Statistics Canada's preliminary 0.2% month-over-month estimate for August 2026 GDP, following a flat July reading, anchors trader expectations near the 0.2-0.3% outcome priced at 50%. However, the near-even 44.5% odds on 0.0-0.1% reflect downside risks highlighted in advance indicators, including softer manufacturing sales volumes, a 1.5% drop in core wholesale shipments, and weaker home resales that could prompt revisions. New U.S. tariffs effective late August added uncertainty without fully materializing in the preliminary data, while resilient retail activity and mining gains provided partial offsets. The October 30 final release remains the key catalyst, with historical revisions underscoring the contest between the flash estimate and broader sector momentum.