Market comparison

CPI in October

2 venues · 28 outcome rows · 0 comparable lines · 0 verified parity · active

Kalshi

Open venue ↗

12 outcomes · $804K reported volume

Observed 27s ago

Recorded venue end date: Nov 10, 2026

Polymarket

Open venue ↗

17 outcomes · $13K reported volume

Observed 27s ago

Recorded venue end date: Nov 11, 2026

Check settlement rules before comparing contracts. Matched outcomes may settle differently. These are stored prices; record update times do not certify live quotes. Differences exclude fees and available size.

No shared outcome identities or comparable outcome lines are available for this event. Each venue’s outcomes are listed separately.

Available outcome prices by venue for CPI in October
Outcome	Kalshi	Polymarket	Difference
0.0% Not aligned No persisted outcome identity connects these venue contracts.	—	4.0% Bid 1.1% · Ask 6.8% ≤0.0% Open Polymarket ↗	—
0.1% Not aligned No persisted outcome identity connects these venue contracts.	—	18.5% Bid 18.0% · Ask 19.0% 0.1% Open Polymarket ↗	—
0.2% Not aligned No persisted outcome identity connects these venue contracts.	—	32.5% Bid 32.0% · Ask 33.0% 0.2% Open Polymarket ↗	—
0.3% Not aligned No persisted outcome identity connects these venue contracts.	—	31.5% Bid 31.0% · Ask 32.0% 0.3% Open Polymarket ↗	—
0.4% Not aligned No persisted outcome identity connects these venue contracts.	—	13.0% Bid 12.0% · Ask 14.0% 0.4% Open Polymarket ↗	—
0.5% Not aligned No persisted outcome identity connects these venue contracts.	—	1.7% Bid 0.3% · Ask 3.1% 0.5% Open Polymarket ↗	—
0.6%+ Not aligned No persisted outcome identity connects these venue contracts.	—	1.1% Bid 0.3% · Ask 1.9% 0.6%+ Open Polymarket ↗	—
2.2% Not aligned No persisted outcome identity connects these venue contracts.	—	1.6% Bid 0.3% · Ask 2.9% ≤2.2% Open Polymarket ↗	—
2.3% Not aligned No persisted outcome identity connects these venue contracts.	—	1.6% Bid 0.3% · Ask 2.9% 2.3% Open Polymarket ↗	—
2.4% Not aligned No persisted outcome identity connects these venue contracts.	—	1.6% Bid 0.3% · Ask 2.9% 2.4% Open Polymarket ↗	—
2.5% Not aligned No persisted outcome identity connects these venue contracts.	—	1.9% Bid 0.2% · Ask 3.7% 2.5% Open Polymarket ↗	—
2.6% Not aligned No persisted outcome identity connects these venue contracts.	—	76.5% Bid 76.0% · Ask 77.0% 2.6% Open Polymarket ↗	—
2.7% Not aligned No persisted outcome identity connects these venue contracts.	—	6.2% Bid 1.3% · Ask 11.1% 2.7% Open Polymarket ↗	—
2.8% Not aligned No persisted outcome identity connects these venue contracts.	—	0.5% Bid 0.1% · Ask 1.0% 2.8% Open Polymarket ↗	—
2.9% Not aligned No persisted outcome identity connects these venue contracts.	—	0.5% Bid 0.1% · Ask 1.0% 2.9% Open Polymarket ↗	—
3.0% Not aligned No persisted outcome identity connects these venue contracts.	—	9.5% Bid 0.5% · Ask 18.5% 3.0% Open Polymarket ↗	—
3.1% Not aligned No persisted outcome identity connects these venue contracts.	—	0.7% Bid 0.1% · Ask 1.2% ≥3.1% Open Polymarket ↗	—
Above -0.1% Not aligned No persisted outcome identity connects these venue contracts.	99.0% Bid 98.0% · Ask 100.0% Above -0.1% Open Kalshi ↗ 87.0% Bid 87.0% · Ask 88.0% Above 0.1% Open Kalshi ↗	—	—
Above 0.0% Not aligned No persisted outcome identity connects these venue contracts.	98.0% Bid 97.0% · Ask 98.0% Above 0.0% Open Kalshi ↗	—	—
Above 0.2% Not aligned No persisted outcome identity connects these venue contracts.	59.0% Bid 58.0% · Ask 63.0% Above 0.2% Open Kalshi ↗	—	—
Above 0.3% Not aligned No persisted outcome identity connects these venue contracts.	26.0% Bid 26.0% · Ask 28.0% Above 0.3% Open Kalshi ↗	—	—
Above 0.4% Not aligned No persisted outcome identity connects these venue contracts.	14.0% Bid 13.0% · Ask 14.0% Above 0.4% Open Kalshi ↗	—	—
Above 0.5% Not aligned No persisted outcome identity connects these venue contracts.	2.0% Bid 1.0% · Ask 2.0% Above 0.5% Open Kalshi ↗	—	—
Above 0.6% Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 1.0% Above 0.6% Open Kalshi ↗	—	—
Above 0.7% Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 1.0% Above 0.7% Open Kalshi ↗	—	—
Above 0.8% Not aligned No persisted outcome identity connects these venue contracts.	1.0% Bid 0.0% · Ask 1.0% Above 0.8% Open Kalshi ↗	—	—
Above 0.9% Not aligned No persisted outcome identity connects these venue contracts.	2.0% Bid 1.0% · Ask 2.0% Above 0.9% Open Kalshi ↗	—	—
Above 1.0% Not aligned No persisted outcome identity connects these venue contracts.	2.0% Bid 1.0% · Ask 2.0% Above 1.0% Open Kalshi ↗	—	—

