Traders assign overwhelming probability against the UAE and Saudi Arabia severing diplomatic relations in 2026 because the two states maintain extensive economic interdependence, joint Gulf Cooperation Council institutions, and overlapping security priorities despite visible friction. Recent public affirmations of unity by senior officials in July 2026 followed months of open disagreements over Yemen support, oil production quotas, and influence in Sudan and Somalia. These disputes have produced proxy competition and limited diplomatic signaling but have not disrupted formal channels or triggered expulsion of diplomats. Full severance remains a high-threshold outcome given decades of coordination on regional policy and mutual reliance on energy markets. Realistic shifts could still arise from major escalation in Yemen or Red Sea security arrangements that force explicit alignment choices, though current patterns favor managed rivalry over rupture.