Holding period: 4/19 → 11/15 · base line untouched · highlight stroked brand at 3px.
Holding period: 4/19 → 11/15 · base line dimmed to 30% (pos@0.3) · highlight stroked pos at 3px.
Holding period: 4/19 → 11/15 · base line recolored to brand at 30% · highlight stroked pos at 3px.
Same holding period (4/19 → 11/15) applied to the MCDONUT portfolio series. Markers snap to MCD's y-values at the same x-anchors, so the same trade dates land on the new line.