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Races · Senate · 2022 · Oklahoma
Senate · open seat

Kendra Horn vs Markwayne Mullin

Safe RR +33.8 forecast· 10 polls · 0 markets
Model's final pre-election call · win probabilitypoliagg-v34 · final pre-election call
1% Horn (D)
99% Mullin (R)
R+15R+5TIEDD+5D+15
Model's predicted final margin R +33.8 · 80% CI R+45.8 → R+21.8
Actual result R+26.5 · backtest (race already called)
Momentum
insufficient data
Tipping-point P
0.0%
Decisive for chamber control
Market · D-side
Cross-platform consensus
News articles · 30d
no recent coverage
Where this race stands
Verified

Safe R · model 99% R

No recent polls or markets for this race. PVI baseline (R+20) suggests Safe R.

The poliagg-v34 ensemble forecasts R+33.8 with an 80% CI ranging from R+45.8 (10th pctile) to R+21.8 (90th pctile), giving R a 99% chance of winning.

CITATIONS · safe-r
Forecast · poliagg-v34
Predicted final margin
R +33.8
80% CI: R +45.8R +21.8 · win prob 1%
R+60R+30TIEDD+30D+60
Quality · inputs
Data quality · high
Polls used10
Days to electionpassed
Actual resultR+26.5
Residual σ6.00pt
Generated7/1/2026

Polling average

2530354045505560MULLIN 56.5HORN 34.5SEP '22OCT '22NOV '22
Weighted, plus each pollster's measured bias subtracted before averaging.

All polls · 10 results

strongpositiveinfocautionflag
DatePollster · trust signalsn · popLeanBias · trackvs ratersD · R
Nov 5Ascend Action+1682 · LVD-LEAND +13.27 tracked+10.6d lean41 · 53
Oct 27Amber Integrated+1For · AMBER INTEGRATED501 · LVD-LEAND +7.87 tracked+8.8d lean41 · 52
Oct 27Emerson College+1For · Emerson Polling1,000 · LVNEUTRALD +0.7118 tracked+0.8aligned35 · 56
Oct 27Ascend Action+1749 · LVD-LEAND +13.27 tracked+10.6d lean41 · 47
Oct 14Amber Integrated+1For · AMBER INTEGRATED500 · LVD-LEAND +7.87 tracked+8.8d lean39 · 52
Oct 11Ascend Action+1638 · LVD-LEAND +13.27 tracked+10.6d lean39 · 50
Oct 5SoonerPoll+3For · News9.com301 · LVNEUTRALD +11.34 tracked+10.1d lean42 · 51
Sep 20Amber Integrated+1For · KOCO500 · LVD-LEAND +7.87 tracked+8.8d lean39 · 50
Sep 6SoonerPoll+2402 · LVNEUTRALD +11.34 tracked+10.1d lean40 · 52
Sep 6Echelon Insights+1522 · RVNEUTRALR +1.36 tracked+3.3noisy28 · 58

Endorsements · 120 total

Source · Wikipedia · 1 candidate with no endorsements yet
Mullin · 100%120
RMarkwayne Mullin120 endorsers
Most notable · Charles McCall · Speaker of the Oklahoma House of Representatives and state representative for the 22nd district (2013–2024)
Elected officials87
Federal 13State 73Local 1
Other20
Organizations13
DKendra Horn0 endorsers
no endorsers yet
No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.

Money raised · own committees

FEC Schedule E (independent expenditures) + candidate-committee totals · last filing 2022-11-01
Markwayne MullinS2OK00186 ↗
Receipts
$5.6M
Disburse
$6.1M
Cash on hand
$55.0K
Debts
$1.2M
Lawyers / law firms$17.4K
HILLIARY COMMUNICATIONS$45.1K
OWNER$26.1K
NORDAM$24.7K
PATHWAY SERVICES$20.3K
MAGNUM DRILLING$17.4K
Kendra HornS2OK00228 ↗
No FEC committee filing yet.
No industry data.
No contributor data.

Outside spending · independent expenditures

FEC Schedule E (independent expenditures) + candidate-committee totals · 24/48-hr IE reports
IE total
$2.9M
D side
$3.5K · 0%
R side
$2.9M · 100%
Top spender
DEFEND US PAC
For / against split
For Horn $3.5K
For Mullin $2.9M
SpenderSideAmountShareTarget
DEFEND US PACR$2.1M71%for Markwayne Mullin
CRYPTO INNOVATIONR$850.2K29%for Markwayne Mullin
BUSINESS LEADERS FOR THE ADVANCEMENT OF SPACE TECHNOLOGY PACD$3.5K0%for Kendra Horn
NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUNDR$1.5K0%for Markwayne Mullin
PERFORMANCE RACING INC.R$499.990%for Markwayne Mullin

Editorial ratings · 6 raters

Cook · Sabato · Inside Elections · 538 · DDHQ et al.
Safe R6
The Cook Political Report
Safe R
Feb 23
DDHQ
Safe R
Jul 19
The Economist
Safe R
Sep 6
538
Safe R
Jun 29
Inside Elections
Safe R
Feb 23
Sabato's Crystal Ball
Safe R
Feb 28

Demographic crosstabs

age · education · race · gender
No demographic crosstabs published for this race yet. Most pollsters release only topline numbers; subgroup breakdowns (age, education, race, gender) appear here when a pollster publishes them.
Rating timeline
May 11, 2026Safe Rmodel
Verification trail
Polls verified10 / 10deterministic
Polls flaggednone
Markets ingested0 platformsnone listed
FEC filingssyncedcommittee + IE · 2022-11-01
Endorsements120 totalWikipedia scrape
News coverage< 5 articlesGoogle News
Method · bounds + percentage totals + date-order checks