The market's 98.5% implied probability for "No" on Jerome Powell serving jail time before 2027 stems primarily from the absence of any credible criminal proceedings against the Federal Reserve Chair, whose position carries institutional safeguards and whose term ends in May 2026 amid routine monetary policy scrutiny. Traders price in this outcome based on historical precedent—no prior Fed leaders have faced incarceration—and the high evidentiary thresholds for charges involving official acts, with recent FOMC communications and inflation data releases showing standard central bank operations rather than misconduct. While tail risks such as extreme political shifts or novel legal interpretations could theoretically alter the path, these remain remote given current regulatory and judicial norms.