This is a callout marker. Like all ChartIQ markers, the object itself is managed by the chart, so when you scroll the chart the object moves with you. It is also destroyed automatically for you when the symbol is changed. This is an example of a complex marker which can contain html, video, images, css, and animations.
Indices are designed to be broad measures of performance of an asset class or a subset of that asset class. So that indices are widely adopted, the methodology used to create an index is often published to give stakeholders an understanding of how decisions governing index calculation are made.
Clustered Index. Definition - What does Clustered Index mean? A clustered index is a type of index where the table records are physically re-ordered to match the index. Clustered indexes are efficient on columns that are searched for a range of values. After the row with first value is found using a clustered index, rows with subsequent index values are guaranteed to be physically adjacent, thus providing faster access for a user query or an application.