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Kalshi Launches American Power Index Tracking Political Control

Prediction market platform Kalshi introduced a new index that combines congressional and presidential control with market forecasts. The measure produces a single score ranging from +50D to +50R.

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1 source·May 28, 7:03 PM(22 hrs ago)·1m read
Kalshi Launches American Power Index Tracking Political Controlmarketwatch.com
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Kalshi launched the American Power Index, a real-time market-based measure of political control in the United States. The index aggregates control of the House, Senate, and presidency together with prediction market forecasts. It generates a single live score on a scale from +50D to +50R. 90R, indicating a Republican lean.

The platform states that the index removes reliance on polls alone by incorporating trading data. It is presented as an S&P-style indicator for political power. No additional details on methodology updates or future revisions were provided in the announcement.

Key Facts

American Power Index
real-time measure of U.S. political control
+2.90R
current index reading showing Republican lean
+50D to +50R
full scoring range of the new index

Potential Impact

  1. 01

    Traders can now transact contracts directly linked to the index value.

  2. 02

    Media outlets may reference the index when reporting political control changes.

Transparency Panel

Sources cross-referenced1
Confidence score75%
Synthesized bySubstrate AI
Word count92 words
PublishedMay 28, 2026, 7:03 PM
Bias signals removed2 across 1 outlet
Signal Breakdown
Framing 1Editorializing 1

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