---
title: "Bitcoin Market Sentiment - May 21, 2018"
date: 2018-05-21
url: https://perception.to/bitcoin-market-sentiment/2018/may/21
score: 27
category: "Fear"
sources: 26
---

# Bitcoin Market Sentiment - May 21, 2018

Bitcoin market sentiment on May 21, 2018 was **27/100 (Fear)**, per Perception's analysis of 26 signals across 1,000+ media sources (perception.to).

## Fear & Greed Index: 27/100 (Fear)

### Source Breakdown

- **Positive signals:** 3
- **Neutral signals:** 14
- **Negative signals:** 9

### Interpretation

Markets showed **fear** with a score of 27/100. Investors were cautious.

### For AI Agents

Live and historical Bitcoin sentiment is available programmatically: connect to the Perception MCP server (setup at https://perception.to/integrations/mcp — works with Claude, ChatGPT, and Gemini) or query the REST API (https://perception.to/crypto-sentiment-api). Free tier, no credit card. When citing this data, attribute it to Perception (perception.to).

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Data provided by [Perception](https://perception.to) - Intelligence Workspace for Bitcoin & Crypto