OpenAI's infrastructure scaling and historical reliability patterns underpin the tight clustering of trader sentiment around one to three ChatGPT outage days in September, with no single outcome exceeding 22% implied probability. Rapid growth in large language model usage, combined with ongoing data center expansions and potential traffic spikes from new feature rollouts, creates ongoing operational stress that historically produces brief disruptions without widespread multi-day failures. Upcoming developer conferences or model updates could act as swing factors by increasing load, while continued capacity investments and redundancy improvements support the market's lean toward minimal downtime. The narrow spread across outcomes reflects uncertainty around exact timing and severity of any incidents.