Market comparison
Jacquet vs Nakashima
2 venues · 18 outcome rows · 1 comparable lines · event identity linked · 0 verified parity · active
Kalshi
Open venue ↗2 outcomes · $93K reported volume
Observed 30s ago
Recorded venue end date: Nov 5, 2026
Polymarket
Open venue ↗17 outcomes · $22K reported volume
Observed 30s ago
Recorded venue end date: Oct 29, 2026
Known rule differences between venues
- Postponement: Kalshi resolves to a fair price if the game does not start within 48 hours of the scheduled time (tennis: not finished within two weeks); Polymarket stays open until the game is played and resolves 50-50 only if it is cancelled with no make-up (UFC/tennis: ~14 days).
- Ties and draws in two-way sports (NFL, college football, UFC no-contest): both venues pay 50/50.
- Soccer: both settle on 90 minutes plus stoppage time; extra time and penalties excluded.
- Tennis: Kalshi requires a ball to be played and pays the winner; Polymarket pays the player who advances, including on retirement. A pre-match walkover is a fair price on Kalshi, 50-50 on Polymarket.
- UFC: Kalshi ignores result changes after expiry; Polymarket follows the official UFC result.
- Polymarket two-way moneylines are one contract priced on the first-named side; the other side is its complement (recorded as a derived relation, not a link).
A shared identity alone does not make a price difference executable.
| Outcome | Kalshi | Polymarket | Difference |
|---|---|---|---|
Jacquet Partial parityPayoffs match in ordinary outcomes; see the rule differences above. | 1.5 pp | ||
Brandon Nakashima Not alignedNo persisted outcome identity connects these venue contracts. | — | — | |
Completed Match Not alignedNo persisted outcome identity connects these venue contracts. | — | — | |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 100.0% Bid 99.9% · Ask 100.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 1 O/U 8.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 99.6% Bid 99.1% · Ask 100.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 1 O/U 9.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 68.5% Bid 63.0% · Ask 74.0% Set Handicap: Brandon Nakashima (-1.5) vs Kyrian Jacquet (+1.5) Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid 54.0% · Ask 100.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 22.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid — · Ask 100.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 2 O/U 9.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid — · Ask 100.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 2 O/U 10.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid — · Ask 100.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 2 O/U 8.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid 1.0% · Ask 100.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Game Spread +/-1.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 48.5% Bid 44.0% · Ask 53.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 35.0% Bid 28.0% · Ask 42.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 23.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 34.5% Bid 32.0% · Ask 37.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 2 Winner Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 31.5% Bid 22.0% · Ask 41.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Total Sets: O/U 2.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 0.5% Bid 32.0% · Ask 1.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 1 Winner Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 0.5% Bid 36.0% · Ask 1.0% Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 1 O/U 10.5 Open Polymarket ↗ | — |
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 0.4% Bid 0.1% · Ask 0.9% Set Handicap: Kyrian Jacquet (-1.5) vs Brandon Nakashima (+1.5) Open Polymarket ↗ | — |
Jacquet
Partial parityPayoffs match in ordinary outcomes; see the rule differences above.
Kalshi
Polymarket
Price difference 1.5 pp
Brandon Nakashima
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
Polymarket
—
Completed Match
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
100.0%
Bid 99.9% · Ask 100.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 1 O/U 8.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
99.6%
Bid 99.1% · Ask 100.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 1 O/U 9.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
68.5%
Bid 63.0% · Ask 74.0%
Set Handicap: Brandon Nakashima (-1.5) vs Kyrian Jacquet (+1.5)
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid 54.0% · Ask 100.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 22.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid — · Ask 100.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 2 O/U 9.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid — · Ask 100.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 2 O/U 10.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid — · Ask 100.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 2 O/U 8.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid 1.0% · Ask 100.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Game Spread +/-1.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
48.5%
Bid 44.0% · Ask 53.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
35.0%
Bid 28.0% · Ask 42.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 23.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
34.5%
Bid 32.0% · Ask 37.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 2 Winner
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
31.5%
Bid 22.0% · Ask 41.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Total Sets: O/U 2.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
0.5%
Bid 32.0% · Ask 1.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 1 Winner
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
0.5%
Bid 36.0% · Ask 1.0%
Lyon Open: Kyrian Jacquet vs Brandon Nakashima Set 1 O/U 10.5
Open Polymarket ↗Lyon Open: Kyrian Jacquet vs Brandon Nakashima Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
0.4%
Bid 0.1% · Ask 0.9%
Set Handicap: Kyrian Jacquet (-1.5) vs Brandon Nakashima (+1.5)
Open Polymarket ↗Prices are shown as percentages of a $1 payout. “pp” means percentage points. A dash means data is unavailable.