Catalina Lauf leads the Polymarket odds in the crowded August 18, 2026, Republican primary for Florida’s open 19th congressional district after incumbent Byron Donalds entered the gubernatorial race. Her 52% share reflects trader emphasis on her local residency in Bonita Springs, small-dollar fundraising momentum exceeding $400,000 in early quarters, and background as a former Trump administration official. Jim Oberweis sits second at 17.7% on the strength of substantial self-funding that has produced the highest total receipts, though much derives from personal loans. Jim Schwartzel’s 11.3% position tracks his sizable cash-on-hand from prior business success. Lower probabilities for Madison Cawthorn and others align with their more limited recent in-district organization following the June qualification deadline. Traders are pricing the fragmented field ahead of the primary.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCatalina Lauf 52%
Jim Oberweis 13.2%
Jim Schwartzel 11.3%
Madison Cawthorn 5.8%
$25,238 Vol.
$25,238 Vol.
Catalina Lauf
52%
Jim Oberweis
18%
Jim Schwartzel
11%
Madison Cawthorn
6%
Bob Rommel
4%
Spencer Roach
2%
Catalina Lauf 52%
Jim Oberweis 13.2%
Jim Schwartzel 11.3%
Madison Cawthorn 5.8%
$25,238 Vol.
$25,238 Vol.
Catalina Lauf
52%
Jim Oberweis
18%
Jim Schwartzel
11%
Madison Cawthorn
6%
Bob Rommel
4%
Spencer Roach
2%
If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/.
Any replacement of the nominee before election day will not change the resolution of the market.
Market Opened: Nov 25, 2025, 6:46 PM ET
Resolver
0x2F5e3684c...If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/.
Any replacement of the nominee before election day will not change the resolution of the market.
Resolver
0x2F5e3684c...Catalina Lauf leads the Polymarket odds in the crowded August 18, 2026, Republican primary for Florida’s open 19th congressional district after incumbent Byron Donalds entered the gubernatorial race. Her 52% share reflects trader emphasis on her local residency in Bonita Springs, small-dollar fundraising momentum exceeding $400,000 in early quarters, and background as a former Trump administration official. Jim Oberweis sits second at 17.7% on the strength of substantial self-funding that has produced the highest total receipts, though much derives from personal loans. Jim Schwartzel’s 11.3% position tracks his sizable cash-on-hand from prior business success. Lower probabilities for Madison Cawthorn and others align with their more limited recent in-district organization following the June qualification deadline. Traders are pricing the fragmented field ahead of the primary.
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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