Russia and Ukraine have pursued indirect diplomacy through U.S. mediators and occasional third-party channels since early 2025, yet direct leader engagement remains blocked by core disagreements over sequencing, territorial issues, and security guarantees. In June 2026, Zelenskyy issued an open letter proposing an immediate bilateral meeting in a neutral location to discuss a ceasefire, but Putin declined, stating any summit requires prior expert-level agreements and a finalized framework rather than preliminary talks. Recent U.S.-facilitated proposals exchanged in August 2026 have not altered this stance, with both sides continuing battlefield operations and limited ceasefires. Traders monitor upcoming U.S. envoy visits, Russian parliamentary developments, and any shifts in negotiation preconditions as the primary variables that could enable or preclude a handshake.