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Will the Republican party win the governorship in Ohio — Vivek Ramaswamy

kalshiElections2026-10-19view on kalshi ↗
32%
Agent
31%
Market Price
+0.5pp
Edge
57%
Confidence
1,539,436
Volume
1.0c
Spread
380
Days to resolution
2
Markets in event
final rationale
average of 2 draws (32%, 31%)
already resolved?
Not resolved: the election is Nov 3, 2026, inauguration is Jan 11, 2027, and there is no media projection yet.
time left
About two weeks to Election Day.
if nothing changes
Status quo favors No: Acton leads the RCP average by 3.5 (other averages about +5), five of the last seven polls have her ahead with only R-aligned firms showing Ramaswamy leads, BGSU's newest poll is Acton +6, and Brown leads the Senate race too.
path to no
The Trump midterm backlash, the data-center issue and Ramaswamy's -10 net favorability hold, and Acton wins by 2-5 points despite a ~$100M ad deficit.
path to yes
Ohio's recurring 2-7 point poll miss toward Republicans repeats, heavy Republican Election Day voting overcomes the Democratic early vote, and undecideds break to Ramaswamy, erasing a 3.5-point gap. Kalshi (31%) and Polymarket (27.5%) agree; adjusting polls for Ohio's historical skew gives about a 33-35% Republican chance, tempered by the wave environment, so I sit slightly above the market at 0.32.
price vs. prediction
market price agent forecast at t+0
16 follow-ups
1. Planner Opus 5.5
Tools chosen: kalshi_direct resolution_source polymarket_related kalshi_related wikipedia
Planner reasoning
This is a Kalshi question on the Ohio governor's race, so kalshi_direct is the price anchor and resolution_source is required (resolution comes from media projections and the inauguration). Polymarket and other Kalshi markets on the same race give independent crowd prices to compare against. Wikipedia covers the candidates and any polling summaries.
2. Research 4 web research agents, Sonnet 5.5
summary
RESEARCH DIGEST (built in code: tool summaries and each report's bottom line; the forecasters read the full tool outputs and reports) Tools - kalshi_direct: ## This Market's Kalshi Data **Vivek Ramaswamy** (GOVPARTYOH-26-R) - Current price (probability): 31.00% (live; bid 30% / ask 31%) - 7-day price change: -1.00% - 30-day price change: -12.00% - Average daily volume: 14083 contracts - Price range: 30.00% - 58.00% - Data points: 90 days - resolution_source: already_resolved=unclear; matches_criteria=False; last_updated=RCP average covers polls through 10/9/2026; the page was fetched about Oct 18, 2026. The election hasn't happened yet. It is scheduled for November 3, 2026, and the winner takes office January 11, 2027, so no media outlets have projected a winner. The latest RealClearPolling average (polls from 9/22 to 10/9) has Democrat Amy Acton at 4 - polymarket_related: Polymarket search over 3 keyword(s), kept 10 matches. keyword 'Ohio governor': 5 markets | keyword 'Ramaswamy': 0 markets | keyword 'Acton': 5 markets - kalshi_related: 1 related markets / summaries. series GOVPARTYOH: 0 markets (skipped 2 no-signal) | keyword 'Ohio governor': ok - wikipedia: Fetched 2 Wikipedia entries (0 missing pages). Research loops, bottom lines - current state: As of 2026-10-19, Acton leads the public polling average by about 3.5 to 5 points and has gained over the past month. All major forecasters call it a toss-up, and Ramaswamy has a large personal-money edge, Trump and Vance campaigning for him, and Ohio's Republican lean. Election Day is 2026-11-03, with no debate scheduled, so the remaining events are early voting and ads. - base rate: The long-run base rate favors Republicans strongly, since Ohio has gone Republican in every governor race since 2010. The current cycle contradicts that: polls, a likely Democratic-leaning midterm environment and the major markets (about 70% Acton) all lean toward a Democratic flip. Raters call it a toss-up, and a few unproven models lean Republican. An average poll lead of about 3–4 points four weeks out is not decisive, and Ohio polling has historically underestimated Republicans in some cycle - yes case: The strongest YES case is that Ohio's polls have repeatedly understated Republicans by more than Acton's current lead. Ohio also has a Republican structural lean, a large Republican money advantage, and late in-person Republican voting. Its weakness is that the evidence is mostly historical and mechanistic, while current polls, early votes and markets favor Acton. - no case: The NO case rests on a steady move to Acton, a poor environment for the party in power (Trump approval near 37–42%, generic ballot D+3 in Ohio, Brown also ahead), Ramaswamy's negative favorability, and the fact that a heavy ad edge has not turned the polls. The weakness is Ohio's Republican base rate, the toss-up ratings, the R-aligned polls showing a close race, and polling error in Ohio that has historically run against Democrats.
