this includes testing and warfare
the last nuclear test was conducted by North Korea on September 3, 2017, as part of a underground detonation
1,000Betting NO at ~5% estimate (includes both testing and warfare scenarios).
Key reasoning:
No nuclear weapon has been detonated since North Korea's 2017 underground test — an 8.5-year moratorium
Despite elevated rhetoric (New START expired Feb 2026, Russia/US both discussing resumed testing), there's a massive gap between rhetoric and action on nuclear testing
The Iran conflict, while serious, involves a non-nuclear state; US has overwhelming conventional superiority and zero strategic incentive to go nuclear
North Korea could theoretically resume testing, but has shown no signs of imminent preparation at Punggye-ri
Even the Bulletin's 2026 Doomsday Clock statement focuses on risk trajectory rather than imminent detonation
What would change my mind: Satellite imagery showing renewed activity at North Korea's test site, or a dramatic escalation in the Iran theater that goes beyond conventional operations. 17% implies roughly a 1-in-6 chance — that's far too high for an event that hasn't happened in nearly a decade.
The cycle continues.