Outcome Router

The same outcome, routed by executable value

Both sides of every reviewed Polymarket–Kalshi pair, ranked using live order-book depth and estimated taker fees. Similar titles never enter this board.

Reviewed pairs
22
Executable sides
42
Families
3
Budget each
$100
Buy Yes democratic nominee 2028 rules reviewed 2026-08-02

J.B. Pritzker wins and accepts the 2028 Democratic presidential nomination

Polymarket is 55.09% lower all-in and returns 4416.52 more payout units if this side wins.

polymarket
1.25¢
fee $3.80
kalshi
2.78¢
fee $6.39
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Mark Kelly wins and accepts the 2028 Democratic presidential nomination

Polymarket is 52.06% lower all-in and returns 1670.83 more payout units if this side wins.

polymarket
3.12¢
fee $3.74
kalshi
6.50¢
fee $6.17
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Tom Cotton wins and accepts the 2028 Republican presidential nomination

Polymarket is 48.26% lower all-in and returns 21797.61 more payout units if this side wins.

polymarket
0.22¢
fee $3.84
kalshi
0.43¢
fee $6.52
Buy Yes democratic nominee 2028 rules reviewed 2026-08-02

Wes Moore wins and accepts the 2028 Democratic presidential nomination

Polymarket is 45.51% lower all-in and returns 3127.83 more payout units if this side wins.

polymarket
1.46¢
fee $3.79
kalshi
2.67¢
fee $6.39
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Ron DeSantis wins and accepts the 2028 Republican presidential nomination

Polymarket is 45.08% lower all-in and returns 1400.44 more payout units if this side wins.

polymarket
3.22¢
fee $3.73
kalshi
5.86¢
fee $6.21
Buy Yes democratic nominee 2028 rules reviewed 2026-08-02

Jon Stewart wins and accepts the 2028 Democratic presidential nomination

Kalshi is 41.84% lower all-in and returns 3010.70 more payout units if this side wins.

polymarket
2.39¢
fee $3.76
kalshi
1.39¢
fee $6.46
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Elise Stefanik wins and accepts the 2028 Republican presidential nomination

Kalshi is 38.28% lower all-in and returns 11923.53 more payout units if this side wins.

polymarket
0.52¢
fee $3.83
kalshi
0.32¢
fee $6.53
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Andy Beshear wins and accepts the 2028 Democratic presidential nomination

Polymarket is 29.71% lower all-in and returns 1099.93 more payout units if this side wins.

polymarket
2.70¢
fee $3.75
kalshi
3.84¢
fee $6.33
Buy Yes f1 2026 champion rules reviewed 2026-08-01

Lewis Hamilton is the 2026 Formula 1 Drivers' Champion

Polymarket is 17.16% lower all-in and returns 163.51 more payout units if this side wins.

polymarket
10.55¢
fee $4.30
kalshi
12.74¢
fee $5.80
Buy Yes f1 2026 champion rules reviewed 2026-08-02

Lando Norris is the 2026 Formula 1 Drivers' Champion

Polymarket is 15.30% lower all-in and returns 423.61 more payout units if this side wins.

polymarket
3.62¢
fee $4.60
kalshi
4.27¢
fee $6.30
Buy No republican nominee 2028 rules reviewed 2026-08-01

J.D. Vance wins and accepts the 2028 Republican presidential nomination

Polymarket is 12.09% lower all-in and returns 22.51 more payout units if this side wins.

polymarket
55.09¢
fee $1.80
kalshi
62.67¢
fee $2.65
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Kamala Harris wins and accepts the 2028 Democratic presidential nomination

Polymarket is 11.76% lower all-in and returns 132.78 more payout units if this side wins.

polymarket
8.91¢
fee $3.53
kalshi
10.10¢
fee $5.96
Buy Yes f1 2026 champion rules reviewed 2026-08-02

Charles Leclerc is the 2026 Formula 1 Drivers' Champion

Kalshi is 11.41% lower all-in and returns 272.06 more payout units if this side wins.

polymarket
3.18¢
fee $4.62
kalshi
2.81¢
fee $6.15
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

J.D. Vance wins and accepts the 2028 Republican presidential nomination

Kalshi is 11.30% lower all-in and returns 26.21 more payout units if this side wins.