tools
toolstatustimeitemssummary
kalshi_direct OK 0.2s 1 ## This Market's Kalshi Data **Vivek Ramaswamy** (GOVPARTYOH-26-R) - Current price (probability): 31.00% (live; bid 30% / ask 31%) - 7-day price change: -1.00% - 30-day price change: -12.00% - Average daily volume: 14083 contracts - Price range: 30.00% - 58.00% - Data points: 90 days
resolution_source OK 10.0s 1 already_resolved=unclear; matches_criteria=False; last_updated=RCP average covers polls through 10/9/2026; the page was fetched about Oct 18, 2026. The election hasn't happened yet. It is scheduled for November 3, 2026, and the winner takes office January 11, 2027, so no media outlets have projected
polymarket_related OK 0.5s 10 Polymarket search over 3 keyword(s), kept 10 matches. keyword 'Ohio governor': 5 markets | keyword 'Ramaswamy': 0 markets | keyword 'Acton': 5 markets
kalshi_related OK 0.9s 1 1 related markets / summaries. series GOVPARTYOH: 0 markets (skipped 2 no-signal) | keyword 'Ohio governor': ok
wikipedia OK 0.3s 2 Fetched 2 Wikipedia entries (0 missing pages).
web research agents 4/4 ok, 16 searches, 11 page reads
dimensionstatustimesearchespage readsreport
current state OK 29s 4 3 5702 chars
base rate OK 19s 4 2 4665 chars
yes case OK 28s 4 2 6537 chars
no case OK 28s 4 4 6305 chars
report: current state
- [2026-10-19] The race has not been decided. The general election is on 2026-11-03. The Republican nominee is Vivek Ramaswamy, with running mate Rob McColley. The Democratic nominee is Amy Acton, with running mate David Pepper. Libertarian Don Kissick is also on the ballot. Incumbent Republican Gov. Mike DeWine is term-limited, and the winner is inaugurated on 2027-01-11. https://en.wikipedia.org/wiki/2026_Ohio_gubernatorial_election - [2026-10-19] The RealClearPolling average (polls from 9/22 to 10/9) is Acton 48.2, Ramaswamy 44.7, a lead of 3.5 for Acton. RCP rates the race a Toss Up. The individual polls on that page: - co/efficient (R-sponsored), 10/5–10/6: Ramaswamy +2. - Bowling Green/YouGov, 9/29–10/9: Acton +6. - CNN/SSRS, 9/29–10/5: Acton +8. - Big Data Poll (R-aligned), 9/25–9/27: Ramaswamy +1. - Marist, 9/24–9/27: Acton +6. - NYT/Siena, 9/22–10/1: Acton +4. - Suffolk, 9/23–9/27: Acton +9. https://www.realclearpolling.com/polls/governor/general/2026/ohio/ramaswamy-vs-acton - [2026-10-18] A new Bowling Green State University poll has Acton ahead 50–44. That is double Ramaswamy's deficit a month earlier. Other aggregators show Acton ahead by about 4.7 to 5 points. In the same BGSU poll, most voters (55%–43%) still expect Ramaswamy to win. https://www.thehansindia.com/news/international/ramaswamy-trails-acton-by-six-points-in-bgsu-ohio-poll-1133498 and https://www.bgsu.edu/arts-and-sciences/democracy-and-public-policy-research-network/bgsu-poll.html - [2026-10-11] All three major forecasters now rate the race a toss-up. Sabato's Crystal Ball moved it from Lean R to Toss-up on 9/23, Inside Elections followed in early October, and Cook has rated it a toss-up since July. Kondik of Sabato cited a persistently poor national environment for Republicans. (Ballotpedia on 2026-09-23 still listed Inside Elections as Tilt R.) https://www.ap7am.com/en/137522/ramaswamy-eyes-third-indian-american-governorship-in-ohio-toss-up - [2026-10-13] Campaign finance: - Acton outraised Ramaswamy in July, August and September. In September she raised about $6M against his roughly $3M. - Ramaswamy has put more than $36M of his own money into the campaign, structured