Hurricane Polo's explosive 24-hour intensification to 180 mph winds and 892 mb pressure on September 22 has tied the 2026 eastern Pacific season for a record three Category 5 storms while ranking it second-most intense by central pressure, yet it falls short of Patricia's 2015 benchmark of 215 mph and 872 mb. A strong El Niño pattern has sustained unusually warm sea surface temperatures and low shear, boosting overall activity and accumulated cyclone energy well above average. With the season extending into November, the closely balanced 50% market-implied odds reflect uncertainty over whether future systems can achieve the extreme rapid intensification needed to surpass historical maxima, as NHC forecasts and reconnaissance data will clarify in coming weeks.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAll-time Pacific Category 5 hurricane record broken in 2026?
A tropical cyclone is assigned Category 5 intensity when an operational advisory reports a maximum sustained wind speed (1-minute average) of at least 157 mph, corresponding to Category 5 on the Saffir-Simpson Hurricane Wind Scale. Operational advisories for this area are issued by the National Hurricane Center and the Central Pacific Hurricane Center.
Each tropical cyclone counts once toward the total, no matter how many advisories or how many separate periods report it at Category 5 intensity. Hurricane Genevieve, Hurricane Lowell and Hurricane Polo have each been assigned Category 5 intensity in 2026 and each count toward this total, so one additional tropical cyclone is required for this market to resolve to "Yes". A tropical cyclone in any other basin, including the Atlantic, will not be considered for resolution.
Being assigned Category 5 intensity at any single advisory within this period is sufficient for a tropical cyclone to count, regardless of its intensity at any other time. Once a fourth qualifying tropical cyclone has been reported at Category 5 intensity, this market will resolve to "Yes" regardless of that storm's subsequent intensity.
This market will resolve based on the operational advisory data issued for a storm while it is active. Any revision to a storm's peak intensity or category published later in a post-storm best-track report or Tropical Cyclone Report will not be considered for resolution. If a correction to an advisory is issued to fix a clerical error, the corrected advisory will govern.
The primary resolution source for this market will be the operational advisories issued by the National Oceanic and Atmospheric Administration's National Hurricane Center and Central Pacific Hurricane Center (https://www.nhc.noaa.gov/); however, a consensus of credible reporting may also be used.
Market Opened: Sep 22, 2026, 4:47 PM ET
Resolution Source
https://www.nhc.noaa.gov/Resolver
0x65070BE91...A tropical cyclone is assigned Category 5 intensity when an operational advisory reports a maximum sustained wind speed (1-minute average) of at least 157 mph, corresponding to Category 5 on the Saffir-Simpson Hurricane Wind Scale. Operational advisories for this area are issued by the National Hurricane Center and the Central Pacific Hurricane Center.
Each tropical cyclone counts once toward the total, no matter how many advisories or how many separate periods report it at Category 5 intensity. Hurricane Genevieve, Hurricane Lowell and Hurricane Polo have each been assigned Category 5 intensity in 2026 and each count toward this total, so one additional tropical cyclone is required for this market to resolve to "Yes". A tropical cyclone in any other basin, including the Atlantic, will not be considered for resolution.
Being assigned Category 5 intensity at any single advisory within this period is sufficient for a tropical cyclone to count, regardless of its intensity at any other time. Once a fourth qualifying tropical cyclone has been reported at Category 5 intensity, this market will resolve to "Yes" regardless of that storm's subsequent intensity.
This market will resolve based on the operational advisory data issued for a storm while it is active. Any revision to a storm's peak intensity or category published later in a post-storm best-track report or Tropical Cyclone Report will not be considered for resolution. If a correction to an advisory is issued to fix a clerical error, the corrected advisory will govern.
The primary resolution source for this market will be the operational advisories issued by the National Oceanic and Atmospheric Administration's National Hurricane Center and Central Pacific Hurricane Center (https://www.nhc.noaa.gov/); however, a consensus of credible reporting may also be used.
Resolution Source
https://www.nhc.noaa.gov/Resolver
0x65070BE91...Hurricane Polo's explosive 24-hour intensification to 180 mph winds and 892 mb pressure on September 22 has tied the 2026 eastern Pacific season for a record three Category 5 storms while ranking it second-most intense by central pressure, yet it falls short of Patricia's 2015 benchmark of 215 mph and 872 mb. A strong El Niño pattern has sustained unusually warm sea surface temperatures and low shear, boosting overall activity and accumulated cyclone energy well above average. With the season extending into November, the closely balanced 50% market-implied odds reflect uncertainty over whether future systems can achieve the extreme rapid intensification needed to surpass historical maxima, as NHC forecasts and reconnaissance data will clarify in coming weeks.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated


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