polymarket
46.99¢
fee $2.11
kalshi
41.68¢
fee $4.02
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Pete Buttigieg wins and accepts the 2028 Democratic presidential nomination

Polymarket is 9.73% lower all-in and returns 184.08 more payout units if this side wins.

polymarket
5.29¢
fee $3.66
kalshi
5.86¢
fee $6.21
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Gavin Newsom wins and accepts the 2028 Democratic presidential nomination

Kalshi is 9.24% lower all-in and returns 50.47 more payout units if this side wins.

polymarket
19.82¢
fee $3.13
kalshi
17.99¢
fee $5.49
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Marco Rubio wins and accepts the 2028 Republican presidential nomination

Polymarket is 9.11% lower all-in and returns 32.62 more payout units if this side wins.

polymarket
28.60¢
fee $2.81
kalshi
31.47¢
fee $4.66
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Sarah Huckabee Sanders wins and accepts the 2028 Republican presidential nomination

Polymarket is 6.57% lower all-in and returns 1055.34 more payout units if this side wins.

polymarket
0.62¢
fee $3.82
kalshi
0.67¢
fee $6.51
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Josh Shapiro wins and accepts the 2028 Democratic presidential nomination

Kalshi is 5.61% lower all-in and returns 115.97 more payout units if this side wins.

polymarket
5.09¢
fee $3.66
kalshi
4.80¢
fee $6.27
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Jon Ossoff wins and accepts the 2028 Democratic presidential nomination

Polymarket is 4.35% lower all-in and returns 28.83 more payout units if this side wins.

polymarket
15.20¢
fee $3.30
kalshi
15.89¢
fee $5.62
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Gavin Newsom wins and accepts the 2028 Democratic presidential nomination

Polymarket is 4.04% lower all-in and returns 5.67 more payout units if this side wins.

polymarket
81.52¢
fee $0.76
kalshi
84.95¢
fee $1.11
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Mark Kelly wins and accepts the 2028 Democratic presidential nomination

Kalshi is 2.89% lower all-in and returns 2.13 more payout units if this side wins.

polymarket
97.21¢
fee $0.12
kalshi
94.40¢
fee $0.42
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

John Thune wins and accepts the 2028 Republican presidential nomination

Polymarket is 2.80% lower all-in and returns 1345.62 more payout units if this side wins.

polymarket
0.21¢
fee $3.84
kalshi
0.21¢
fee $6.53
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Alexandria Ocasio-Cortez wins and accepts the 2028 Democratic presidential nomination

Kalshi is 2.35% lower all-in and returns 15.17 more payout units if this side wins.

polymarket
15.20¢
fee $3.30
kalshi
14.84¢
fee $5.68
Buy No republican nominee 2028 rules reviewed 2026-08-01

Ron DeSantis wins and accepts the 2028 Republican presidential nomination

Kalshi is 2.22% lower all-in and returns 2.03 more payout units if this side wins.

polymarket
97.12¢
fee $0.12
kalshi
94.96¢
fee $0.38
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Alexandria Ocasio-Cortez wins and accepts the 2028 Democratic presidential nomination

Polymarket is 2.16% lower all-in and returns 3.42 more payout units if this side wins.

polymarket
85.90¢
fee $0.58
kalshi
87.80¢
fee $0.90
Buy No f1 2026 champion rules reviewed 2026-08-02

Charles Leclerc is the 2026 Formula 1 Drivers' Champion

Polymarket is 1.75% lower all-in and returns 2.74 more payout units if this side wins.

polymarket
97.34¢
fee $0.14
kalshi
99.07¢
fee $0.07
Buy No democratic nominee 2028 rules reviewed 2026-08-02

J.B. Pritzker wins and accepts the 2028 Democratic presidential nomination

Kalshi is 1.28% lower all-in and returns 0.93 more payout units if this side wins.

polymarket
98.94¢
fee $0.04
kalshi
97.68¢
fee $0.18
Buy No democratic nominee 2028 rules reviewed 2026-08-02

Jon Stewart wins and accepts the 2028 Democratic presidential nomination

Polymarket is 1.11% lower all-in and returns 1.16 more payout units if this side wins.