as loans, including $5M-plus in August and September. - An NBC4 report says Ramaswamy had $48.7M cash on hand to Acton's $24.1M. - Ramaswamy also has a supportive super PAC; as of April it had raised $29.5M. https://ohiocapitaljournal.com/2026/10/13/ramaswamy-loans-campaign-5-million-more-as-acton-outpaces-him-with-donors/ and https://www.nbc4i.com/news/your-local-election-hq/vivek-ramaswamy-amy-acton-rely-on-ohio-donors-in-last-stretch-of-campaigns-for-governor/ - [2026-10-12] Trump rallied with Ramaswamy in Youngstown. Vice President Vance also campaigned for him in Lima. https://americanbazaaronline.com/2026/10/13/vote-for-vivek-trump-backs-vivek-ramaswamy-in-ohio-governors-race-489928/ - [2026-10-15] No debate is scheduled. Acton declined debate invitations in early September, citing personal attacks and AI-generated ads portraying her as an alcoholic. Ramaswamy accepted invitations from WLWT and CNN. He is still publicly pressing her to debate. https://indiawest.com/ramaswamy-attacks-dem-opponent-amy-acton-for-not-debating-him/ - [2026-10-15] Early voting is underway. Ramaswamy was reported to have retreated from an earlier "Ohioans-First" free-electricity proposal and to face criticism over data centers. https://defirate.com/news/ramaswamy-a-polling-boost-ohio-traders-back-acton/ and https://indianewengland.com/vivek-ramaswamy-trails-in-ohio-governors-race-challenges-democratic-rival-over-debate-refusal/ - [2026-10-14/15] Other prediction markets, for context (stale, only a snapshot): Kalshi had Acton at 68% and Polymarket had her at 72% (15 Oct). RCP showed Polymarket at 71% for Acton. https://news.kalshi.com/p/ohio-governor-odds-acton-surges-to-68-against-ramaswamy-in-the-ohio and https://defirate.com/news/ramaswamy-a-polling-boost-ohio-traders-back-acton/ - [2026-10-15] PoliAgg's model gives Ramaswamy 89% and a margin of R+10.5. This is a clear outlier, and its own page text is internally inconsistent (it mentions "tilt-D" and a stale August poll). https://poliagg.com/race/us-governor-2026-oh/ - [2026-10-05] The Fox News poll (8/6–8/10) had Ramaswamy ahead 50–48. Since then polls have trended toward Acton. An earlier NYT/Siena poll (6/15–6/28) was tied 47–47. A senior GOP source cited by Cook in July said Ramaswamy was "the wrong guy" for this environment. https://www.realclearpolling.com/polls/governor/general/2026/ohio/ramaswamy-vs-acton and https://www.wvxu.org/politics/2026-07-16/cook-political-report-ohio-governor-ramaswamy-acton-toss-up - [Background] Ohio has not elected a Democratic governor since 2006. DeWine won by 25.5 points in 2022 and by 4.3 points in 2018. Trump carried Ohio in 2024. The Senate race (Brown vs. Husted) is also close and is on the same ballot. https://www.realclearpolling.com/polls/governor/general/2026/ohio/ramaswamy-vs-acton and https://en.wikipedia.org/wiki/2026_Ohio_gubernatorial_election BOTTOM LINE: As of 2026-10-19, Acton leads the public polling average by about 3.5 to 5 points and has gained over the past month. All major forecasters call it a toss-up, and Ramaswamy has a large personal-money edge, Trump and Vance campaigning for him, and Ohio's Republican lean. Election Day is 2026-11-03, with no debate scheduled, so the remaining events are early voting and ads. NOT FOUND: The Kalshi resolution page itself and any official results (none exist yet). Any Ohio governor poll dated after 10/9 other than BGSU. The Hill article, which could not be opened. Any scheduled debate.
