Will Sydney core house prices fall over 5% year-on-year by December 2026?

Resolves YES if CoreLogic reports Sydney dwelling values are down more than 5% from December 2025 levels in December 2026.
Sydney housing has been declining with three RBA hikes. Borrowing capacity is strained and listings are rising.
Example: YES - Sydney values fall 7% YoY by December 2026. NO - Decline is only 3%.