Odds, liquidity, volume, and open interest are sourced from Polymarket and last synced at Jun 19, 2026 5:17 pm.
Probability history
Market details
- Resolution criteria
- In April 2026, Anthropic released the AI model "Claude Mythos 5" in limited availability to approved partners in its Project Glasswing security program. On June 12, 2026, Anthropic suspended access to Mythos 5 for all customers in response to a directive from the US government.
- Platform
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- Category
- Tech › Claude
- Close date
- June 30, 2026, 7:59 PM UTC
- Market rules summary
- Multi-timeframe Polymarket event. Each listed timeframe is represented by its Yes price on the underlying binary market. View full rules
Claude Mythos 5 Deadline Split Tests US Government Reversal Speed
The market’s tilt toward the later deadline suggests a belief that the suspension can be unwound through a short compliance cycle. The tension is whether a government-driven access freeze creates a predictable paperwork clock or a slower security process with no clean June endpoint.
The pricing tension in this market comes from a narrow clock: access to Claude Mythos 5 was suspended after a US government directive, yet the later June deadline carries the stronger probability. At 59.5% for June 30 versus 30.5% for June 22, the market-implied story is that restoration depends on a fast administrative or compliance sequence, with the extra eight days doing much of the pricing work.
The late-June price assumes bureaucracy can move on a short clock
The 29-point gap between the two listed timeframes matters because it isolates timing as the central variable. The June 22 outcome at 30.5% gives meaningful weight to a rapid reversal, while the June 30 outcome at 59.5% suggests the market assigns more credibility to a restoration process that needs days for review, coordination, and public confirmation. Since the suspension came from a US government directive, the market is implicitly treating government timing as the bottleneck. That makes the price sensitive to any sign that the directive was temporary, conditional, or tied to a narrow compliance fix.
Limited availability makes a fast restart plausible without making it simple
The rules say Anthropic released Claude Mythos 5 in April 2026 in limited availability to approved partners in its Project Glasswing security program. That small access base can support the June 30 outcome because a restart among vetted partners may involve fewer operational steps than a broad consumer rollout. The same detail creates a hidden assumption: approved partners in a security program may face stricter signoff, revised terms, or additional controls before access resumes. The later deadline likely benefits from this balance, where containment can shorten the operational path while government involvement still makes the June 22 clock demanding.
The rules place heavy weight on what counts as restored access
This is a multi-timeframe Polymarket event, with each listed timeframe represented by the Yes price on its underlying binary market. The resolution criteria state that Anthropic suspended access for all customers, which makes the definition of restored access central to pricing. If formal resolution requires access for all affected customers, a partial or staged return could create ambiguity. That matters because a partner-level restart might signal progress in the real world while leaving the market dependent on how restoration is verified under the rules. With $4.33K in volume, $3.39K in liquidity, and $1.7K in open interest, rule interpretation can carry unusual weight when official information is sparse.
The cleanest catalysts are official, dated, and operational
Repricing would likely require evidence that narrows the gap between regulatory permission and actual model access. With only the market page supplied as source context, the following are hypothetical catalyst types, not reported developments:
| Potential signal | Why it matters to this market |
|---|---|
| Anthropic announcement with a restoration date | A dated statement would reduce ambiguity around whether access returns before June 22 or inside the final June window. |
| US government clarification or rescission | Because the suspension followed a government directive, an official change in that directive would address the main external dependency. |
| Approved partners reporting regained access | Operational evidence from the limited customer base would test whether restoration is already underway or still blocked. |
| Silence, extension language, or new conditions | Any signal that the review has no near-term endpoint would weaken the market-implied short compliance-cycle story. |
The strongest counter-signal is a security process without a June deadline
The main challenge to the June 30 price is the origin of the shutdown: a US government directive gives the process an external dependency outside Anthropic’s unilateral control. If the directive relates to undisclosed security, policy, or partner-access concerns, the calendar can become secondary to institutional comfort. That matters because the market closes on June 30, 2026, at 7:59 PM UTC, leaving little room for an open-ended review to resolve cleanly inside the event window. The absence of a public remedial checklist is therefore a pricing risk embedded in both outcomes, with the earlier deadline carrying the sharper exposure.
The market is effectively pricing a race between administrative reversibility and institutional caution. The later deadline carries the higher price because it allows time for a targeted restart among a small approved user base, while the earlier deadline needs near-immediate clarity from both Anthropic and the US government. Any dated official communication could compress that debate; continued ambiguity would push the market to treat June as an insufficient window.
Sources
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