Upset Brief · NC-08 · Colby Watson (D) vs. Mark Harris (R), incumbent
A long shot on the math: it takes a 10.2-point national wave.
1%
odds today
8%
odds with the plan
42,369
net votes to find
37
days left; voting starts October 15
Where
- 01+307Precinct 227 (Mecklenburg County)Starting line Watson +14. 10.0% split their ticket. About 1,965 more ballots in 2024 than in 2022 (estimate).
- 02+237Precinct 01-04 (Cabarrus County)Starting line Watson +15. 8.2% split their ticket. About 1,784 more ballots in 2024 than in 2022 (estimate).
- 03+230Precinct 137 (Mecklenburg County)Starting line Watson +5. 11.5% split their ticket.
- 04+222Precinct 091 (Mecklenburg County)Starting line Watson +13. 10.9% split their ticket. About 939 more ballots in 2024 than in 2022 (estimate).
- 05+194Sandy Ridge Elementary School (Union County)Starting line Harris +9. 11.1% split their ticket.
- 06+193Precinct 216 (Mecklenburg County)Starting line Watson +15. 8.5% split their ticket. About 1,364 more ballots in 2024 than in 2022 (estimate).
The top 12 precincts carry 17% of the plan.
How
- P+12,253Persuade12,253 voters who split their ticket in recent elections and lean Harris today.
- M+1,485MobilizeAt least 23,194 people who voted in 2024 but not in 2022, in precincts where Watson's side wins at least 55 percent.
- C+753ConsolidateVoters who went third party in recent races, in the precincts that lean Watson's way.
Plus a national shift of 10.2 points of margin (27,878 votes) that no campaign controls.
What has to be true
- Watson wins 50 percent of the ticket splitters now leaning Harris.
- In Wadesboro (Anson County) and Precinct 227 (Mecklenburg County), 35 percent of the people who voted in 2024 but skipped 2022 come back and vote.
- The national environment moves about 10.2 points toward Watson's side between now and November 3.
- No 2026 public poll exists for this race, so the starting line is a weighted blend of official recent results; the first real poll will move it.
The numbers behind it
- 01Crossover regression199 precincts, R² 0.996, 32 crossover precincts identified
- 02Monte Carlo20,000 seeded simulated elections with a 7-point baseline error. 90% range of the final margin with the plan: -60,363 to 4,529 votes.
- 03Money, FEC candidate totals through June 30Watson $2,343 cash on hand; Harris $517,853.
- 04Call program for this list34,398 households, 103,195 dials, about 5,407 live conversations: an estimated $11,073 at published rates.
Independent analysis by The Political Group from official North Carolina State Board of Elections precinct returns (2022 and 2024), FEC filings and published polls, as of September 26, 2026. Not affiliated with any candidate or party.