report: base rate
- [2026-10-19] Polling: the RealClearPolling average (9/22–10/9) is Acton +3.5 (48.2–44.7), and RCP rates the race a Toss Up. Of the 7 most recent polls, 5 have Acton ahead (CNN +8, Marist +6, BGSU/YouGov +6, NYT/Siena +4, YouGov +4). The two exceptions are the Republican-aligned co/efficient (Ramaswamy +2) and Big Data Poll (Ramaswamy +1). Suffolk (Sept) had Acton +9. https://www.realclearpolling.com/polls/governor/general/2026/ohio/ramaswamy-vs-acton - [2026-10-19] Polling trend: Ramaswamy led or tied in most polls through August (Fox 8/6–8/10 Ramaswamy +2; NYT/Siena June tie). Acton has led every major poll since September. https://www.realclearpolling.com/polls/governor/general/2026/ohio/ramaswamy-vs-acton - [2026-10-18] The BGSU October poll has Acton 50, Ramaswamy 44, double the September gap. Most respondents (55–43) still expect Ramaswamy to win. https://www.bgsu.edu/arts-and-sciences/democracy-and-public-policy-research-network/bgsu-poll.html - [2026-10-19] Other prediction markets: Polymarket shows Acton 73% and Ramaswamy 28%. Kalshi was reported at about 68–71% for Acton in mid-October, up from about 54% a month earlier. I did not check this contract's own price. https://polymarket.com/event/ohio-governor-winner-2026 and https://news.kalshi.com/p/ohio-governor-odds-acton-surges-to-68-against-ramaswamy-in-the-ohio - [2026-10-17] Model forecasts disagree with the markets. Pollsmax gives Ramaswamy 51.3% (Tilt R, projected R+0.2). VotePredictor gives Ramaswamy 62%. PoliAgg showed R 89% (a fundamentals-heavy model; its page also lists the market at D 72¢). Octagon's AI model, in a September update, had Acton at 52% against a market of 44%. These are low-quality aggregators with no known track record. https://www.pollsmax.com/governor/ohio/forecast/ and https://votepredictor.com/races/2026_GOV_OH and https://poliagg.com/race/us-governor-2026-oh/ - [2026-09-23] Expert ratings are split. Cook rates the race Toss-up (moved from Lean R on 2026-07-16). Sabato rates it Lean R and Inside Elections rates it Tilt R, per Ballotpedia. A 2026-10-06 article says Sabato is now Toss-up, and a 2026-10-15 article says the same. Ballotpedia notes Ohio last elected a Democratic governor in 2006. https://news.ballotpedia.org/2026/09/23/amy-acton-d-and-vivek-ramaswamy-r-to-face-off-in-toss-up-election-for-governor-of-ohio/ - [2026-07-16] Cook's move to Toss-up quoted Ohio Republicans as pessimistic about Ramaswamy and called the environment poor for the party in power. https://www.wvxu.org/politics/2026-07-16/cook-political-report-ohio-governor-ramaswamy-acton-toss-up - [2026-10-19] Historical base rate: Democrats have not won an Ohio governor race since 2006 (Strickland). Ohio has had a Republican trifecta since 2010. Trump won Ohio by 11 points in 2024. https://en.wikipedia.org/wiki/2026_Ohio_gubernatorial_election - [2026-10-19] Recent Ohio governor results: DeWine won 50.7–46.4 in 2018 (a Democratic-wave year), 62.6–37.1 in 2022, and Kasich won by about 31 points in 2014. The 2026 seat is open, with no incumbency premium. https://www.realclearpolling.com/polls/governor/general/2026/ohio/ramaswamy-vs-acton and https://uspollingdata.com/news/governor-2026-ohio-open/ - [2026-10-14] Midterm environment: Republicans hold the White House, which is historically a headwind for the president's party in midterms. The BGSU poll found Democrats far more motivated to vote (62% to 29%), and Polymarket notes Democrats lead among early ballots cast so far. Ramaswamy's net favorability is about -10 and Acton's is about -1. https://www.bgsu.edu/arts-and-sciences/democracy-and-public-policy-research-network/bgsu-poll.html and https://polymarket.com/event/ohio-governor-winner-2026 - [2026-10-19] Timing: the election is on 2026-11-03 and the winner is inaugurated 2027-01-11. A Libertarian, Don Kissick, is on the ballot. https://en.wikipedia.org/wiki/2026_Ohio_gubernatorial_election BOTTOM LINE: The long-run base rate favors Republicans strongly, since Ohio has gone Republican in every governor race since 2010. The current cycle contradicts that: polls, a likely Democratic-leaning midterm environment and the major markets (about 70% Acton) all lean toward a Democratic flip. Raters call it a toss-up, and a few unproven models lean Republican. An average poll lead of about 3–4 points four weeks out is not decisive, and Ohio polling has historically underestimated Republicans in some cycles. NOT FOUND: A Sabato's Crystal Ball or Inside Elections page with the current rating (sources conflict on whether Sabato is Lean R or Toss-up). Any track-record data for the aggregator models. Official early-vote turnout data.
