Next Fable Model (5.2+) released by...?

According to the latest prediction market data for the query “Next Fable Model (5.2+) released by...?”, traders have formed a strong consensus.

Currently, December 31 is dominating the market with an overwhelming 99.1% chance of winning. October 31 follows in second place at 94.6%, while October 24 sits in third with 91.5%. The betting volume for this specific market has already reached $78.4K, reflecting intense industry interest.

To better assess where each potential outcome stands, the market can be segmented into three distinct trading tiers based on implied probability and contract pricing:

🥇 Tier 1: The Dominant Leader

• December 31 (99.1%): Currently commanding the highest probability, December 31 is heavily favored by the order book. Traders looking to back this outcome face a “Buy Yes” contract price of 99¢, signaling a high degree of market conviction. This contract alone has generated $6.1K in volume.

🥈 Tier 2: The Primary Challengers

• October 31 (94.6%): Positioned as the most viable alternative, October 31 maintains a 94.6% chance of resolving true. Its “Buy Yes” shares currently trade at 95¢.
• October 24 (91.5%): Sitting in third place with a 91.5% probability, the market shows measured skepticism toward October 24, treating it as an outside wildcard unless momentum shifts.

🥉 Tier 3: The Long-Tail Options (Combining for ~0%)

Beyond the top three choices, a wide field of macro variables and long-shot outcomes are being tracked. While their individual probabilities hover low, they represent crucial hedges for speculative traders:

• Alternative Options: This includes October 17 (82%), and October 10 (39.5%).
• Speculative Volume: Despite low statistical likelihood, certain long-tail contracts like October 17 are still attracting notable interest.

This market will resolve to "Yes" if Anthropic's next Fable model (5.2+) is made available to the general public between market creation and the specified date (ET). Otherwise, this market will resolve to "No".

A qualifying model must have a name or model identifier that includes "Fable" and be designated as version 5.2 or higher, regardless of capitalization or surrounding prefixes, suffixes, dates, or descriptors. For example, a version 5.2 or higher named in the same manner as Claude Fable 5 or Claude Fable 5.1 would qualify, including a new whole-number generation such as Claude Fable 6, while models whose name does not include "Fable" or which retain a version designation below 5.2, such as Claude Fable 5.1 or Claude Mythos 5.1, will not qualify.

A qualifying model must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must either be clearly defined and publicly announced by Anthropic as accessible to the general public, or otherwise be made publicly accessible and explicitly labeled on the company's official website. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public will not qualify.

The primary resolution source for this market will be official information from Anthropic, with additional verification from a consensus of credible reporting.

While human consensus and speculative volume shape the broader prediction market, our quantitative algorithms offer a data-driven counter-perspective. By analyzing fundamental signals, underlying trends and historical distributions, our AI Valuation model calculates an independent “Fair Value” probability for each outcome.

Comparing this Fair Value against the current Trade Value uncovers major disparities — known as the Expected Value (EV) Gap. Contracts with a positive EV Gap represent statistically underpriced outcomes, whereas a negative EV Gap flags a potential market overreaction.

Top AI Alpha & Mispriced Arbitrage Opportunities

Based on the latest data model run, several key contracts stand out with significant deviations:

• The Most Overvalued Outcome October 31 currently trades at 94.6%, but our AI places its Fair Value at just 73.9%. This creates a large negative EV Gap of -20.7%, suggesting the crowd may be overhyping this outcome and driving the premium too high.
• The Best Value Play (Highest EV) Our model identifies October 10 as the premium value opportunity on the board. While the market only assigns it a 39.5% trading probability, our AI’s Fair Value assessment sits at 45.3% — yielding an impressive +5.8% EV Gap.