TOTAL VOLUME:

$134.2b

24H VOL:

$134,145,987

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,441,166,947

406,422

Markets across

30,383

events

MATCHED EVENTS:

2,688

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Highest temperature in Sao Paulo on June 26?
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Highest temperature in Sao Paulo on June 26?

Volume:
$80,853

19°C

 - Polymarket

19°C - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 27, 2026

Closed: Jun 26, 8:00 AM EST

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Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

19°C

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$7,004
N/A
N/A
N/A
Settled
Yes
polymarket

18°C

0%
Yes 0¢No 100¢
—
N/A
$13,322
N/A
N/A
N/A
Settled
No
polymarket

21°C

0%
Yes 0¢No 100¢
—
N/A
$12,837
N/A
N/A
N/A
Settled
No
polymarket

15°C or below

0%
Yes 0¢No 100¢
—
N/A
$10,364
N/A
N/A
N/A
Settled
No
polymarket

20°C

0%
Yes 0¢No 100¢
—
N/A
$6,682
N/A
N/A
N/A
Settled
No
polymarket

17°C

0%
Yes 0¢No 100¢
—
N/A
$6,494
N/A
N/A
N/A
Settled
No
polymarket

25°C or higher

0%
Yes 0¢No 100¢
—
N/A
$6,132
N/A
N/A
N/A
Settled
No
polymarket

16°C

0%
Yes 0¢No 100¢
—
N/A
$5,681
N/A
N/A
N/A
Settled
No
polymarket

22°C

0%
Yes 0¢No 100¢
—
N/A
$5,300
N/A
N/A
N/A
Settled
No
polymarket

23°C

0%
Yes 0¢No 100¢
—
N/A
$3,670
N/A
N/A
N/A
Settled
No
polymarket

24°C

0%
Yes 0¢No 100¢
—
N/A
$3,367
N/A
N/A
N/A
Settled
No
Total markets: 11

Description

This market will resolve to the temperature range that contains the highest temperature recorded at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 26 Jun '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Sao Paulo-Guarulhos International Airport Station, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve until the first data point for the following date has been published on the resolution source. The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.

Polymarket

This market will resolve to the temperature range that contains the highest temperature recorded at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 26 Jun '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Sao Paulo-Guarulhos International Airport Station, available here: https://www.wunderground.com/history/daily/br/guarulhos/SBGR. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve until the first data point for the following date has been published on the resolution source. The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.

Frequently asked questions

The São Paulo temperature market dashboard on Polymarket tracks real-time odds and trading activity for the highest temperature forecast in São Paulo on June 26. Traders buy and sell shares based on their predictions of whether the peak temperature will reach specific thresholds. The dashboard displays current odds, 24-hour volume of $53,709, and historical price movements, giving you a live snapshot of market sentiment around this weather event. This data reflects collective trader expectations updated continuously as new information emerges.

Prediction markets aggregate dispersed information from many traders, often revealing insights that differ from traditional meteorological forecasts. While weather analysts rely on atmospheric models and historical data, this market incorporates real-time trader conviction about the highest temperature on June 26. Comparing the two can highlight where professional forecasters and market participants diverge—sometimes because new data has emerged, or because traders weigh certain scenarios differently. Neither source is inherently superior; together they provide complementary perspectives on the likely outcome.

This market resolves around Jun 26, 2026, once June 26 has passed and the highest temperature in São Paulo can be verified. The outcome is determined by comparing actual recorded temperatures against the specified thresholds in each contract. Resolution relies on credible public reporting of weather data for that date. Once the event is confirmed, payouts are distributed automatically to holders of the winning shares.

Several factors could shift odds in this market before Jun 26, 2026. Updated weather forecasts from meteorological agencies may signal higher or lower temperatures ahead, prompting traders to adjust positions. Seasonal climate patterns, ocean temperatures, and atmospheric pressure systems can all influence June conditions in São Paulo. Breaking news about unusual weather systems or climate anomalies could trigger rapid repricing. As the date approaches, refinements to professional forecasts typically narrow uncertainty and may consolidate market odds around a tighter range.