id: BT-003B
title: Event Comparison Drilldown
status: backlog
priority: P1
effort: M
depends_on:
  - BT-003A
tags: [backtesting, ui]
summary: Explain why one ranked strategy beat another on the event comparison page.
acceptance_criteria:
  - Selecting a ranked strategy shows daily path details.
  - UI exposes margin-call days, payoff realized, hedge cost, and final equity.
  - Worst LTV point and breach dates are highlighted.
  - Browser test verifies drilldown content updates when selecting a ranked result.