Elections Intelligence

Florida 21st District

DEFENDED SEAT
LIKELY R
James T. Martin Democratic · Challenger
KALSHI PARTY MARKETCHECKED Aug 27
10¢REPUBLICAN 94.3¢
View market on Kalshi ↗
Brian J. Mast Republican · Incumbent
Also on the ballot: Alexander Cooke (I) and David Fabrikant (other).
FTP RACE SIGNAL

The market prices this seat about where its history left it — a 24-point Republican hold in 2024, priced at 94.3¢ today.

Likely R
SAFE DLIKELY DLEAN DTOSS-UPLEAN RLIKELY RSAFE R
Prior result · Likely RR+23.65 in 2024. Market · Likely RR 94.3¢ — traders' price for a Republican hold.
Signal clarityMediumas of 2026-08-27
The market moved 2¢ toward the Republican in the last 7 days.
MARKET BandPRICEToss-up50–65¢Lean65–82¢Likely82–95¢Safe95¢ and above
R 94.3¢

Kalshi party market · checked Aug 27

View market on Kalshi ↗
POLLING BandPOINTSToss-up0–5Lean5–10Likely10–20Safe20 and above

No qualifying general-election poll has been retrieved for this race.

PRIOR RESULT BandPOINTSToss-up0–5Lean5–12Likely12–25Safe25 and above
R+23.65

Brian Mast (R)

61.82 — 38.17 · 2024 general election

def. Thomas Witkop (D). Margin verified against retrieved official results.

FUNDRAISING BandRATIO TO 1Parity1–5Lean5 and above
Brian J. Mast$4.31M

PULLED 08-24 · PERIOD 07-29 · FEC

Total receipts this cycle.

BALLOT & DATES Primary 08-18 · HELDGeneral Nov 3, 2026 R settled · D settled · I settled · other settled COMPARE THE CANDIDATES ⇄