Market snapshot: Oct 11, 2026, 9:47 PM UTC. Prices may have changed since this snapshot.

GroupKALSHI

Event GroupKALSHIEconomics

US headline CPI inflation in December 2027

Total Volume

$14.98K

Events

Markets

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US headline CPI inflation in December 2027

Vol

$14.98K

Events

Markets

Kalshi

Platform StatsQuick Platform Comparison

Polymarket

markets · $0.00

Kalshi

markets · $14.98K

Price Spread

0.0%avg

max 0.0%

Arbitrage

of 0 cross-platform

Volume DistributionTotal: $14.98K

100%

Kalshi leads

Price ChartMatched Markets Price Graph

13 markets tracked

Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

No data available

Single-Platform Markets(13)

Market	Platform	Price
Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?	Kalshi	98%
Will the 12-month percentage change in CPI-U in December 2027 be above 0.5%?	Kalshi	94%
Will the 12-month percentage change in CPI-U in December 2027 be above 1.0%?	Kalshi	91%
Will the 12-month percentage change in CPI-U in December 2027 be above 1.5%?	Kalshi	89%
Will the 12-month percentage change in CPI-U in December 2027 be above 2.0%?	Kalshi	88%
Will the 12-month percentage change in CPI-U in December 2027 be above 2.5%?	Kalshi	75%
Will the 12-month percentage change in CPI-U in December 2027 be above 3.0%?	Kalshi	49%
Will the 12-month percentage change in CPI-U in December 2027 be above 3.5%?	Kalshi	29%
Will the 12-month percentage change in CPI-U in December 2027 be above 4.0%?	Kalshi	23%
Will the 12-month percentage change in CPI-U in December 2027 be above 4.5%?	Kalshi	18%
Will the 12-month percentage change in CPI-U in December 2027 be above 6.0%?	Kalshi	13%
Will the 12-month percentage change in CPI-U in December 2027 be above 5.5%?	Kalshi	13%
Will the 12-month percentage change in CPI-U in December 2027 be above 5.0%?	Kalshi	8%

AI Analysis

Trader mode: Actionable analysis for identifying opportunities and edge

98%

Top Probability

$14.98K

Volume

Markets

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About This Event

December 2027 If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above X then the market resolves to Yes. The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for December 2027, not the annual-average percentage change for the specified year. This market will close and expire early if the economic data is released.

AI-generated analysis based on market data. Not financial advice.

Custom AI Analysis Prompt

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Open in:ChatGPT Claude Gemini Grok DeepSeek

**Role:** Expert Prediction Market Analyst & Trader
**Objective:** Analyze the provided betting market data to deliver actionable insights, identify mispricings, and perform scenario analysis.
**Current Date:** Sunday, October 11, 2026
**Context:** Prediction markets (Polymarket/Kalshi) are binary option markets where price (1-99) equals implied probability (1%-99%).

---

## 1. Event Snapshot
**Event:** US headline CPI inflation in December 2027
**Category:** Economics | **Status:** active
**Resolution Date:** N/A (Unknown)
**Time Pressure:** Unknown

**Description:** December 2027

If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above X then the market resolves to Yes. The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for December 2027, not the annual-average percentage change for the specified year. This market will close and expire early if the economic data is released.

**Resolution Criteria (Sample):**
"If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above 6.0%, then the market resolves to Yes. Secondary rules: The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for De"

## 2. Market liquidity & Volume
* **Total Volume:** $15.0K
* **Total Liquidity:** $0
* **Activity Level:** Low Activity (Vol/Liq Ratio: 0.00)

## 3. Market Data (Prices & Odds)
### 1. Will the 12-month percentage change in CPI-U in December 2027 be above 6.0%?
- **Kalshi** (End: Feb 8, 2028): Vol $266
  DATA: [Yes: 12.5% (0.0%)] | [No: 87.5% (0.0%)]

### 2. Will the 12-month percentage change in CPI-U in December 2027 be above 5.5%?
- **Kalshi** (End: Feb 8, 2028): Vol $159
  DATA: [Yes: 12.5% (0.0%)] | [No: 87.5% (0.0%)]

### 3. Will the 12-month percentage change in CPI-U in December 2027 be above 5.0%?
- **Kalshi** (End: Feb 8, 2028): Vol $171
  DATA: [Yes: 8.0% (0.0%)] | [No: 92.0% (0.0%)]

### 4. Will the 12-month percentage change in CPI-U in December 2027 be above 4.5%?
- **Kalshi** (End: Feb 8, 2028): Vol $328
  DATA: [Yes: 18.0% (0.0%)] | [No: 82.0% (0.0%)]

### 5. Will the 12-month percentage change in CPI-U in December 2027 be above 4.0%?
- **Kalshi** (End: Feb 8, 2028): Vol $147
  DATA: [Yes: 23.0% (0.0%)] | [No: 77.0% (0.0%)]

### 6. Will the 12-month percentage change in CPI-U in December 2027 be above 3.5%?
- **Kalshi** (End: Feb 8, 2028): Vol $995
  DATA: [Yes: 29.0% (0.0%)] | [No: 71.0% (0.0%)]

### 7. Will the 12-month percentage change in CPI-U in December 2027 be above 3.0%?
- **Kalshi** (End: Feb 8, 2028): Vol $1.8K
  DATA: [Yes: 49.0% (0.0%)] | [No: 51.0% (0.0%)]

### 8. Will the 12-month percentage change in CPI-U in December 2027 be above 2.5%?
- **Kalshi** (End: Feb 8, 2028): Vol $6.2K
  DATA: [Yes: 75.0% (0.0%)] | [No: 25.0% (0.0%)]

