Trader consensus prices "No" at 85.5% for NATO invoking Article 5 before 2027, reflecting the alliance's high threshold for activation—an armed attack on a member's territory—and the absence of such incidents despite ongoing geopolitical tensions. No qualifying events have occurred in the past 30 days, with Russia's Ukraine offensive contained to non-NATO territory amid hybrid threats like airspace violations on the eastern flank, but falling short of invocation criteria. Earlier in March, Iranian ballistic missiles entering Turkish airspace were intercepted by NATO defenses without triggering Article 5, as confirmed by Secretary General Rutte. Recent U.S.-ally frictions over base access in Spain underscore diplomatic strains, yet reinforce deterrence without escalation signals. Warnings from Polish and NATO leaders of potential Russian probes persist, but traders view these as low-probability tail risks given historical precedent of only one prior invocation post-9/11.