remain possible amid model divergence.
Resumen experimental generado por IA con datos de Polymarket · Actualizado¿Extensión máxima del hielo marino del Ártico este invierno?
¿Extensión máxima del hielo marino del Ártico este invierno?
14,2-14,4 millones de km² 54%
14,8-15 millones de km² 9.6%
14,4-14,6 millones de km² 7.3%
14-14,2 millones de km² 6.9%
$15,204 Vol.
$15,204 Vol.

<14 millones de km²
6%

14-14,2 millones de km²
7%

14,2-14,4 millones de km²
54%

14,4-14,6 millones de km²
7%

14,6-14,8 millones de km²
1%

14,8-15 millones de km²
8%

15 millones+ km²
2%
14,2-14,4 millones de km² 54%
14,8-15 millones de km² 9.6%
14,4-14,6 millones de km² 7.3%
14-14,2 millones de km² 6.9%
$15,204 Vol.
$15,204 Vol.

<14 millones de km²
6%

14-14,2 millones de km²
7%

14,2-14,4 millones de km²
54%

14,4-14,6 millones de km²
7%

14,6-14,8 millones de km²
1%

14,8-15 millones de km²
8%

15 millones+ km²
2%
This market will remain open until data has been published for April 1, 2026, at which point it will resolve immediately. Any revisions to sea ice extent recorded after data is published for April 1, 2026 will not be considered.
The resolution source for this market measures Arctic sea ice extent to thousands of square kilometers (e.g. 14.255 million sq km). Thus, this is the level of precision that will be used when resolving the market.
The resolution source for this market will be information from the National Snow and Ice Data Center, specifically the maximum value recorded for any day between November 20, 2025 and April 1, 2026 in the “NH-Daily-Extent” tab of the “Sea Ice Index Daily Extent” data set, available at https://nsidc.org/sea-ice-today/sea-ice-tools. If this resolution source becomes unavailable, another resolution source will be chosen.
Mercado abierto: Nov 20, 2025, 6:43 PM ET
Resolver
0x2F5e3684c...Resolver
0x2F5e3684c...Traders overwhelmingly back a maximum Arctic sea ice extent of 14.2-14.4 million square kilometers this winter (53% implied probability), driven by sluggish refreeze rates amid persistently warm Arctic air temperatures, as reported by the National Snow and Ice Data Center (NSIDC). Current extent as of mid-December 2024 ranks among the lowest on record, about 20% below the 1981-2010 average, mirroring recent maxima like 14.33 million sq km in 2024 and 14.63 million sq km in 2023. Ensemble forecasts from SIPN and ECMWF models project similar lows due to weak ice growth from high positive degree days and neutral-to-negative Arctic Oscillation patterns, though late-season surges remain possible amid model divergence.
Resumen experimental generado por IA con datos de Polymarket · Actualizado
Cuidado con los enlaces externos.
Cuidado con los enlaces externos.
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