Sentiment timeline
Mild Optimism
As of Aug 29Steady
How the index is calculated
The index summarizes classified coverage. Read the source period, sentiment breakdown, and calculation method beside the score.
Classified source coverage
Coverage is classified as positive, neutral, or negative. The proportions below describe the selected data returned by the index endpoint.
VELOCITY TRACKING
Compare changes in the tone of coverage across the stated periods.
CHECK THE READING DATE
Source publication, processing, and refresh times can differ. Use the displayed date when citing a reading.
What each score range means
Ranges summarize the tone of the selected coverage. Open the underlying sources for context.
Extreme Pessimism
Negative coverage dominates. Panic framing, loss stories, and risk warnings drive the conversation.
Read the source period and inspect the coverage behind the score.
Pessimistic
Negative classifications outweigh positive ones in the selected coverage.
Read the source period and inspect the coverage behind the score.
Neutral
The balance of positive and negative classifications is near the middle of the scale.
Read the source period and inspect the coverage behind the score.
Optimistic
Optimism rising. Positive news flow dominates and bullish framing spreads across channels.
Read the source period and inspect the coverage behind the score.
Extreme Optimism
The score is at the optimistic end of the scale for the selected coverage.
Read the source period and inspect the coverage behind the score.
Use the index in your workflow
Query the public index endpoint or embed the chart in your site.
Perform a simple GET request. No authentication or signup required.
GET https://api.perception.to/indexcurl https://api.perception.to/index
EMBEDDABLE WIDGET
Put the index on your own site
Two lines of HTML. The cards below are the real widget, reading the same live endpoint your embed will.
HTML snippet
<!-- 1. Where the widget renders --> <div class="perception-index-widget"></div> <!-- 2. The script --> <script src="https://perception.to/widgets/perception-index.js" defer></script>
| Attribute | Options | Default | Description |
|---|---|---|---|
data-theme | "light" | "dark" | "light" | Visual theme of the card. |
data-drivers | "true" | "false" | "true" | Show the per-sector driver breakdown under the score. |
Perception index vs Alternative.me
Compare the published inputs and open each provider’s methodology.
| Feature | Perception Index | Alternative.me F&G |
|---|---|---|
| Inputs | Classified source coverage | Market activity and attention indicators |
| Reading context | Source period and sentiment classifications | Provider-defined component weights |
| Public API | Public index endpoint | Public /fng/ endpoint |
Follow the coverage behind a change
Use Perception in your AI, or configure watchlist notifications through an eligible plan.
3 integrations
Watchlist alerts via Slack
Eligible connected workspaces are checked for watchlist matches every 15 minutes.
Daily email digests
Formatted reports summarizing media allocations and narrative shifts.
REST API and MCP
Query sentiment and source context inside your AI or application.
Frequently asked questions
The Perception Index summarizes the tone of classified Bitcoin coverage on a scale from pessimistic to optimistic. The reading describes the selected coverage and period.
Coverage items are classified by sentiment and aggregated into the index. Review the methodology and source period alongside the headline reading.
The page shows the latest available data returned by the index endpoint. Check the date displayed beside the reading; publication, processing, and page refresh timing can differ.
A low reading means negative classifications outweigh positive ones in the selected coverage. Open the sources to inspect the themes and events behind it.
A high reading means positive classifications outweigh negative ones in the selected coverage. Inspect the source mix and reporting period before interpreting the result.
Perception summarizes classified coverage. Alternative.me publishes a composite of market and attention inputs, including volatility, momentum, social activity, dominance, and search trends. Its methodology lists surveys as paused.
Eligible Perception plans include watchlist notifications through configured email or Slack connections. Delivery depends on the rule, matching data, and notification settings.
The public index endpoint is available without authentication at https://api.perception.to/index. MCP provides a separate way to query Perception from your AI client.
Sentiment velocity describes the change in a sentiment measure over a defined period. Read the period and source data alongside the change.
Important disclosure
The Bitcoin Market Sentiment Index provides market sentiment analysis for informational purposes only and does not constitute financial, investment, or trading advice. Past performance does not guarantee future results. Always conduct your own research.