The low baseline rate of global magnitude-8.0+ earthquakes, averaging roughly one every 1–2 years according to USGS records, drives the 93% market-implied probability against a megaquake by August 31. No recent foreshocks, unusual seismic swarms, or elevated strain indicators have appeared in major subduction zones monitored by the USGS and similar agencies, keeping near-term odds minimal. Historical patterns show these events occur without reliable short-term precursors, and current quiet conditions align with typical inter-event intervals. A realistic challenge would require sudden rupture in a high-strain segment of the Pacific Ring of Fire or another tectonically active fault, though such triggers remain statistically rare within the narrow remaining window.