Trader consensus heavily favors Rep. Julia Letlow as the Republican Senate primary winner on May 16, driven by her endorsements from President Trump and Gov. Jeff Landry, which have solidified her position among the GOP base in Louisiana's closed primary despite a tight Emerson College poll released this week showing State Treasurer John Fleming at 28%, Letlow at 27%, and incumbent Sen. Bill Cassidy trailing at 21%. Cassidy's third-place odds reflect persistent backlash over his 2021 vote to convict Trump in the second impeachment trial, compounded by his recent criticism of Landry's decision to proceed with the Senate contest amid a Supreme Court redistricting ruling that suspended House primaries. Early voting starts imminently, heightening focus on turnout among Trump-aligned voters.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedJulia Letlow 69%
John Fleming 29.7%
Bill Cassidy 2.9%
Tracy Dendy <1%
$245,226 Vol.
$245,226 Vol.
Julia Letlow
69%
John Fleming
30%
Bill Cassidy
3%
Tracy Dendy
<1%
Julie Emerson
<1%
Blake Miguez
<1%
Kathy Seiden
<1%
Eric Skrmetta
<1%
Samuel “Sammy” Wyatt
<1%
Randall Arrington
<1%
Chris Holder
<1%
Xan John
<1%
Julia Letlow 69%
John Fleming 29.7%
Bill Cassidy 2.9%
Tracy Dendy <1%
$245,226 Vol.
$245,226 Vol.
Julia Letlow
69%
John Fleming
30%
Bill Cassidy
3%
Tracy Dendy
<1%
Julie Emerson
<1%
Blake Miguez
<1%
Kathy Seiden
<1%
Eric Skrmetta
<1%
Samuel “Sammy” Wyatt
<1%
Randall Arrington
<1%
Chris Holder
<1%
Xan John
<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...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.
Resolver
0x2F5e3684c...Trader consensus heavily favors Rep. Julia Letlow as the Republican Senate primary winner on May 16, driven by her endorsements from President Trump and Gov. Jeff Landry, which have solidified her position among the GOP base in Louisiana's closed primary despite a tight Emerson College poll released this week showing State Treasurer John Fleming at 28%, Letlow at 27%, and incumbent Sen. Bill Cassidy trailing at 21%. Cassidy's third-place odds reflect persistent backlash over his 2021 vote to convict Trump in the second impeachment trial, compounded by his recent criticism of Landry's decision to proceed with the Senate contest amid a Supreme Court redistricting ruling that suspended House primaries. Early voting starts imminently, heightening focus on turnout among Trump-aligned voters.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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