North Korea's sustained pattern of missile tests, nuclear force expansion, and hostile rhetoric toward Seoul—coupled with its constitutional framing of South Korea as a separate enemy state—has reinforced trader expectations that full-scale invasion remains improbable before 2027. Recent developments, including short-range ballistic missile salvos in August 2026 despite scaled-back U.S.-South Korea drills and Kim Yo Jong's dismissal of reconciliation overtures from President Lee Jae Myung, align with Pyongyang's established approach of calibrated provocations to extract concessions rather than direct military confrontation. The U.S.-South Korea alliance, extended nuclear deterrence, and North Korea's focus on ties with China and Russia further elevate the costs of conventional aggression. Low-probability shifts that could still alter outcomes include major U.S. policy changes perceived as weakening deterrence, North Korean leadership instability, or rapid battlefield gains from its Russia deployments improving capabilities enough to enable surprise action.