The near-certainty among traders that China will not launch a military invasion of Taiwan by September 30, 2026, stems from the absence of any detectable large-scale mobilization, amphibious exercises, or official statements signaling imminent action in the remaining days of the window. Ongoing cross-strait tensions and diplomatic friction persist, yet no verifiable escalation has materialized despite routine patrols and military posturing. Historical patterns show such operations require extensive preparation that would be visible well in advance. Late surprises such as an abrupt policy shift or unforeseen incident remain theoretically possible but face significant logistical and strategic barriers that keep the implied probability of no invasion at 99.6%.