The Prediction Markets

Market comparison

#2 Spotify Artist in October?

2 venues · 27 outcome rows · 7 comparable lines · 0 verified parity · active

Polymarket

Open venue ↗

20 outcomes · $49K reported volume

Observed 14s ago

Recorded venue end date: Oct 31, 2026

34 outcomes · $103K reported volume

Observed 14s ago

Observed 14s ago

Observed 14s ago

Recorded venue end date: Dec 31, 2026

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.

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

Bad Bunny

Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Polymarket

0.1%

Bid — · Ask 0.1%

Bad Bunny

Open Polymarket ↗

Kalshi

3.0%

Bid 0.0% · Ask 3.0%

Bad Bunny

Open Kalshi ↗

4.0%

Bid 1.0% · Ask 4.0%

Bad Bunny

Open Kalshi ↗

3.0%

Bid 1.0% · Ask 3.0%

Bad Bunny

Open Kalshi ↗

Bruno Mars

Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Polymarket

0.5%

Bid — · Ask 1.1%

Bruno Mars

Open Polymarket ↗

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Bruno Mars

Open Kalshi ↗

3.0%

Bid 0.0% · Ask 3.0%

Bruno Mars

Open Kalshi ↗

1.0%

Bid 1.0% · Ask 3.0%

Bruno Mars

Open Kalshi ↗

Drake

Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Polymarket

0.1%

Bid — · Ask 0.1%

Drake

Open Polymarket ↗

Kalshi

79.0%

Bid 78.0% · Ask 79.0%

Drake

Open Kalshi ↗

14.0%

Bid 12.0% · Ask 14.0%

Drake

Open Kalshi ↗

12.0%

Bid 12.0% · Ask 16.0%

Drake

Open Kalshi ↗

Justin Bieber

Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Polymarket

0.2%

Bid — · Ask 0.4%

Justin Bieber

Open Polymarket ↗

Kalshi

2.0%

Bid 1.0% · Ask 2.0%

Justin Bieber

Open Kalshi ↗

Price difference 1.8 pp

Michael Jackson

Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Polymarket

0.1%

Bid — · Ask 0.1%

Michael Jackson

Open Polymarket ↗

Kalshi

1.0%

Bid 0.0% · Ask 2.0%

Michael Jackson

Open Kalshi ↗

1.0%

Bid 1.0% · Ask 2.0%

Michael Jackson

Open Kalshi ↗

Taylor Swift

Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Polymarket

0.1%

Bid — · Ask 0.1%

Taylor Swift

Open Polymarket ↗

Kalshi

17.0%

Bid 17.0% · Ask 19.0%

Taylor Swift

Open Kalshi ↗

77.0%

Bid 77.0% · Ask 78.0%

Taylor Swift

Open Kalshi ↗

73.0%

Bid 73.0% · Ask 85.0%

Taylor Swift

Open Kalshi ↗

The Weeknd

Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Polymarket

39.0%

Bid 38.0% · Ask 40.0%

The Weeknd

Open Polymarket ↗

Kalshi

2.0%

Bid 0.0% · Ask 2.0%

The Weeknd

Open Kalshi ↗

3.0%

Bid 0.0% · Ask 3.0%

The Weeknd

Open Kalshi ↗

3.0%

Bid 0.0% · Ask 3.0%

The Weeknd

Open Kalshi ↗

Ariana Grande

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid — · Ask 0.1%

Ariana Grande

Open Polymarket ↗

Kalshi

—

Artist B

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

50.0%

Bid 0.0% · Ask 100.0%

Artist B · closed

Open Polymarket ↗

Kalshi

—

Artist C

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

50.0%

Bid 0.0% · Ask 100.0%

Artist C · closed

Open Polymarket ↗

Kalshi

—

Artist D

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

50.0%

Bid 0.0% · Ask 100.0%

Artist D · closed

Open Polymarket ↗

Kalshi

—

Artist E

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

50.0%

Bid 0.0% · Ask 100.0%

Artist E · closed

Open Polymarket ↗

Kalshi

—

Artist F

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

50.0%

Bid 0.0% · Ask 100.0%

Artist F · closed

Open Polymarket ↗

Kalshi

—

Beyoncé

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Beyoncé

Open Kalshi ↗

1.0%

Bid 0.0% · Ask 1.0%

Beyoncé

Open Kalshi ↗

1.0%

Bid 0.0% · Ask 1.0%

Beyoncé

Open Kalshi ↗

Billie Eilish

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid — · Ask 0.1%

Billie Eilish

Open Polymarket ↗

Kalshi

—

BTS

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

2.0%

Bid 0.0% · Ask 2.0%

BTS

Open Kalshi ↗

Chappell Roan

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Chappell Roan

Open Kalshi ↗

1.0%

Bid 0.0% · Ask 1.0%

Chappell Roan

Open Kalshi ↗

3.0%

Bid 0.0% · Ask 3.0%

Chappell Roan

Open Kalshi ↗

Coldplay

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid — · Ask 0.1%

Coldplay

Open Polymarket ↗

Kalshi

—

Ed Sheeran

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid — · Ask 0.1%

Ed Sheeran

Open Polymarket ↗

Kalshi

—

Ella Langley

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Ella Langley

Open Kalshi ↗

Kendrick Lamar

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Kendrick Lamar

Open Kalshi ↗

1.0%

Bid 0.0% · Ask 1.0%

Kendrick Lamar

Open Kalshi ↗

1.0%

Bid 0.0% · Ask 1.0%

Kendrick Lamar

Open Kalshi ↗

Lady Gaga

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid — · Ask 0.1%

Lady Gaga

Open Polymarket ↗

Kalshi

—

Morgan Wallen

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

2.0%

Bid 0.0% · Ask 2.0%

Morgan Wallen

Open Kalshi ↗

2.0%

Bid 0.0% · Ask 6.0%

Morgan Wallen

Open Kalshi ↗

1.0%

Bid 0.0% · Ask 1.0%

Morgan Wallen

Open Kalshi ↗

Noah Kahan

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

1.0%

Bid 0.0% · Ask 2.0%

Noah Kahan

Open Kalshi ↗

Olivia Rodrigo

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

2.0%

Bid 0.0% · Ask 2.0%

Olivia Rodrigo

Open Kalshi ↗

Rihanna

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

61.5%

Bid 60.0% · Ask 63.0%

Rihanna

Open Polymarket ↗

Kalshi

—

Shakira

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid — · Ask 0.1%

Shakira

Open Polymarket ↗

Kalshi

—

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