North Korea's pattern of short-range ballistic missile tests and nuclear deterrence rhetoric, including launches on September 20, 2026, ahead of the Trump-Xi summit, reflects calibrated pressure rather than invasion preparations. Traders assign 97.2% probability to no invasion before 2027 due to the absence of large-scale troop movements or border buildups, sustained U.S.-South Korea alliance readiness, and Pyongyang's focus on weapons development alongside diplomatic signals from Washington. Ongoing inter-Korean tensions, constitutional shifts designating the South as an adversary, and North Korea's Russia ties further prioritize asymmetric capabilities over conventional conflict. Realistic shifts could arise from miscalculation during exercises, abrupt changes in U.S. engagement policy, or unforeseen internal pressures in Pyongyang, though these remain low-probability within the timeframe.