Spec for a new /api/chart/underlying/{idUnderlyings} endpoint that
renders a single price-history line for one underlying, independent
of any certificate context (no strike/barriers/legend).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Spec for a new /api/chart/underlying/{idUnderlyings} endpoint that
renders a single price-history line for one underlying, independent
of any certificate context (no strike/barriers/legend).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>