Arbitrage Plan: Buy 'No' on all listed options. Plan Description: This is an extremely low-risk arbitrage opportunity. The market rules state that if the #1 song is n...

Based on the latest Spotify Global Daily Charts (through March 22), the lead single 'SWIM' from BTS'...

March 20, 2026 - March 22, 2026, Babydoll - Dominic Fike collapsed from 72.5c to under 3c, driven by the release of BTS's album 'ARIRANG' on March 20. The lead single 'SWIM' debuted at #1 on the Global Spotify chart and swept the top 14 spots, obliterating Babydoll's chances. March 20, 2026 - March 21, 2026, Favorites like Stateside and American Girls saw their prices go to zero, as the dominant performance of the BTS release (14.6 million single-day streams) confirmed that the unlisted 'Other' category would win the week.

1. Core Forecast: According to the resolution source Wunderground and other models (Google/Meteoblue...

There are two potential risks: 1. **Source Bias & Conversion**: Wunderground (IBM) data can diverge from other models. Crucially, while the source station (LTAC) reports in Celsius (METAR), Wunderground's backend sometimes processes data in Fahrenheit. If a °C -> °F -> °C conversion occurs, rounding errors could shift the result by ±1°C (e.g., 10.5°C rounding to 10°C vs 11°C). 2. **Ambiguous Wording**: The rule states 'recorded... by the Forecast...', which is contradictory ('recorded' implies observation, 'Forecast' implies prediction). While the link points to the History page, this creates ambiguity. If the market were to resolve based on the *forecast* rather than observation (despite the link), the outcome would be different.

From March 23, 2026, 01:30 to 10:10 (UTC), the price of 12°C surged from 33.5c to 59c, while 11°C plunged from 51.5c to 35.5c. The reason is a sharp reversal in market sentiment nearing resolution, with capital suddenly betting on temperatures exceeding the forecast (possibly driven by short-term models showing cloud thinning or panic buying as current temps neared 11°C). From March 22 to March 23, 2026, the price of 10°C went to zero, indicating the market is certain temperatures have already exceeded or will exceed 10.5°C.

Significant divergence. Market prices imply the most likely high is 12°C (59%), which requires temperatures to reach ~53°F. However, mainstream weather sources (Wunderground, Google, Meteoblue) all forecast a high of 51°F (11°C). Market pricing has clearly deviated from the baseline weather forecasts.

Combining forecasts from AccuWeather (predicting 20.5°C-21.6°C / 69°F-71°F) and Metcheck (20°C), the...

March 21 - March 22, 2026, the price of the 18°C option crashed from 27c to 3c, while the 20°C option surged from 33c to 40c+. The reason was that intraday weather model updates (12z) on the 21st ruled out the previously forecast strong cold front, confirming a warmer trend and shifting consensus rapidly from 18°C to the 20-21°C range. March 19 - March 20, 2026, the price of the 22°C option dropped from 19c to 8c as early models progressively ruled out higher heat potential, compressing the forecast into the mid-range.

The latest NWS Point Forecast specifically for KATL (Hartsfield-Jackson) explicitly calls for a high...

2026-03-22 - 2026-03-23, the price of 78-79°F crashed from 41c to 22c, while 76-77°F surged from 27c to 40c. The reason was a fine-tuning of the cold front timing as the event approached; market expectations shifted from 'very warm' (near 80s) to 'moderately warm' (around 77°F), causing capital to rotate rapidly from the 78-79 bucket to the 76-77 bucket. 2026-03-20 - 2026-03-21, the price of 76-77°F rose from 15c to 34c as extreme heat scenarios (84°F+) were ruled out, consolidating consensus into the upper 70s.

Significant divergence exists. The market currently prices 76-77°F as the favorite (Implied Prob ~40%), yet the official NWS Point Forecast for the resolution source (KATL) explicitly predicts a high of 78°F. This suggests the market may be anchoring to unofficial sources or cooler surrounding area forecasts, thereby undervaluing the 78-79°F range.

Arbitrage Plan: Buy '51°F or below' (current price ~95c). Although priced high, the actual risk is negligible based on realized physical observations (midnight temp ~47°F and trending down). Plan Description: It is currently 1:12 AM EDT, and the critical 'Midnight High' risk window has passed safely. Observe...

According to the latest METAR data, the temperature at LaGuardia Airport (KLGA) at 23:51 EDT on Marc...

2026-03-22 17:05 - 2026-03-23 05:00, the price of '51°F or below' surged from 45c to 95c. The reason is that as time crossed midnight EDT (March 23, 00:00), actual meteorological observations confirmed the cold front passed on time, locking the temperature around 47°F and eliminating the risk of a 'Midnight High' exceeding 52°F. 2026-03-22 14:55 - 2026-03-22 18:10, the price of '51°F or below' surged from 37c to 59.5c. The reason was that as Sunday progressed, short-range models and real-time radar reassured traders that the cold front would pass on time, reducing panic about a 'midnight high' and causing prices to revert toward meteorological fundamentals. 2026-03-22 10:35 - 2026-03-22 14:55, the price of '51°F or below' dropped from 48.5c to 37c, due to brief market panic that the cold front might be delayed, causing capital to hedge into the '52-53°F' option.