On-Balance Volume

Cumulative volume added on up days and subtracted on down days (Granville, 1963), tracks buying vs selling pressure. Divergences vs price reveal the conviction behind a move.

Tier freePrice intelligenceobvvolumegranvilleaccumulationdistributionflow

The detailed education sheet for this metric is being published. The identifier above is already queryable from the REST API and the MCP server.

Programmatic access

REST API

curl -sS \
  'https://api.trinityinsights.io/api/v1/price-intelligence/pi-obv/history?days=90' \
  -H 'X-API-Key: $TRINITY_API_KEY'

MCP server

{
  "tool": "get_chart_value",
  "metric_id": "pi-obv",
  "timeframe": "1y"
}

Required tier: free. See the pricing grid for the tier list and the MCP documentation for multi-client configuration.

Related metrics

Institutional disclaimer

Trinity Insights is an educational and analytical tool. The metric above does not constitute investment advice. Trinity Insights is not a Crypto-Asset Service Provider (CASP) registered under MiCA Regulation (EU) 2023/1114. See the full disclaimer.