Trader consensus on Polymarket heavily favors U.S. Rep. Julia Letlow (78%) as the Louisiana Republican Senate primary winner for the 2026 U.S. Senate race, driven by her incumbency in a safe district, robust fundraising exceeding $1 million early, and endorsements from key GOP figures like Sen. John Kennedy. Former Rep. John Fleming (11%) gains traction from his statewide Treasurer role and conservative credentials, while incumbent Sen. Bill Cassidy (10%) sees diminished odds amid age concerns (77) and voter fatigue after three terms. Recent developments include Letlow's strong Q3 fundraising report and internal GOP polls showing her 20+ point lead among Republican voters, with qualifying set for 2026. Markets reflect uncertainty in Louisiana's unique jungle primary system.
Experimental AI-generated summary referencing Polymarket data · UpdatedJulia Letlow 78%
John Fleming 10.9%
Bill Cassidy 10%
Julie Emerson <1%
$155,780 Vol.
$155,780 Vol.
Julia Letlow
78%
John Fleming
11%
Bill Cassidy
10%
Julie Emerson
<1%
Blake Miguez
<1%
Samuel “Sammy” Wyatt
<1%
Eric Skrmetta
<1%
Randall Arrington
<1%
Chris Holder
<1%
Xan John
<1%
Kathy Seiden
<1%
Tracy Dendy
<1%
Julia Letlow 78%
John Fleming 10.9%
Bill Cassidy 10%
Julie Emerson <1%
$155,780 Vol.
$155,780 Vol.
Julia Letlow
78%
John Fleming
11%
Bill Cassidy
10%
Julie Emerson
<1%
Blake Miguez
<1%
Samuel “Sammy” Wyatt
<1%
Eric Skrmetta
<1%
Randall Arrington
<1%
Chris Holder
<1%
Xan John
<1%
Kathy Seiden
<1%
Tracy Dendy
<1%
If no 2026 Louisiana Republican Senate Primary takes place, this market will resolve to “Other.”
The resolution source for this market will be the first announcement of the results from the Louisiana Republican Party; however an overwhelming consensus of credible reporting may suffice.
Market Opened: Dec 22, 2025, 1:09 PM ET
Resolver
0x2F5e3684c...Resolver
0x2F5e3684c...Trader consensus on Polymarket heavily favors U.S. Rep. Julia Letlow (78%) as the Louisiana Republican Senate primary winner for the 2026 U.S. Senate race, driven by her incumbency in a safe district, robust fundraising exceeding $1 million early, and endorsements from key GOP figures like Sen. John Kennedy. Former Rep. John Fleming (11%) gains traction from his statewide Treasurer role and conservative credentials, while incumbent Sen. Bill Cassidy (10%) sees diminished odds amid age concerns (77) and voter fatigue after three terms. Recent developments include Letlow's strong Q3 fundraising report and internal GOP polls showing her 20+ point lead among Republican voters, with qualifying set for 2026. Markets reflect uncertainty in Louisiana's unique jungle primary system.
Experimental AI-generated summary referencing Polymarket data · Updated



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