polymarket
97.89¢
fee $0.09
kalshi
98.98¢
fee $0.08
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Jon Ossoff wins and accepts the 2028 Democratic presidential nomination

Polymarket is 1.09% lower all-in and returns 1.42 more payout units if this side wins.

polymarket
85.90¢
fee $0.58
kalshi
86.84¢
fee $0.97
Buy No democratic nominee 2028 rules reviewed 2026-08-02

Wes Moore wins and accepts the 2028 Democratic presidential nomination

Kalshi is 1.00% lower all-in and returns 0.74 more payout units if this side wins.

polymarket
98.75¢
fee $0.05
kalshi
97.76¢
fee $0.17
Buy No republican nominee 2028 rules reviewed 2026-08-01

Marco Rubio wins and accepts the 2028 Republican presidential nomination

Kalshi is 0.90% lower all-in and returns 1.20 more payout units if this side wins.

polymarket
73.10¢
fee $1.10
kalshi
72.44¢
fee $1.99
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Andy Beshear wins and accepts the 2028 Democratic presidential nomination

Kalshi is 0.88% lower all-in and returns 0.54 more payout units if this side wins.

polymarket
97.60¢
fee $0.10
kalshi
96.74¢
fee $0.24
Buy No f1 2026 champion rules reviewed 2026-08-01

Lewis Hamilton is the 2026 Formula 1 Drivers' Champion

Kalshi is 0.84% lower all-in and returns 0.44 more payout units if this side wins.

polymarket
90.45¢
fee $0.50
kalshi
89.69¢
fee $0.77
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Kamala Harris wins and accepts the 2028 Democratic presidential nomination

Kalshi is 0.66% lower all-in and returns 0.08 more payout units if this side wins.

polymarket
91.81¢
fee $0.34
kalshi
91.20¢
fee $0.66
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Josh Shapiro wins and accepts the 2028 Democratic presidential nomination

Polymarket is 0.54% lower all-in and returns 0.84 more payout units if this side wins.

polymarket
95.38¢
fee $0.19
kalshi
95.90¢
fee $0.32
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Pete Buttigieg wins and accepts the 2028 Democratic presidential nomination

Kalshi is 0.24% lower all-in and returns -0.05 more payout units if this side wins.

polymarket
95.19¢
fee $0.20
kalshi
94.96¢
fee $0.38
Buy No republican nominee 2028 rules reviewed 2026-08-01

Elise Stefanik wins and accepts the 2028 Republican presidential nomination

Polymarket is 0.20% lower all-in and returns 0.39 more payout units if this side wins.

polymarket
99.62¢
fee $0.02
kalshi
99.82¢
fee $0.02
Buy No republican nominee 2028 rules reviewed 2026-08-01

Tom Cotton wins and accepts the 2028 Republican presidential nomination

Kalshi is 0.17% lower all-in and returns -0.10 more payout units if this side wins.

polymarket
99.90¢
fee $0.00
kalshi
99.73¢
fee $0.03
Buy No f1 2026 champion rules reviewed 2026-08-02

Lando Norris is the 2026 Formula 1 Drivers' Champion

Polymarket is 0.16% lower all-in and returns 1.04 more payout units if this side wins.

polymarket
97.05¢
fee $0.15
kalshi
97.21¢
fee $0.21
Buy No republican nominee 2028 rules reviewed 2026-08-01

Sarah Huckabee Sanders wins and accepts the 2028 Republican presidential nomination

Polymarket is 0.11% lower all-in and returns 0.48 more payout units if this side wins.

polymarket
99.52¢
fee $0.02
kalshi
99.63¢
fee $0.03
Buy No republican nominee 2028 rules reviewed 2026-08-01

John Thune wins and accepts the 2028 Republican presidential nomination

Polymarket is 0.01% lower all-in and returns 0.10 more payout units if this side wins.

polymarket
99.90¢
fee $0.00
kalshi
99.91¢
fee $0.01

2 reviewed sides unavailable at this size.

Read-only snapshots can move before execution. Fees use current public venue schedules and conservative Kalshi rounding; the venue order preview remains authoritative. Eligibility and legality depend on jurisdiction. Outbound links may carry referral tracking. JSON API

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