Anthropic's official status page logged multiple resolved incidents of elevated errors across Claude models throughout May 2026, including notable events on May 6, 8, 22, 29, and 30-31, driving the near-certain market-implied odds of 9-11 downtime days. These disruptions, often tied to capacity strains amid rising user demand for the large language models, produced brief but recurring service impacts on claude.ai, the API, and related tools, consistent with patterns seen in prior high-traffic periods. Traders have converged on this range because the documented timeline aligns closely with user reports on outage trackers and avoids extremes of either flawless uptime or widespread multi-day failures. A narrower definition of "down" that excludes short elevated-error windows, or rapid infrastructure scaling that prevented further incidents late in the month, could still shift final resolution.