report: yes case
YES means: Republican Vivek Ramaswamy wins the Nov 3, 2026 Ohio governor election and is inaugurated governor (scheduled for Jan 11, 2027). - [2026-09-30] **Polling error history in Ohio.** The RCP average understated Republicans in each recent Ohio general election: - 2024 Senate: Moreno led by 1.7 in the average and won by 3.6. - 2016 presidential: Trump led by 2.2 and won by 8.1. - 2020 presidential: Trump led by 1.0 and won by 8.2. - 2024 presidential: Trump led by 9.3 and won by 11.2. Acton's RCP lead is about 3 to 3.5 points, which is inside these misses. The Daily Signal is a conservative outlet, but the RCP figures are checkable. https://www.dailysignal.com/2026/09/30/midterms-forecast-ohio/ - [2026-09-26] Echelon Insights data, cited by the Daily Signal via Patrick Ruffini, shows Ohio is among the states where strong Republicans are hardest to reach in polls. That is a mechanism for a pro-Democratic poll skew. https://www.dailysignal.com/2026/09/30/midterms-forecast-ohio/ - [2026-10-11] Pew's Scott Keeter, cited by Axios, says midterm polling has been more accurate than presidential polling, though some surveys still underestimated Republicans in 2022. Axios framed Democrats' lead as possibly a "polling mirage" in the view of some Republicans. https://activeinvestormag.com/story/2026-10-11-pm-polls-point-to-democratic-gains-in-ohio-as-republicans-quest/ - [2026-10-18] BGSU professor Robert Alexander, who runs the poll showing Acton +6, said he would be surprised if the races did not end up within the margin of error. He noted Republicans have "closed well" in recent statewide elections. The poll's margin of error is 3.95 points. https://www.thehansindia.com/news/international/ramaswamy-trails-acton-by-six-points-in-bgsu-ohio-poll-1133498 - [2026-10-05/06] The co/efficient poll (Ramaswamy 45, Acton 43, Libertarian 3, undecided 8) is the newest poll with a Ramaswamy lead. It had 925 likely voters, was fielded after Trump's Youngstown rally, and ended a five-poll run of Acton leads. 8% undecided leaves room for late movement. https://www.newsweek.com/vivek-ramaswamy-gets-boost-after-five-ohio-polling-blows-in-a-row-12544047 - [2026-10-15] Early-vote data from the Ohio Secretary of State: through Monday (10/12), Democrats had returned about 94,000 ballots, unaffiliated voters about 67,000, and Republicans about 64,000. This looks bad for Ramaswamy, but it is small and early. Total early voting is running behind 2022, and absentee requests are down almost 250,000 (631,079). Ohio Capital Journal cites a political scientist attributing the decline to Republican distrust of mail voting, so the GOP can bank votes later in person. Election Day voting in Ohio is typically Republican-heavy. https://ohiocapitaljournal.com/2026/10/15/ohio-early-vote-way-up-compared-to-2022-but-absentee-ballot-requests-are-down/ - [2026-10-15] The same article says first-week in-person early voting (194,841) was nearly 4x 2022's. Counties that cleared 40% of their 2022 early totals are Cuyahoga, Lucas, Lorain and Summit. That is the Democratic-leaning Cleveland, Toledo and Akron area. Seniors are over half of ballots cast. Because this is front-loaded Democratic and urban voting, it is a weak guide to the final result. https://ohiocapitaljournal.com/2026/10/15/ohio-early-vote-way-up-compared-to-2022-but-absentee-ballot-requests-are-down/ - [2026-10-13] Acton's own campaign says Ramaswamy and allied super PACs have spent over $101M on ads against her, including $36M of his personal loans. The Washington Times (8/27) reported campaign spending of $25.5M plus $29.7M from the super PAC V-PAC, and Acton's first ad aired only in early August. Musk gave V-PAC $5M. This is a large, sustained paid-media advantage, and the Acton campaign's own statement concedes the volume. https://actonforgovernor.com/vivek-ramaswamy-and-billionaire-allies-surpass-101-million-in-ad-spending-against-dr-acton/ and https://www.washingtontimes.com/news/2026/aug/27/gops-vivek-ramaswamy-spends-big-dominates-tv-attacks-tight-race-ohio/ - [2026-08-27] Ramaswamy's ads attack Acton on COVID nursing-home lockdowns, policing and immigration. Acton is running as a moderate and embraces voter photo ID. Acton's pandemic record is a long-running