Upset Brief · MT-02 · Brian Miller (D) vs. Troy Downing (R), incumbent
A long shot on the math: it takes a 14.7-point national wave.
0%
odds today
1%
odds with the plan
54,482
net votes to find
Troy Downing won
result of the November 3, 2026 election
Where
- 01+5,953Yellowstone CountyStarting line Downing +22. 5.4% split their ticket.
- 02+3,615Lewis and Clark CountyStarting line Downing +3. 6.2% split their ticket.
- 03+3,207Cascade CountyStarting line Downing +19. 7.9% split their ticket.
- 04+913Park CountyStarting line Downing +3. 5.5% split their ticket.
- 05+653Jefferson CountyStarting line Downing +31. 6.2% split their ticket.
- 06+643Hill CountyStarting line Downing +12. 10.7% split their ticket.
The top 12 counties carry 80% of the plan.
How
- P+20,309Persuade20,309 voters in play: ticket splitters now leaning Downing, plus the 12 percent still undecided in the latest poll.
- M+0MobilizeFew counties give Miller's side 55 percent or more, so turnout is a small lever here; the plan leans on persuasion instead.
- C+2,049ConsolidateVoters who went third party in recent races, in the closest places on the map.
Plus a national shift of 14.7 points of margin (32,124 votes) that no campaign controls.
What has to be true
- Miller wins 50 percent of the ticket splitters and undecided voters now leaning Downing.
- It would take a national shift of about 14.7 points toward Miller's side, larger than any midterm swing in recent memory.
- The starting line comes from the published 2026 head-to-head polls between these two finalists, sponsored ones included; if the true gap is different, so is the plan.
The numbers behind it
- 01Crossover regression381 precincts, R² 0.989, 44 crossover precincts identified
- 02Monte Carlo20,000 seeded simulated elections with a 5-point baseline error. 90% range of the final margin with the plan: -52,610 to -10,554 votes.
- 03Money, FEC candidate totals through June 30Miller $3,166 cash on hand; Downing $650,464.
- 04Call program for this list32,066 households, 96,198 dials, about 5,041 live conversations: an estimated $10,322 at published rates.
Independent analysis by The Political Group from official Montana Secretary of State precinct returns (2022 and 2024), FEC filings and published polls, as of September 26, 2026. Not affiliated with any candidate or party.