Mark Lamb
AZ-5What the Signal reads
Likely R
Lamb is the Republican nominee for an open seat the Signal rates Likely R. The market has Lamb at 91.5¢ against Lee's 11¢, up 1.1¢ since August 3. Lamb leads 7.9 to 1 in money raised.
The market
Lamb · Republican contract
91.5¢
▲ 1.1¢since August 3
This contract settles on whether a Republican holds the seat, not on Mark Lamb by name.
23,690 traded · 6,536 open. Prices are the yes ask; sides may not sum to 100.Checked 2:09 PM ET
Lamb v Lee
Metric by metricThe 2026 race
Arizona 5th DistrictPrior result
R+20.8
2024 general election, won by Andy Biggs.
Fundraising
7.9 to 1
Raised 2025 to 2026, through July 1.