Republican attack line, and the BGSU poll (10/18) shows 51% saying Ramaswamy ran more negative ads. https://www.washingtontimes.com/news/2026/aug/27/gops-vivek-ramaswamy-spends-big-dominates-tv-attacks-tight-race-ohio/ - [2026-09-30] Republican strategist Matt Dole argues Ohio "is redder in midterm elections than in presidential elections." He cites the 2006 Democratic win as driven by Republican scandals. Separately, the Daily Signal argues that headline leads of +6 to +8 may depress Republican turnout, and argues a 3 to 5 point outcome is more plausible. https://www.dailysignal.com/2026/09/30/midterms-forecast-ohio/ - [2026-06-?] Fox's poll, as read by Cook (about 129 days before 10/19), had the governor race 50–49 for Acton, with Ramaswamy winning Republicans 89–10. Cook's cited Fox figures put Trump's Ohio net favorability at −15 (vs +6 in 2024). Ramaswamy's route to YES depends on Republicans consolidating, since the polls show him still short of the 2024 Republican share. https://www.charliecookpolitics.com/p/ohio-poll-could-portend-trouble-for - [2026-10-12] Most likely path to YES: the Republican baseline reasserts itself in a state Cook rates 5 points more Republican than the nation (Cook PVI). That requires four things: - Acton's lead stays within the 3 to 4 point range of the average. - Polls understate Republicans by the 2–4 points typical of Ohio's recent misses. - Heavy Republican Election Day voting offsets the Democratic early lead. - Ramaswamy's $100M-plus media edge lifts his negatives on Acton. https://www.charliecookpolitics.com/p/ohio-poll-could-portend-trouble-for BOTTOM LINE: The strongest YES case is that Ohio's polls have repeatedly understated Republicans by more than Acton's current lead. Ohio also has a Republican structural lean, a large Republican money advantage, and late in-person Republican voting. Its weakness is that the evidence is mostly historical and mechanistic, while current polls, early votes and markets favor Acton. NOT FOUND: Any scheduled debate or post-10/9 poll other than BGSU. The Sabato and Inside Elections rating pages themselves. Any partisan early-vote breakdown past 10/12. Verified data showing a systematic midterm-specific Republican polling miss in Ohio.
report: no case
YES means: the Republican nominee (Vivek Ramaswamy) wins the 2026 Ohio governor election and is inaugurated as governor. This report argues the NO side, which is an Acton win or any other non-Republican inauguration. - [2026-10-05] The Marist poll (Sept 24–27, 1,298 registered voters) found 41% of Ohio voters saying their midterm vote is a vote against Trump, and only 25% saying it is a vote for him. Trump's approval among Ohioans was 42%, and the NYT national average had it at 37%. In the same article, the generic congressional ballot in Ohio is D+3 and the national generic ballot is D+8.5 (RCP). Mechanism: a referendum on the party in power helps Acton with no incumbent to dilute it. https://ohiocapitaljournal.com/2026/10/05/poll-dems-open-lead-in-two-ohio-races/ - [2026-10-05] The same Marist piece reports that 41% of voters say they are financially worse off, against 19% better off. It also describes a "quick, sharp backlash" over data centers. It quotes an August NRSC memo calling data centers the "anchor" around Husted's neck. Ramaswamy has personal exposure to data-center investing, which Acton's campaign is attacking. https://ohiocapitaljournal.com/2026/10/05/poll-dems-open-lead-in-two-ohio-races/ - [2026-10-06] Pollsmax's polling table, which adjusts for partisanship, shows only 4 Ramaswamy leads among the 12 polls since June 1: co/efficient (R), Big Data (R), Beacon/Shaw (Aug) and the earlier Echelon (R). Every nonpartisan or Democratic-sponsored poll from September onward has Acton ahead, by margins from +3 to +9. The Pollsmax average of D+2.1 is the tightest of the averages and is dated Oct 6. It predates BGSU's Acton +6 (Sept 29–Oct 9 fieldwork), so it is likely stale-low for Acton. https://www.pollsmax.com/governor/ohio/ - [2026-10-12] Another sign of the national environment: the co/efficient poll (R) of Oct 5–6 also shows Trump disapproval at 52%, even though it gives Ramaswamy +2. Its Senate numbers are Husted 44, Brown 43. Even the most Republican-friendly recent poll