NASA publishes the deciding data from satellite measurements, and the deciding value is global mean sea level rise since 1993, in millimeters, shown under the heading Rise since 1993. The outcome is Yes if the reported rise is above the value specified in the market question and No otherwise. NASA data comes in 10-day increments with processing delays of up to four months, so resolution uses the most recent NASA reading available at 4:00 PM CT on the last business day of the calendar year ending December 31, 2027, whatever period that reading covers. Early resolution does not apply, and if NASA delays the release of data needed for resolution, resolution waits until it is published.

NASA publishes the deciding data from satellite measurements, and the deciding value is global mean sea level rise since 1993, in millimeters, shown under the heading Rise since 1993. The outcome is Yes if the reported rise is above the value specified in the market question and No otherwise. NASA data comes in 10-day increments with processing delays of up to four months, so resolution uses the most recent NASA reading available at 4:00 PM CT on the last business day of the calendar year ending December 31, 2027, whatever period that reading covers. Early resolution does not apply, and if NASA delays the release of data needed for resolution, resolution waits until it is published.