Watchlist Star
Definition / Formula
Membership of the symbol in the watchlist union. The backend returns the union of all watchlist tabs; the tabs are visual only.
star = watchlist.includes(symbol) ? filled : hollow
UI Breakdown
The cell is a toggle button. It is disabled and drawn at 35 percent opacity when the row carries no symbol.
| Control | Action | Effect |
|---|---|---|
| Column header | click | sort descending (largest first); click again to flip |
| Column header | double-click | show only favourites |
| The cell | click | add or remove the symbol from the watchlist |
Value Ranges
| See | Value Band | Status | Visual Appearance |
|---|---|---|---|
 | Not in the watchlist union | Off | Muted outline glyph |
 | In the watchlist union | On | Gold filled glyph |
Summary: The star reports and toggles watchlist membership for the symbol.