US Politics · SCII · Illustrative
Supreme Court Ideological Index
Summarizes markets tied to future Supreme Court membership, appointments, and ideological direction.
Illustrative index level
67.5
+0.8 sample change
0 = more liberal court · 100 = more conservative court
Change (30D)
+0.8 pts
Constituents
4
High (30D)
67.50
Low (30D)
66.70
Constituents
Example weighted inputs from external prediction markets.
- Up
TENURE
Justice tenure
- Level
- 72.30
- Weight
- 30.0%
- 30D
- +0.8 pts
- Up
VACANCY
Vacancy timing
- Level
- 65.10
- Weight
- 25.0%
- 30D
- +0.6 pts
- Down
NOMCTL
Nomination control
- Level
- 69.10
- Weight
- 25.0%
- 30D
- -0.3 pts
- Up
CASES
Case-direction markets
- Level
- 64.30
- Weight
- 20.0%
- 30D
- +0.4 pts
Sample settlements
Recent illustrative observations, newest first.
| Settlement | Value |
|---|---|
| Jul 20, 2026 | 67.50 |
| Jul 14, 2026 | 67.30 |
| Jul 8, 2026 | 67.20 |
| Jul 2, 2026 | 67.00 |
| Jun 26, 2026 | 66.80 |
| Jun 20, 2026 | 66.70 |