Shanghai May 27 Low Temp: Will It Hit 23°C?

Shanghai’s minimum temperature on May 27 has traders picking a single degree out of a twelve-rung ladder. The market has settled on 23°C as the most likely overnight low, pricing that outcome at 62% as of the final hours before resolution. One degree in either direction cuts the payout to zero. That’s the tension driving every trade here.

The market question asks: what is the lowest temperature recorded in Shanghai on May 27? The 23°C outcome carries a YES price of $0.62 and a NO price of $0.38. The contract resolves at 12:00 UTC on May 27, 2026. Total volume stands at $9,995, with $7,293 of that moving in the last 24 hours.

How the Shanghai Temperature Contract Works

YES pays out if Shanghai’s official minimum temperature on May 27 is recorded at exactly 23°C. Any other reading, whether 22°C, 24°C, or beyond, pays NO. The resolution body is the market’s designated data source for Shanghai meteorological records. This is a single-day, single-degree contract with a hard resolution window.

• YES ($0.62, 62% implied probability): Shanghai’s minimum temperature on May 27 registers exactly 23°C.
• NO ($0.38, 38% implied probability): The minimum temperature falls on any other listed outcome, including 22°C, 24°C, 21°C, 20°C, 25°C, 26°C or higher, or 16°C or below.

The NO side covers a wide range. Shanghai records a minimum outside 23°C when overnight cooling pushes the low to 22°C or colder, or when residual warmth keeps the floor at 24°C or above. Late May in Shanghai sits in a transitional weather window: the city averages minimum temperatures between 19°C and 24°C across the last ten days of the month. The spread of outcomes in this market reflects genuine meteorological uncertainty across adjacent degrees.

Sponsored Partner

Momentum and Market Signals

The momentum composite here is essentially flat. The 1-hour price change is 0.0%, and the trend score of 28.89 reflects a market that has found a resting point rather than a directional move. The 62% price has been stable in recent hours, suggesting traders are not receiving new weather data that shifts conviction.

Total volume is $9,995, with $7,293 arriving in the last 24 hours. Liquidity sits at $10,341. Volume is below $1 million, which means this market can reprice sharply if a credible weather update lands before the resolution window closes. Thin markets like this one are sensitive to any new data point, including an updated forecast or an early morning temperature reading from Shanghai.

• The 1-hour price change is flat at 0.0%, and the 24-hour trend shows no confirmed directional shift. The market has stabilized near 62%.
• The trend score of 28.89 is moderate, consistent with a market waiting on final data rather than reacting to a fresh catalyst.
• Volume below $1 million means a single large trade could move the price meaningfully before resolution.
• Liquidity at $10,341 is modest but sufficient for small-to-medium positions. Large entries would widen the spread.
• The 24-hour volume of $7,293 represents most of the total market activity, indicating trader interest concentrated in the final day.

Lines Analysis: Shanghai’s Overnight Low

Late May in Shanghai puts the city squarely in its pre-Meiyu transition period. The regional climate pattern during this window typically keeps overnight lows in the low-to-mid 20s Celsius. A 23°C minimum is consistent with a mild, partly cloudy night with light southerly flow. That profile fits the late-May climatological average for the city, which is why the market has converged on this outcome as the plurality choice.

The 38% probability assigned to NO reflects real uncertainty. The overnight low in Shanghai on any given late-May day can easily land at 22°C if a cold front trails through the Yangtze Delta, or hold at 24°C if maritime air stalls over the coast. The market is not pricing a lock. It is pricing a best-guess plurality in a field of twelve outcomes, none of which individually commands a majority.

• A shift in surface winds from southerly to northwesterly before midnight Shanghai time would push the minimum toward 21°C or 22°C, repricing the NO outcome higher.
• Persistent low cloud cover and high humidity, typical of pre-Meiyu nights, would hold overnight temperatures closer to 24°C or 25°C.
• Any early morning temperature reading from Shanghai Hongqiao or Pudong meteorological stations would be the clearest signal before resolution.
• A rapid pressure change in the 6-hour window before the resolution deadline would be the most actionable wildcard for NO.
• The absence of whale trades in this market means no large-capital signal exists. Price reflects retail consensus only.

The $9,995 total volume is thin. The data leans toward 23°C as the plurality outcome, but the NO side holds more scenarios. No single piece of evidence makes this a high-confidence call. The market is pricing genuine meteorological uncertainty across a narrow temperature band.

LINES VERDICT

Narrow Plurality, Real Uncertainty

The 23°C outcome is the best single guess in a twelve-way field, but late-May Shanghai weather does not deliver certainty at the degree level. The market has priced this correctly as a plurality, not a lock.

What the market says: At 62% implied probability, the market treats 23°C as the most likely single outcome but assigns meaningful probability to adjacent degrees. With the resolution window closing imminently, volatility risk is highest in the final hours before the official low is recorded.

Key unknown: The single most important data point is the official minimum temperature reading from Shanghai’s meteorological network on the morning of May 27. Any verified early reading from station data would immediately reprice every outcome in this contract.