shows a one-to-two-point race rather than a comfortable Republican lead. https://battlegrounds.coefficient.org/oh/ - [2026-10-12] The Senate race is the same-ballot correlate. RCP's Senate average (9/21–10/9) is Brown +3.3, with 10 polls and only one Republican-favoring result. Brown, 48% in BGSU and 51% in Marist, is the stronger down-ballot signal of a Democratic electorate. An Acton win does not require a split ticket. Splitting would hurt her only if Ohio's DeWine-style Republican crossover returned for Ramaswamy, and Ramaswamy's net favorability is −10. https://www.realclearpolling.com/polls/senate/special-election/2026/ohio/husted-vs-brown - [2026-10-18] An ActiVote online poll of 400 likely voters (Sept 26–Oct 18) has Husted +0.4 over Brown. It is a small-sample outlier, so it is thin support for a Republican rebound. I found no equivalent governor poll in the last 10 days apart from BGSU. https://www.activote.net/polls/2026/oh-u-s-senate/2026-10-18/ - [2026-10-13] Money cuts the other way, but with diminishing returns. Acton's campaign says Ramaswamy and allies have spent over $101M in ads against her, and says "it hasn't moved the needle one inch". This is a partisan claim, but it is consistent with her having gained in polls since August (RCP average Acton +1.0 on Sept 22, +3.5 now). A 7:1 ad advantage that failed to hold a Republican lead is a sign of candidate weakness. The BGSU poll finds 51% of voters say Ramaswamy ran more negative ads, against 28% for Acton. https://actonforgovernor.com/vivek-ramaswamy-and-billionaire-allies-surpass-101-million-in-ad-spending-against-dr-acton/ and https://www.thehawk.in/news/world/ramaswamy-trails-acton-by-six-points-in-bgsu-ohio-poll - [2026-10-16] The CNN/SSRS poll has Acton +27 among independents and taking 7% of Republicans, against Ramaswamy's 2% of Democrats. The BGSU Senate and governor results are both Democrat +6. A lead built on independents and some Republican crossover is more robust than one built only on Democratic enthusiasm. https://defirate.com/news/ramaswamy-a-polling-boost-ohio-traders-back-acton/ and https://thehill.com/homenews/campaign/6154137-ohio-polls-democrat-surge/ - [2026-10-12] The Hill quotes an Ohio political scientist saying the Democratic brand is weaker than the Republican brand in Ohio, but "the headwinds against Republicans right now are pretty strong". This comes from a search snippet; the page itself did not open. Vance's own framing at the Lima rally was that Republicans "need" Ramaswamy to win, which suggests a close race. Turnout is the stated crux, and Trump personally urged early voting. https://thehill.com/homenews/campaign/6139956-ohio-governor-election-ramaswamy-acton/ - [Resolution mechanics] The market resolves Yes only on a Republican inauguration, and a media-consensus call can resolve it early. Every outcome other than a Ramaswamy win resolves No. That includes an Acton win, a Libertarian win (negligible) and a failure to be inaugurated. The mechanics create no asymmetry in Acton's favor. Her path is simply to win the single Nov 3 election. Ohio has no runoff. A narrow race could take days to call. I found no Ohio recount threshold or litigation sources. - [2026-10-15] Market context: the defirate piece gives Kalshi 68% Acton ($2.6M volume) and Polymarket 72% ($400K+ volume). These are thin markets. Kalshi's own post attributes the 14-point monthly move to polls and the data-center backlash. The market agrees with the polling-based NO case. Not independent evidence. https://news.kalshi.com/p/ohio-governor-odds-acton-surges-to-68-against-ramaswamy-in-the-ohio BOTTOM LINE: The NO case rests on a steady move to Acton, a poor environment for the party in power (Trump approval near 37–42%, generic ballot D+3 in Ohio, Brown also ahead), Ramaswamy's negative favorability, and the fact that a heavy ad edge has not turned the polls. The weakness is Ohio's Republican base rate, the toss-up ratings, the R-aligned polls showing a close race, and polling error in Ohio that has historically run against Democrats. NOT FOUND: Early-vote turnout data by party. Any governor poll dated after Oct 9 other than BGSU. A readable copy of The Hill pages (both failed to open). Ohio recount or contest rules. Any scheduled debate.
