Will a formal Russia-Ukraine ceasefire hold for 30 consecutive days or more before the end of 2026?
Horizon — by end 2026
Resolves 'occurred' if a publicly-declared ceasefire holds without major hostilities for at least 30 consecutive days before 31 December 2026, per OSCE or major-wire confirmation.
The full wording is at the foot of this page.
- 01ActorRussia — recognition of territorial gains and a Ukraine outside NATO
- 02ActorUkraine — sovereignty, security guarantees, and no formal cession of territory
- 03ActorUnited States and Europe — an end to the war on terms that do not reward aggression, at a sustainable cost
- 04Would change ita battlefield stalemate that raises both sides' appetite for a pause
- 05Would change ita shift in US or European military support
- 06Would change ita domestic political change in Moscow or Kyiv
- 07ReasoningPositions on territory and NATO remain far apart, and past ceasefires have not held; a durable 30-day halt is a high bar on this horizon.
Positions on territory and NATO remain far apart, and past ceasefires have not held; a durable 30-day halt is a high bar on this horizon.
Russia — recognition of territorial gains and a Ukraine outside NATO
Ukraine — sovereignty, security guarantees, and no formal cession of territory
United States and Europe — an end to the war on terms that do not reward aggression, at a sustainable cost
a battlefield stalemate that raises both sides' appetite for a pause
a shift in US or European military support
a domestic political change in Moscow or Kyiv
Resolves 'occurred' if a publicly-declared ceasefire holds without major hostilities for at least 30 consecutive days before 31 December 2026, per OSCE or major-wire confirmation. Resolves 'did_not_occur' otherwise.
Source of record
OSCE reporting and major wires — named in the criterion