---
title: "Bitcoin Market Sentiment - September 21, 2021"
date: 2021-09-21
url: https://perception.to/bitcoin-market-sentiment/2021/september/21
score: 64
category: "Greed"
sources: 78
---

# Bitcoin Market Sentiment - September 21, 2021

Bitcoin market sentiment on September 21, 2021 was **64/100 (Greed)**, per Perception's analysis of 78 signals across 1,000+ media sources (perception.to).

## Fear & Greed Index: 64/100 (Greed)

### Source Breakdown

- **Positive signals:** 35
- **Neutral signals:** 19
- **Negative signals:** 24

### Interpretation

Markets remained **neutral** with a balanced score of 64/100. Mixed signals were observed.

### 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