### 9. Will the 12-month percentage change in CPI-U in December 2027 be above 2.0%?
- **Kalshi** (End: Feb 8, 2028): Vol $2.1K
  DATA: [Yes: 88.0% (0.0%)] | [No: 12.0% (0.0%)]

### 10. Will the 12-month percentage change in CPI-U in December 2027 be above 1.5%?
- **Kalshi** (End: Feb 8, 2028): Vol $218
  DATA: [Yes: 88.5% (0.0%)] | [No: 11.5% (0.0%)]

### 11. Will the 12-month percentage change in CPI-U in December 2027 be above 1.0%?
- **Kalshi** (End: Feb 8, 2028): Vol $179
  DATA: [Yes: 90.5% (0.0%)] | [No: 9.5% (0.0%)]

### 12. Will the 12-month percentage change in CPI-U in December 2027 be above 0.5%?
- **Kalshi** (End: Feb 8, 2028): Vol $201
  DATA: [Yes: 94.0% (0.0%)] | [No: 6.0% (0.0%)]

### 13. Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?
- **Kalshi** (End: Feb 8, 2028): Vol $2.1K
  DATA: [Yes: 97.5% (0.0%)] | [No: 2.5% (0.0%)]

---

## Analysis Instructions
Please provide a structured analysis using the following template:

### 1. Executive Summary
*   **Verdict:** [Most Likely Outcome]
*   **Confidence:** [0-100]%
*   **Timeframe:** [Immediate / Short-term / Long-term]
*   **Actionable Trade:** [Buy YES / Buy NO / Stay Away] (Include entry price target if applicable)
*   **Rationale:** 2-sentence summary of the core thesis.

### 2. Scenario Analysis
*   **Bull Case (Why YES goes up):** List specific catalysts or data points.
*   **Bear Case (Why YES goes down):** List specifics.
*   **Invalidation Point:** What happens to prove your thesis wrong?

### 3. Market Mechanics & Risks
*   **Liquidity/Volume Analysis:** Is the market efficient? Is it easy to exit?
*   **Cross-Platform Arbitrage:** (If applicable) Is the spread tradeable after fees?
*   **Time Decay:** How does time passing affect this position?

### 4. Signal Scores (0-100)
*   **Momentum:** [Score] (Price trend & velocity)
*   **Conviction:** [Score] (Volume backing the move)
*   **Information Edge:** [Score] (Likelihood of non-public info affecting price)
*   **Risk/Reward:** [Score] (Potential upside vs downside)

**Constraints:**
- Be direct and objective.
- Use bullet points for readability.
- If data is conflicting or insufficient, explicitly state "Low Confidence".

Tap text to select all

Educational content is AI-generated and sourced from Wikipedia. It should not be considered financial advice.

KALSHIEconomics

US headline CPI inflation in December 2027

Volume$14.98K

Markets13

13 of 13

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KALSHI

Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

KALSHI

KKalshi

Yes 97.5¢No 2.5¢

KALSHIEconomics

Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above 0.0%, then the market resolves to Yes. Secondary rules: The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for De

KALSHI

Will the 12-month percentage change in CPI-U in December 2027 be above 0.5%?

KALSHI

KKalshi

Yes 94.0¢No 6.0¢

KALSHIEconomics

Will the 12-month percentage change in CPI-U in December 2027 be above 0.5%?

If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above 0.5%, then the market resolves to Yes. Secondary rules: The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for De

KALSHI

Will the 12-month percentage change in CPI-U in December 2027 be above 1.0%?

KALSHI

KKalshi

Yes 90.5¢No 9.5¢

KALSHIEconomics

Will the 12-month percentage change in CPI-U in December 2027 be above 1.0%?

If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above 1.0%, then the market resolves to Yes. Secondary rules: The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for De

KALSHI

Will the 12-month percentage change in CPI-U in December 2027 be above 1.5%?

KALSHI

KKalshi

Yes 88.5¢No 11.5¢

KALSHIEconomics

Will the 12-month percentage change in CPI-U in December 2027 be above 1.5%?

If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above 1.5%, then the market resolves to Yes. Secondary rules: The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for De

KALSHI

Will the 12-month percentage change in CPI-U in December 2027 be above 2.0%?

KALSHI

KKalshi

Yes 88.0¢No 12.0¢

KALSHIEconomics

Will the 12-month percentage change in CPI-U in December 2027 be above 2.0%?

If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above 2.0%, then the market resolves to Yes. Secondary rules: The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for De

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<iframe src="https://predictpedia.com/embed/i_axiP" width="400" height="160" frameborder="0" style="border-radius: 8px; max-width: 100%;" title="US headline CPI inflation in December 2027"></iframe>

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US headline CPI inflation in December 2027

US headline CPI inflation in December 2027

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Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

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Events (1)

US headline CPI inflation in December 2027

Markets (13)

Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 0.5%?

Will the 12-month percentage change in CPI-U in December 2027 be above 0.5%?

Will the 12-month percentage change in CPI-U in December 2027 be above 1.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 1.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 1.5%?

Will the 12-month percentage change in CPI-U in December 2027 be above 1.5%?

Will the 12-month percentage change in CPI-U in December 2027 be above 2.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 2.0%?

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Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

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US headline CPI inflation in December 2027

Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 0.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 0.5%?

Will the 12-month percentage change in CPI-U in December 2027 be above 0.5%?

Will the 12-month percentage change in CPI-U in December 2027 be above 1.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 1.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 1.5%?

Will the 12-month percentage change in CPI-U in December 2027 be above 1.5%?

Will the 12-month percentage change in CPI-U in December 2027 be above 2.0%?

Will the 12-month percentage change in CPI-U in December 2027 be above 2.0%?

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