Background, methodology, and platform context
Compare Anthropic Releases Claude Mythos prediction market odds side by side across Polymarket, Kalshi. Platforms show similar odds, with an average spread of just 0.0pp. Close agreement often signals strong market consensus. With $873.4K in combined trading volume across 8 outcomes, this is one of the notable cross-platform prediction markets.
Descriptions normalized for comparison (outcome names replaced with [OUTCOME])
If Anthropic releases A model called Mythos [OUTCOME], then the market resolves to Yes.
Release must be to the public, outside of a closed beta, though limiting it to a high-cost subscription tier is acceptable.
Different platforms may use different resolution criteria, data sources, and settlement timelines.