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
17
Executable sides
33
Families
3
Budget each
$100
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Mark Kelly wins and accepts the 2028 Democratic presidential nomination

Polymarket is 55.92% lower all-in and returns 1860.52 more payout units if this side wins.

polymarket
3.01¢
fee $3.74
kalshi
6.82¢
fee $6.16
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Ron DeSantis wins and accepts the 2028 Republican presidential nomination

Polymarket is 44.08% lower all-in and returns 3047.44 more payout units if this side wins.

polymarket
3.22¢
fee $3.73
kalshi
5.76¢
fee $0.21
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Tom Cotton wins and accepts the 2028 Republican presidential nomination

Polymarket is 42.14% lower all-in and returns 17014.24 more payout units if this side wins.

polymarket
0.25¢
fee $3.84
kalshi
0.43¢
fee $6.52
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 27.71% lower all-in and returns 1787.93 more payout units if this side wins.

polymarket
2.70¢
fee $3.75
kalshi
3.74¢
fee $4.53
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Tulsi Gabbard wins and accepts the 2028 Republican presidential nomination

Polymarket is 18.99% lower all-in and returns 3652.47 more payout units if this side wins.

polymarket
0.52¢
fee $3.83
kalshi
0.64¢
fee $6.51
Buy Yes republican nominee 2028 rules reviewed 2026-08-01

Sarah Huckabee Sanders wins and accepts the 2028 Republican presidential nomination

Polymarket is 16.67% lower all-in and returns 2672.34 more payout units if this side wins.

polymarket
0.62¢
fee $3.82
kalshi
0.75¢
fee $6.50
Buy Yes f1 2026 champion rules reviewed 2026-08-01

Lewis Hamilton is the 2026 Formula 1 Drivers' Champion

Polymarket is 14.73% lower all-in and returns 136.54 more payout units if this side wins.

polymarket
10.86¢
fee $4.29
kalshi
12.74¢
fee $5.80
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Jon Ossoff wins and accepts the 2028 Democratic presidential nomination

Polymarket is 10.18% lower all-in and returns 71.48 more payout units if this side wins.

polymarket
14.28¢
fee $3.33
kalshi
15.89¢
fee $5.62
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Kamala Harris wins and accepts the 2028 Democratic presidential nomination

Polymarket is 10.04% lower all-in and returns 1110.78 more payout units if this side wins.

polymarket
8.91¢
fee $3.53
kalshi
9.91¢
fee $0.07
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 democratic nominee 2028 rules reviewed 2026-08-01

Pete Buttigieg wins and accepts the 2028 Democratic presidential nomination

Polymarket is 7.96% lower all-in and returns 426.82 more payout units if this side wins.

polymarket
5.40¢
fee $3.65
kalshi
5.86¢
fee $5.19
Buy No republican nominee 2028 rules reviewed 2026-08-01

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

Polymarket is 7.32% lower all-in and returns 13.18 more payout units if this side wins.

polymarket
58.08¢
fee $1.69
kalshi
62.67¢
fee $2.65
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 republican nominee 2028 rules reviewed 2026-08-01

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

Kalshi is 5.23% lower all-in and returns 11.63 more payout units if this side wins.

polymarket
43.98¢
fee $2.23
kalshi
41.68¢
fee $4.02
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

Gavin Newsom wins and accepts the 2028 Democratic presidential nomination

Kalshi is 4.46% lower all-in and returns 23.07 more payout units if this side wins.

polymarket
19.92¢
fee $3.13
kalshi
19.03¢
fee $5.43
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Mark Kelly wins and accepts the 2028 Democratic presidential nomination

Kalshi is 3.37% lower all-in and returns 3.34 more payout units if this side wins.

polymarket
97.41¢
fee $0.11
kalshi
94.12¢
fee $0.45
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Gavin Newsom wins and accepts the 2028 Democratic presidential nomination

Polymarket is 3.07% lower all-in and returns 54.82 more payout units if this side wins.

polymarket
81.42¢
fee $0.76
kalshi
84.00¢
fee $0.68
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 No democratic nominee 2028 rules reviewed 2026-08-01

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

Polymarket is 1.94% lower all-in and returns 3.15 more payout units if this side wins.

polymarket
86.09¢
fee $0.57
kalshi
87.80¢
fee $0.90
Buy Yes democratic nominee 2028 rules reviewed 2026-08-01

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

Kalshi is 0.97% lower all-in and returns -599.85 more payout units if this side wins.

polymarket
15.00¢
fee $3.31
kalshi
14.85¢
fee $0.57
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 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

Andy Beshear wins and accepts the 2028 Democratic presidential nomination

Kalshi is 0.78% lower all-in and returns 0.54 more payout units if this side wins.

polymarket
97.60¢
fee $0.10
kalshi
96.84¢
fee $0.24
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

Kamala Harris wins and accepts the 2028 Democratic presidential nomination

Kalshi is 0.45% lower all-in and returns -103.92 more payout units if this side wins.

polymarket
91.81¢
fee $0.34
kalshi
91.40¢
fee $0.03
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 republican nominee 2028 rules reviewed 2026-08-01

Sarah Huckabee Sanders wins and accepts the 2028 Republican presidential nomination

Polymarket is 0.12% lower all-in and returns 0.48 more payout units if this side wins.

polymarket
99.52¢
fee $0.02
kalshi
99.64¢
fee $0.04
Buy No democratic nominee 2028 rules reviewed 2026-08-01

Jon Ossoff wins and accepts the 2028 Democratic presidential nomination

Polymarket is 0.08% lower all-in and returns 0.24 more payout units if this side wins.

polymarket
86.77¢
fee $0.55
kalshi
86.84¢
fee $0.97
Buy No republican nominee 2028 rules reviewed 2026-08-01

Tulsi Gabbard wins and accepts the 2028 Republican presidential nomination

Kalshi is 0.08% lower all-in and returns -0.39 more payout units if this side wins.

polymarket
99.62¢
fee $0.02
kalshi
99.54¢
fee $0.04
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

1 reviewed side 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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