Price Update Subscriptions

Subscribe to real-time share price changes.

Subscription Structure

subscription WatchPriceChanges(
  $cursor: [share_price_changes_stream_cursor_input]!
  $termId: String!
  $batchSize: Int!
) {
  share_price_changes_stream(
    cursor: $cursor
    batch_size: $batchSize
    where: { term_id: { _eq: $termId } }
  ) {
    term_id
    curve_id
    old_price
    new_price
    price_change
    created_at
  }
}

Best Practices

1. Filter by term_id for specific vault
2. Use batch_size to control update frequency
3. Calculate percentage change from old/new prices
4. Update charts with new data points