What caused the sudden 35% decrease in Sendwave's transaction volume for transfers to Ghana last week?

Introduction

The sudden 35% decrease in Sendwave's transaction volume for transfers to Ghana last week is a critical issue that demands immediate attention. As we analyze this product problem, I'll employ a systematic framework to identify, validate, and address the root cause while considering both immediate and long-term implications.

To tackle this challenge, I'll start by asking clarifying questions, rule out basic external factors, and then dive deep into product understanding, metric breakdown, and data analysis. From there, I'll form hypotheses, conduct root cause analysis, and propose validation methods and next steps. Throughout this process, I'll consider the broader impact on our product ecosystem and long-term strategy.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking this could be a recent change. Has there been any product update or system maintenance in the past two weeks?

Why it matters: Recent changes often correlate with sudden metric shifts. Expected answer: Yes, there was a minor update to the payment processing system. Impact on approach: If confirmed, I'd focus on technical hypotheses first.

• Considering user segments, I'm curious about the distribution. Is this decrease uniform across all user types, or is it more pronounced in specific segments?

Why it matters: Segmentation helps narrow down potential causes. Expected answer: The decrease is more significant among first-time users. Impact on approach: I'd prioritize onboarding and user experience hypotheses.

• Given the specificity to Ghana, I'm wondering about local factors. Have there been any recent regulatory changes or economic events in Ghana?

Why it matters: Country-specific issues can dramatically impact cross-border transactions. Expected answer: Ghana's central bank implemented new forex policies last month. Impact on approach: I'd explore how these policies might affect our service.

• Thinking about competitive landscape, has there been any significant move by competitors in the Ghana market recently?

Why it matters: Competitor actions can quickly shift market dynamics. Expected answer: A major competitor launched a fee-free promotion for Ghana transfers. Impact on approach: I'd analyze our pricing and value proposition relative to competitors.