OpenAI's scaling of ChatGPT for roughly 900 million weekly users drives the tight clustering of probabilities around one to three outage days, as frequent minor incidents—elevated errors, login glitches, and degraded performance in components like Thinking mode or Workspace Agents—continue amid model updates and load spikes. August 2026 alone saw roughly 18 short-duration events, most resolved in under four hours, reflecting faster mitigation but persistent frequency from configuration changes and infrastructure strain. Traders weigh OpenAI's ongoing data center expansions and inference optimizations against the risk that any September model release or enterprise workload surge could push additional calendar days into partial outage status, with the spread between one and five-plus days underscoring uncertainty over whether recent resilience gains will hold or if historical monthly patterns repeat.