Moderate risk exists. Resolution relies on a specific third-party tracker (xtracker) and involves nuanced rules (e.g., specific exceptions for main feed replies, and counting deleted tweets if captured within 5 mins). This can cause discrepancies between the tracker data and native user observations on X.

Highly exotic. Betting on the exact tweet volume of a public figure over a random 48-hour window is a pure novelty market tailored for crypto-native speculation, rarely seen in traditional or serious forecasting.

April 17, 2026 - April 18, 2026, the price of the '65-89' option surged from 49.5c to 69.5c, as the accumulated post count is highly likely to fall into this range with the countdown nearing its end, significantly boosting market confidence. April 17, 2026 - April 18, 2026, the price of the '40-64' option plummeted from 31c to 5.9c. This is likely because the actual number of tweets has already broken the upper bound of this range, leading to massive sell-offs. April 16, 2026 - April 17, 2026, the price of the '90-114' option fluctuated widely between 15.5c and 32.5c, reflecting market adjustments for the tail risk of Musk suddenly going on a posting spree. April 13, 2026 - April 15, 2026, the price of the '140-164' option plunged from 11.5c to 2.85c, as the market quickly corrected the initial overpricing.

Between April 16 and April 17, 2026, the price of the 30°C option surged from 20.5c to a peak of 37.5c, and the 29°C option rose from 21.5c to 35c. Meanwhile, the 31°C option fluctuated widely between 15c and 27c. This was caused by updated and more precise weather forecasts narrowing the expected high temperature to the 29°C-30°C range as the resolution date approaches.

April 16, 2026 - April 17, 2026: The price of the 17°C option surged from 19.5c to 50c. The reason is that as the resolution date approaches, updated meteorological models have increasingly aligned on 17°C as the most likely high temperature. April 16, 2026 - April 17, 2026: The price of the 18°C option briefly rose from 20.5c to 33.5c before settling back to 28.5c, reflecting minor residual uncertainty between 17°C and 18°C, though the market is gradually leaning towards 17°C.

April 16, 2026 - April 17, 2026, the price of the 21°C option surged from 29c to 42.5c, and the 22°C option climbed from 12c to a peak of 26.5c, while the 19°C option plummeted from 23c to 5.5c. This is due to the nearing resolution date and updated weather forecasts indicating a significant warming trend on April 18, pushing expected highs to around 22°C.

The market currently prices the combined probability of 20°C and 21°C at over 69%, whereas mainstream weather forecasts predict a high of 72-73°F (around 22-23°C) for Tokyo on April 18. The market is significantly underestimating the likelihood of 22°C and above, indicating a potential information lag.

While weather prediction markets exist in niche circles, predicting the exact high temperature in a specific city on a random date is highly unusual and niche for the general public.

April 16, 2026 - April 17, 2026, the price of '26°C or higher' surged from 45.5c to 98.9c. This occurred because, as the resolution date approached, weather forecast data became highly certain, eliminating the possibility of temperatures below 26°C. April 16, 2026 - April 17, 2026, the prices of '24°C' and '25°C' plummeted from 21.5c each to under 2c, as market confidence shifted entirely to the highest temperature bracket.