0.0%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

4.0%

Bid 1.1% · Ask 6.8%

≤0.0%

Open Polymarket ↗

0.1%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

18.5%

Bid 18.0% · Ask 19.0%

0.1%

Open Polymarket ↗

0.2%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

32.5%

Bid 32.0% · Ask 33.0%

0.2%

Open Polymarket ↗

0.3%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

31.5%

Bid 31.0% · Ask 32.0%

0.3%

Open Polymarket ↗

0.4%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

13.0%

Bid 12.0% · Ask 14.0%

0.4%

Open Polymarket ↗

0.5%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

1.7%

Bid 0.3% · Ask 3.1%

0.5%

Open Polymarket ↗

0.6%+

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

1.1%

Bid 0.3% · Ask 1.9%

0.6%+

Open Polymarket ↗

2.2%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

1.6%

Bid 0.3% · Ask 2.9%

≤2.2%

Open Polymarket ↗

2.3%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

1.6%

Bid 0.3% · Ask 2.9%

2.3%

Open Polymarket ↗

2.4%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

1.6%

Bid 0.3% · Ask 2.9%

2.4%

Open Polymarket ↗

2.5%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

1.9%

Bid 0.2% · Ask 3.7%

2.5%

Open Polymarket ↗

2.6%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

76.5%

Bid 76.0% · Ask 77.0%

2.6%

Open Polymarket ↗

2.7%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

6.2%

Bid 1.3% · Ask 11.1%

2.7%

Open Polymarket ↗

2.8%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

0.5%

Bid 0.1% · Ask 1.0%

2.8%

Open Polymarket ↗

2.9%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

0.5%

Bid 0.1% · Ask 1.0%

2.9%

Open Polymarket ↗

3.0%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

9.5%

Bid 0.5% · Ask 18.5%

3.0%

Open Polymarket ↗

3.1%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

—

Polymarket

0.7%

Bid 0.1% · Ask 1.2%

≥3.1%

Open Polymarket ↗

Above -0.1%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

99.0%

Bid 98.0% · Ask 100.0%

Above -0.1%

Open Kalshi ↗

87.0%

Bid 87.0% · Ask 88.0%

Above 0.1%

Open Kalshi ↗

Polymarket

—

Above 0.0%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

98.0%

Bid 97.0% · Ask 98.0%

Above 0.0%

Open Kalshi ↗

Polymarket

—

Above 0.2%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

59.0%

Bid 58.0% · Ask 63.0%

Above 0.2%

Open Kalshi ↗

Polymarket

—

Above 0.3%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

26.0%

Bid 26.0% · Ask 28.0%

Above 0.3%

Open Kalshi ↗

Polymarket

—

Above 0.4%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

14.0%

Bid 13.0% · Ask 14.0%

Above 0.4%

Open Kalshi ↗

Polymarket

—

Above 0.5%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

2.0%

Bid 1.0% · Ask 2.0%

Above 0.5%

Open Kalshi ↗

Polymarket

—

Above 0.6%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Above 0.6%

Open Kalshi ↗

Polymarket

—

Above 0.7%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Above 0.7%

Open Kalshi ↗

Polymarket

—

Above 0.8%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

1.0%

Bid 0.0% · Ask 1.0%

Above 0.8%

Open Kalshi ↗

Polymarket

—

Above 0.9%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

2.0%

Bid 1.0% · Ask 2.0%

Above 0.9%

Open Kalshi ↗

Polymarket

—

Above 1.0%

Not aligned

No persisted outcome identity connects these venue contracts.

Kalshi

2.0%

Bid 1.0% · Ask 2.0%

Above 1.0%

Open Kalshi ↗

Polymarket

—

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

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