3. Forecasters 2 draws, Opus 5.5
claude-opus-5-5, high effort
57% conf
Yes 32%
No 68%
already resolved?
Not resolved: the election is Nov 3, 2026, inauguration is Jan 11, 2027, and there is no media projection yet.
time left
About two weeks to Election Day.
if nothing changes
Status quo favors No: Acton leads the RCP average by 3.5 (other averages about +5), five of the last seven polls have her ahead with only R-aligned firms showing Ramaswamy leads, BGSU's newest poll is Acton +6, and Brown leads the Senate race too.
path to no
The Trump midterm backlash, the data-center issue and Ramaswamy's -10 net favorability hold, and Acton wins by 2-5 points despite a ~$100M ad deficit.
path to yes
Ohio's recurring 2-7 point poll miss toward Republicans repeats, heavy Republican Election Day voting overcomes the Democratic early vote, and undecideds break to Ramaswamy, erasing a 3.5-point gap. Kalshi (31%) and Polymarket (27.5%) agree; adjusting polls for Ohio's historical skew gives about a 33-35% Republican chance, tempered by the wave environment, so I sit slightly above the market at 0.32.
claude-opus-5-5, high effort
58% conf
Yes 31%
No 69%
already resolved?
Not resolved. The election is November 3, 2026, inauguration is January 11, 2027, and no media projection exists yet.
time left
About 15 days remain to Election Day; resolution follows a media-consensus call, possibly within days.
if nothing changes
Acton leads the RCP average 48.2–44.7 (+3.5), and BGSU on 10/18 has her +6. Every nonpartisan poll since September has her ahead, so the status quo points to No.
path to no
The Democratic-leaning midterm environment holds (Trump approval around 42% in Ohio, Brown also leading in the Senate race, Democrats more motivated). Acton's lead with independents survives Ramaswamy's large ad advantage.
path to yes
Ohio polls understate Republicans again by 2–4+ points, as in 2016, 2020 and 2024. Heavy Republican Election Day voting erases the Democratic early-vote lead, and Ramaswamy's $100M+ media edge and the Trump/Vance rallies consolidate Republicans. All three raters still call it a toss-up. The anchors are Kalshi at 31% and Polymarket at 27.5% for Republicans. The Ohio polling-miss history pushes up and the consistent poll trend toward Acton pushes down; these roughly cancel and are largely priced in. I stay near the Kalshi price at 31%.
4. Final plain mean of 2 draws
32% (57% confidence)
Yes: 32% No: 68%
average of 2 draws (32%, 31%)
already resolved?
Not resolved: the election is Nov 3, 2026, inauguration is Jan 11, 2027, and there is no media projection yet.
time left
About two weeks to Election Day.
if nothing changes
Status quo favors No: Acton leads the RCP average by 3.5 (other averages about +5), five of the last seven polls have her ahead with only R-aligned firms showing Ramaswamy leads, BGSU's newest poll is Acton +6, and Brown leads the Senate race too.
path to no
The Trump midterm backlash, the data-center issue and Ramaswamy's -10 net favorability hold, and Acton wins by 2-5 points despite a ~$100M ad deficit.
path to yes
Ohio's recurring 2-7 point poll miss toward Republicans repeats, heavy Republican Election Day voting overcomes the Democratic early vote, and undecideds break to Ramaswamy, erasing a 3.5-point gap. Kalshi (31%) and Polymarket (27.5%) agree; adjusting polls for Ohio's historical skew gives about a 33-35% Republican chance, tempered by the wave environment, so I sit slightly above the market at 0.32.
Pipeline Timing
Total pipeline time: 74.3s
Per-tool research timings shown in the Research section above.