Traders assign a 99.5% probability that Vladimir Putin and Volodymyr Zelenskyy will not hold a bilateral meeting by August 31, 2026, reflecting stalled Russia-Ukraine diplomacy and Moscow’s consistent refusal to engage directly without prior concessions on territory, security guarantees, and Ukrainian neutrality. Recent developments include Zelenskyy’s June 2026 open letter proposing talks in a neutral venue, which received no affirmative response from the Kremlin, alongside frozen trilateral U.S.-mediated efforts disrupted by the Iran conflict and ongoing battlefield operations. Putin has reiterated that core Russian objectives must be met before any summit, while recent Ukrainian proposals delivered to U.S. envoys in August have not produced scheduling signals or breakthroughs. High trader consensus stems from these structural barriers and the short remaining window. A sudden shift could occur only through an unexpected high-level diplomatic intervention or verified commitment announced before the deadline, though current patterns indicate low likelihood of such an event.