Climate Change
Monthly Atmospheric Carbon Dioxide October 2026
Monthly Atmospheric Carbon Dioxide October 2026 · October 2026 · Trading open
No trades yet. The chart appears after the first trade.
About this market
No trades have been recorded on this market yet, so there is no market price for any outcome.
Trading closes on Nov 5, 2026. The result is confirmed by National Oceanic and Atmospheric Administration (NOAA).
Global average atmospheric carbon dioxide for a given month.
Rules and timeline
Each outcome is its own contract. A Yes contract pays $1 if its outcome happens and $0 if not; a No contract pays the reverse. Because the contracts trade separately, their chances don't have to add up to 100%.
- Above 425.5Resolves Yes if Monthly Average Atmospheric Carbon Dioxide is greater than 425.5 ppm in October 2026.
- Above 426Resolves Yes if Monthly Average Atmospheric Carbon Dioxide is greater than 426 ppm in October 2026.
- Above 426.5Resolves Yes if Monthly Average Atmospheric Carbon Dioxide is greater than 426.5 ppm in October 2026.
- Above 427Resolves Yes if Monthly Average Atmospheric Carbon Dioxide is greater than 427 ppm in October 2026.
- Above 427.5Resolves Yes if Monthly Average Atmospheric Carbon Dioxide is greater than 427.5 ppm in October 2026.
Result confirmed by National Oceanic and Atmospheric Administration (NOAA).
- Trading opened
- Aug 5, 2026
- Trading closes
- Nov 5, 2026
- Expected result
- Nov 5, 2026
- Expected payout
- Nov 5, 2026
More Monthly Atmospheric Carbon Dioxide markets
Other dates in this series
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Prices are the last trades on the ForecastEx exchange and can be delayed by about ten minutes. A chance is the price of a Yes contract, not a forecast by Aries. Event contracts involve risk, including the loss of the full amount paid. Information on this page is for informational purposes only and is not investment advice.