The Prediction Markets

Market comparison

Pro Basketball Eastern Conference Champion

2 venues · 15 outcome rows · 15 comparable lines · event identity linked · 0 verified parity · active

15 outcomes · $3.3M reported volume

Observed 19s ago

Recorded venue end date: Jun 29, 2029

Polymarket

Open venue ↗

18 outcomes · $250K reported volume

Observed 19s ago

Recorded venue end date: Jul 1, 2027

Check settlement rules before comparing contracts. Matched outcomes may settle differently. These venues also report end dates more than 48 hours apart; event identity does not mean the contracts close or settle together. These are stored prices; record update times do not certify live quotes. Differences exclude fees and available size.

Known rule differences between venues

  • Both settle on the official league/organizer result for the named season; Kalshi's season is the ticker edition (KXNBA-27 = 2026-27) and Polymarket's is stated in the title or slug.
  • Season cancelled or not completed: Kalshi resolves per its rules (typically a fair price); Polymarket resolves to 'Other' or 50-50 depending on the event.
  • Polymarket lists placeholders ('Other', 'Team A') and closes eliminated outcomes early; only live named outcomes are linked.

A shared identity alone does not make a price difference executable.

Atlanta

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

3.0%

Bid 2.0% · Ask 3.0%

Atlanta

Open Kalshi ↗

Polymarket

2.2%

Bid 1.8% · Ask 2.6%

Atlanta Hawks

Open Polymarket ↗

Price difference 0.8 pp

Boston

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

15.0%

Bid 14.0% · Ask 15.0%

Boston

Open Kalshi ↗

Polymarket

13.0%

Bid 12.0% · Ask 14.0%

Boston Celtics

Open Polymarket ↗

Price difference 2.0 pp

Brooklyn

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Brooklyn

Open Kalshi ↗

Polymarket

0.5%

Bid 0.4% · Ask 0.7%

Brooklyn Nets

Open Polymarket ↗

Price difference 0.5 pp

Charlotte

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

2.0%

Bid 1.0% · Ask 2.0%

Charlotte

Open Kalshi ↗

Polymarket

1.4%

Bid 1.3% · Ask 1.5%

Charlotte Hornets

Open Polymarket ↗

Price difference 0.6 pp

Chicago

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Chicago

Open Kalshi ↗

Polymarket

0.7%

Bid 0.5% · Ask 0.8%

Chicago Bulls

Open Polymarket ↗

Price difference 0.4 pp

Cleveland

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

7.0%

Bid 6.0% · Ask 7.0%

Cleveland

Open Kalshi ↗

Polymarket

6.6%

Bid 6.3% · Ask 6.8%

Cleveland Cavaliers

Open Polymarket ↗

Price difference 0.5 pp

Detroit

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

7.0%

Bid 6.0% · Ask 7.0%

Detroit

Open Kalshi ↗

Polymarket

8.5%

Bid 8.0% · Ask 9.0%

Detroit Pistons

Open Polymarket ↗

Price difference 1.5 pp

Indiana

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

7.0%

Bid 6.0% · Ask 7.0%

Indiana

Open Kalshi ↗

Polymarket

9.7%

Bid 9.0% · Ask 10.3%

Indiana Pacers

Open Polymarket ↗

Price difference 2.6 pp

Miami

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

11.0%

Bid 10.0% · Ask 11.0%

Miami

Open Kalshi ↗

Polymarket

9.5%

Bid 8.0% · Ask 11.0%

Miami Heat

Open Polymarket ↗

Price difference 1.5 pp

Milwaukee

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Milwaukee

Open Kalshi ↗

Polymarket

0.5%

Bid 0.4% · Ask 0.7%

Milwaukee Bucks

Open Polymarket ↗

Price difference 0.5 pp

New York

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

19.0%

Bid 19.0% · Ask 20.0%

New York

Open Kalshi ↗

Polymarket

16.5%

Bid 16.0% · Ask 17.0%

New York Knicks

Open Polymarket ↗

Price difference 2.5 pp

Orlando

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

3.0%

Bid 2.0% · Ask 3.0%

Orlando

Open Kalshi ↗

Polymarket

2.1%

Bid 2.0% · Ask 2.3%

Orlando Magic

Open Polymarket ↗

Price difference 0.9 pp

Philadelphia

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

22.0%

Bid 21.0% · Ask 22.0%

Philadelphia

Open Kalshi ↗

Polymarket

19.6%

Bid 19.0% · Ask 20.1%

Philadelphia 76ers

Open Polymarket ↗

Price difference 2.4 pp

Toronto

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

10.0%

Bid 9.0% · Ask 10.0%

Toronto

Open Kalshi ↗

Polymarket

9.0%

Bid 8.0% · Ask 10.0%

Toronto Raptors

Open Polymarket ↗

Price difference 1.0 pp

Washington

Partial parity

Payoffs match in ordinary outcomes; see the rule differences above.

Kalshi

3.0%

Bid 2.0% · Ask 3.0%

Washington

Open Kalshi ↗

Polymarket

2.4%

Bid 2.0% · Ask 2.8%

Washington Wizards

Open Polymarket ↗

Price difference 0.6 pp

Prices are shown as percentages of a $1 payout. “pp” means percentage points. A dash means data is unavailable.