
Polymarket shows market prices. Foretrace adds AI probability estimates, opposing evidence and a price-dependent outcome or pass decision for each open market.
Sampled market observations, not AI forecasts. Lines connect available observations. Legend values are current provider quotes; chart points may be older.
These are market-implied probabilities, not AI forecasts. A displayed quote may differ from the price available for your order.
This market is closed. Its historical data remains available.
How research worksThis market will resolve to the value reported by the Global Land-Ocean Temperature Index for April 2025 when it is released. Otherwise, this market will resolve to "No". An anomaly of a named bracket for April 2025 is necessary and sufficient to resolve this market to "Yes" immediately once the data becomes available regardless of whether the figure for April 2025 is later revised. The primary resolution source for this market will be the figure found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" in the row "2025" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used. If no information for April 2025 is provided by NASA by August 1, 2025, 11:59 PM ET, this market will resolve "Yes".
This market is closed. Its historical data remains available.
How research worksThis market will resolve to the value reported by the Global Land-Ocean Temperature Index for April 2025 when it is released. Otherwise, this market will resolve to "No". An anomaly of a named bracket for April 2025 is necessary and sufficient to resolve this market to "Yes" immediately once the data becomes available regardless of whether the figure for April 2025 is later revised. The primary resolution source for this market will be the figure found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" in the row "2025" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used. If no information for April 2025 is provided by NASA by August 1, 2025, 11:59 PM ET, this market will resolve "Yes".
This market is closed. Its historical data remains available.
How research worksThis market will resolve to the value reported by the Global Land-Ocean Temperature Index for April 2025 when it is released. Otherwise, this market will resolve to "No". An anomaly of a named bracket for April 2025 is necessary and sufficient to resolve this market to "Yes" immediately once the data becomes available regardless of whether the figure for April 2025 is later revised. The primary resolution source for this market will be the figure found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" in the row "2025" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used. If no information for April 2025 is provided by NASA by August 1, 2025, 11:59 PM ET, this market will resolve "Yes".
This market is closed. Its historical data remains available.
How research worksThis market will resolve to the value reported by the Global Land-Ocean Temperature Index for April 2025 when it is released. Otherwise, this market will resolve to "No". An anomaly of a named bracket for April 2025 is necessary and sufficient to resolve this market to "Yes" immediately once the data becomes available regardless of whether the figure for April 2025 is later revised. The primary resolution source for this market will be the figure found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" in the row "2025" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used. If no information for April 2025 is provided by NASA by August 1, 2025, 11:59 PM ET, this market will resolve "Yes".
Retrieved 10/3/2026, 10:21:30 PM UTC. Provider data is cached for up to 60 seconds. The upstream quote timestamp can be older.