Why has Sumitomo Mitsui Banking's online foreign currency exchange service seen a 15% decrease in transaction volume over the past month?

Introduction

Sumitomo Mitsui Banking's online foreign currency exchange service has experienced a 15% decrease in transaction volume over the past month, signaling a significant issue that requires immediate attention. To address this problem, I'll employ a systematic approach to identify, validate, and resolve the root cause while considering both short-term and long-term implications for the product and business.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking there might be seasonal factors at play. Has this 15% decrease been compared to the same period last year?

Why it matters: Seasonal trends could explain the volume decrease and impact our solution approach. Expected answer: Yes, it has been compared, and the decrease is still significant. Impact on approach: If seasonal, we'd focus on optimizing for known patterns; if not, we'd investigate other factors.

• Considering user segments, I'm curious about the distribution of the decrease. Is the 15% drop uniform across all user types, or are certain segments more affected?

Why it matters: Identifying specific affected segments could point to targeted issues or changes in user behavior. Expected answer: The decrease is more pronounced in retail customers compared to business users. Impact on approach: We'd focus on retail-specific factors and potentially segment our solution strategy.

• Thinking about recent changes, have there been any updates to the platform, pricing, or user interface in the last 1-2 months?

Why it matters: Recent changes could directly correlate with the decrease in transaction volume. Expected answer: A minor UI update was implemented six weeks ago. Impact on approach: We'd investigate the impact of the UI change on user behavior and conversion rates.

• Considering market dynamics, has there been any significant shift in exchange rates or global economic events that might influence foreign currency transactions?

Why it matters: External market factors could be driving the decrease in volume. Expected answer: No major market shifts, but there's been some volatility in a few key currency pairs. Impact on approach: We'd analyze how volatility impacts user behavior and potentially adjust our risk management strategies.