GetFearGreedIndex
GetFearGreedIndex retrieves the composite Fear & Greed sentiment index.
Authorizations
User-issued WorldMonitor API key.
Query Parameters
Optional JMESPath expression applied server-side to project or reduce the JSON response before it is returned (mirrors the MCP jmespath argument). Invalid expressions, expressions larger than 1024 UTF-8 bytes, or projections that exceed the 256 KB output cap return HTTP 400 with a {_jmespath_error, original_keys} envelope. Grammar and worked examples: https://www.worldmonitor.app/docs/mcp-jmespath.
Response
Successful response
True when the upstream or seed-backed variant is unavailable; empty payload fields are graceful degradation, not confirmed zero data.
Bespoke Fear & Greed header stress ratio, not the KCFSI/ECB FSI panel composite. Formula: (HYG / TLT) / (VIX * HY OAS / 100).
Label for fsi_value: Low Stress (>=1.5), Moderate Stress (>=0.8), Elevated Stress (>=0.3), otherwise High Stress.
Latest HYG ETF price used in the Fear & Greed header stress ratio.
Latest TLT ETF price used in the Fear & Greed header stress ratio.
