KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
At least 50% 77.5%Leader of 9 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
27 / 100
Low quality24h Volume
—
Liquidity
$800
Low liquiditySpread
10.0 pt
Wide spreadMarket data
Updated 5 minutes ago
Sep 11, 26, 2:00 PM UTCNov 3, 27, 2:00 PM UTC
Trends
0%
0%
0%
0%
0%
0%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
TX-36 House election: Rhonda Hart vote percent
KalshiCA-41 House election: Linda Sánchez vote percent
KalshiIA-03 House election: Sarah Trone Garriott vote percent
KalshiIN-01 House election: Barb Regnitz vote percent
KalshiNV-02 House election: Teresa Benitez-Thompson vote percent
KalshiMI-03 House election: Terri DeBoer vote percent
KalshiRules
If the certified percentage of the popular vote received by Brian Mast in the 2026 FL-21 House election is 50% to 100%, inclusive of both endpoints, then the market resolves to Yes.
- The percentage is calculated as (total votes received by Brian Mast ÷ total valid votes cast) × 100, rounded to two decimal places.
- Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results.
- Write-in votes are included if they appear in certified results.
- Invalid, spoiled, or rejected ballots are excluded from both numerator and denominator.
- If the certified percentage of the popular vote received by Brian Mast in the 2026 FL-21 House election is 52% to 100%, inclusive of both endpoints, then the market resolves to Yes.
Open markets
Politics
POLYMARKETClarity Act (H.R.3633) signed into law in 2026?
- No-6.0pt72%
- Yes+6.0pt28%
- Total Vol
- $16.2M
- 24h Vol
- $926.2K
KALSHI2028 Democratic presidential nominee
- Jon Ossoff17%
- Alexandria Ocasio-Cortez16%
- Gavin Newsom12%
+45 more outcomes
- Total Vol
- $217M
- 24h Vol
- $680.3K
KALSHIWhat will Trump say this week?
- Bibi / Netanyahu+78.0pt99%
- Ukraine+26.0pt99%
- Kamala99%
+31 more outcomes
- Total Vol
- $982.9K
POLYMARKETPutin out as President of Russia by which date?
- June 30, 2027-1.0pt13%
- December7%
- September 30,-0.2pt1%
+2 more outcomes
- Total Vol
KALSHIWill the Clarity Act become law?
- Before Oct 1, 2027+31.0pt74%
- Before Jul 1, 2027+39.0pt70%
- Before Jan 1, 2028+12.0pt60%
+7 more outcomes
POLYMARKETPresidential Election Winner 2028
- JD Vance+0.4pt24%
- Alexandria Ocasio-Cortez13%
- Jon Ossoff12%
+49 more outcomes
- Total Vol
- $705.5M
- Which party will gain most seats in Russian Parliamentary Election?
- 2026 Midterms: Congress Balance of Power?
- Republican Presidential Nominee 2028
- Democratic Presidential Nominee 2028
- Next French Presidential Election
- Balance of Power: 2026 Midterms
- Texas Senate winner?
- Brazil Presidential Election
- US announces end of Iranian blockade by which date?
- 2028 Republican presidential nominee
- Texas Senate Election Winner
Frequently asked questions
- What are the current odds for FL-21 House election: Brian Mast vote percent?
- Kalshi prices At least 50% at 77% as of September 14, 2026.
- When does FL-21 House election: Brian Mast vote percent resolve?
- FL-21 House election: Brian Mast vote percent is scheduled to resolve on November 3, 2027.
- How is FL-21 House election: Brian Mast vote percent settled?
- Kalshi settles this market as follows: If the certified percentage of the popular vote received by Brian Mast in the 2026 FL-21 House election is 50% to 100%, inclusive of both endpoints, then the market resolves to Yes.