Will the Syrian Democratic Forces collapse, fragment, or lose control over key territories, specifically Manbij, Raqqa, or Deir ez-Zor, before 1 October 2026?

The Syrian Democratic Forces (SDF) is a multi-ethnic coalition primarily composed of Kurdish fighters, established in 2015 with U.S. support to combat ISIS. The SDF has maintained control over key regions in northeastern Syria, including Manbij, Raqqa, and parts of Deir ez-Zor. 
However, the SDF faces numerous challenges that threaten its stability and territorial integrity. In recent years, the SDF has dealt with increasing pressure from various fronts, including Turkish military operations aimed at curbing Kurdish autonomy, ongoing conflicts with remnants of ISIS, and tensions with the Syrian government. The SDF's governance model has been challenged by internal strife, particularly in areas with significant Arab populations, which have led to clashes and accusations of marginalization (ECFR).
Recent reports indicate that fighting erupted between the SDF and Arab tribal groups in Deir ez-Zor after the SDF apprehended a local leader, resulting in casualties and displacement (Security Council Report). Additionally, as U.S. support has waned under changing political administrations, the SDF's vulnerability to external threats has increased (CFR). Given these factors, there is growing concern about the SDF's ability to maintain control over its territories amidst external pressures and internal divisions.
Resolution Criteria:This question will resolve as "Yes" if credible news sources or international organizations report the SDF has experienced any of the following:

• Collapsed: This would be evidenced by reports from SDF leadership that the SDF has disbanded or that they can no longer function as a cohesive military or administrative entity.
• Fragmented: This would be evidenced by reports of significant divisions within the SDF leading to splinter groups that operate independently or engage in conflict with each other.
• Lost Control Over Key Territories: Reports need to indicate that Manbij, Raqqa, or Deir ez-Zor are no longer under effective SDF governance. Indicators of loss of control may include significant armed conflict resulting in the SDF being unable to maintain security or governance in these areas; withdrawal of SDF forces due to overwhelming opposition; and the emergence of rival administrations or armed groups asserting control over these territories, leading to a breakdown in SDF-led governance structures. 

The question will resolve as "No" if none of these events occur before 1 October 2026.