Live odds
Anthropic Mythos Release Date Odds
Prediction markets currently give Anthropic a 15.0% chance of publicly releasing Mythos before Jan. 1, 2027; the earlier Dec. 1 and Nov. 1 deadlines are priced at about 13.5% and 8.0%. Anthropic said on Aug. 21 that Mythos 5 now powers Claude Security scans and is coming to partner cyber-defense tools, while direct model access remains restricted. That distinction matters because Kalshi’s contracts require a public release outside a closed beta. Compare the live cumulative deadline odds below as traders react to Anthropic’s rollout plans. These contracts are cumulative. More than one can resolve Yes.
Highest probability
BJ1
Before Jan 1, 202710.5% estimated probability
+852
Momentum Leader
--
No positive 24h move
Largest Venue Spread
--
No cross-venue spread
24H Volume
$869
Actual USD traded
Open Interest
117.9K
4 current contracts
| Contract | Aggregated | Spread | Volume | 14D Trend | KKALSHI |
|---|---|---|---|---|---|
BJ1 | +852 -- | -- | $369 | -- | +85210¢–11¢$369 |
BD1 | +2122 -- | -- | $465 | -- | +21223¢–6¢$465 |
BN1 | +3900 -- | -- | $20 | -- | +39002¢–3¢$20 |
BO1 | +9900 -- | -- | $15 | -- | +9900Ask 1¢$15 |
BJ1
Before Jan 1, 2027
$369 24h1 venues
AGG+852--
K+852
10¢–11¢$369
BD1
Before Dec 1, 2026
$465 24h1 venues
AGG+2122--
K+2122
3¢–6¢$465
BN1
Before Nov 1, 2026
$20 24h1 venues
AGG+3900--
K+3900
2¢–3¢$20
BO1
Before Oct 1, 2026
$15 24h1 venues
AGG+9900--
K+9900
Ask 1¢$15
Completed contracts
Resolved contracts
| Contract | Result | Final probability | Venue |
|---|---|---|---|
| BS1Before Sep 1, 2026 | Resolved No | 5.0% | Kalshi |
| BA1Before Aug 1, 2026 | Resolved No | 1.0% | Kalshi |
| BJ1Before Jul 1, 2026 | Resolved No | 1.0% | Kalshi |
| BJ1Before Jun 15, 2026 | Resolved No | 1.0% | Kalshi |
BS1
Before Sep 1, 2026Resolved No
5.0%BA1
Before Aug 1, 2026Resolved No
1.0%BJ1
Before Jul 1, 2026Resolved No
1.0%BJ1
Before Jun 15, 2026Resolved No
1.0%Price History
Before Jan 1, 2027 chart
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