Compact trend indicator: a colored glyph plus the signed delta and percent change since the previous recorded price. Rising prices read red, drops read green. Renders nothing when there aren't two points to compare.
Format a USD amount for display in the user's currency, reusing the same conversion the results table applies so history values match the table.
The user settings the price-history views read to convert USD for display.
MUI theme color token per trend direction (rising price = bad = red).
Glyph per trend direction.
Inline SVG sparkline of a price series. Points are spaced evenly by index and scaled to the series' own min/max. Renders nothing for a series too short to draw a line (fewer than two points).