**JoAnna Mendoza holds an 82.5% implied probability in the AZ-06 House race primarily because traders view the Democratic challenger’s fundraising edge, veteran profile, and focus on affordability as stronger assets in this toss-up district than the incumbent’s record.** Arizona’s 6th Congressional District, covering much of Tucson and surrounding areas, has trended competitive in recent cycles, with Democrats winning statewide races there and the seat decided by narrow margins in 2022 and 2024. Recent polls show Mendoza leading by roughly two points, while she outraised Ciscomani overall and maintains higher cash on hand. The campaign has centered on costs, healthcare access, tariffs, and border issues, with Mendoza positioning herself as independent from national Republican priorities. Early voting began October 7 ahead of the November 3 election, and the race remains one of the most closely watched for House control, though traders currently price Mendoza as the clear favorite based on these factors.