Brian Bengs
Candidate · U.S. Senate · South Dakota
Independent · Challenger5%
To win · Kalshi, Oct 27, 2026
▼ 3 pts since August
Running for
OfficeU.S. Senate
SeatSouth Dakota, statewide
AgainstMike Rounds (R), incumbent
ElectionNov 3, 2026 · 7 days
StandingChallenger
BallotDirectory listing
Links
Running statewide
South Dakota · Senate seat
Roster checked Sep 29, 2026. Listed as: Attorney, Retired USAF Lt Colonel, Ex-Democrat & '22 US Sen Candidate.
Where They Stand
Statement estimateNo votes yet, so this is read from the campaign’s own words, on the same scale as a member’s record.
Overall
from 7 statements
Left
Issue · by emphasisLeftCenterRightReadTalks about
Odds over time · Kalshi daily closes
Rounds (R) — 95%Bengs (I) — 5%
The race · South Dakota Senate · 7 days out
Mike RoundsRepublican · incumbent · Rt-lean 18 on the record95%Brian BengsIndependent · challenger · Left 27 from statements5%1827
45 points apart · hollow = estimate, solid = record
Money · FEC through Sep 30, 2026
$1.7M
Raised
$1.6M
From individuals
Named donors · gifts over $200
$819k
Itemized · 50% of individual
1,207
Named donors
24%
Itemized from South Dakota
By occupation
$321k
$145k
$35k
$18k
$17k
By state
$192k
$97k
$52k
$50k
$41k
The FEC doesn't name donors who give under $200, so their gifts count in Raised but not Itemized.
In their own words
“we need to HALT the construction of data centers now.”
“imagine what would be discovered if Washington did its job and conducted oversight of AI companies.”
“senators betrayed the American people by voting to hand over public lands to a foreign mining company.”
On the ballot with them · South Dakota, Nov 3, 2026
SD Governor
Larry Rhoden (R) · 96%
vs. Dan Ahlers (D) · 2%
SD-AL · open seat
Marty Jackley (R) · 96%
vs. Nikki Gronli (D) · 4%
Statement estimate · odds are a market close, not a poll
Brian Bengs
Candidate · U.S. Senate · South Dakota
Independent · Challenger5%
To win · Kalshi
▼ 3 pts since August
7
Days to Nov 3
vs. Rounds (R), inc.
Where They Stand
EstimateNo votes yet, so this is read from the campaign’s own words.
Issue · by emphasisRead · talks about
Energy and landLeft 36
Left, 36 points from center
Housing and techLeft 43
Left, 43 points from center
Budget and taxesLeft 28
Left, 28 points from center
Crime and justiceL·Cntr 5
L·Cntr, 5 points from center
Health careLeans left
Leans left
Foreign policyMixed
Mixed
Business and laborRight 30
Right, 30 points from center
ImmigrationMixed
Mixed
Civil rightsL-lean 13
L-lean, 13 points from center
GunsL-lean 13
L-lean, 13 points from center
Odds over time · Kalshi
Rounds 95%Bengs 5%
The race · SD Senate · 7 days out
Mike RoundsRepublican · incumbent · Rt-lean 18 on the record95%Brian BengsIndependent · challenger · Left 27 from statements5%1827
Hollow = estimate from statements · solid = voting record
Money · FEC through Sep 30, 2026
Raised, 2026
From individuals
Itemized · 50% of individual
Named donors
The FEC doesn't name donors who give under $200, so their gifts count in Raised but not Itemized.
In their own words
“we need to HALT the construction of data centers now.”
“imagine what would be discovered if Washington did its job and conducted oversight of AI companies.”
“senators betrayed the American people by voting to hand over public lands to a foreign mining company.”
On the ballot with them · South Dakota
Statement estimate · odds are a market close, not a poll