What caused the sudden 30% decrease in trading volume on Wealthsimple Trade during the last week of October?

Introduction

The sudden 30% decrease in trading volume on Wealthsimple Trade during the last week of October is a critical issue that demands immediate attention. This significant drop could have far-reaching implications for user engagement, revenue, and overall platform health. I'll approach this problem systematically, focusing on identifying the root cause, validating hypotheses, and developing both short-term and long-term solutions.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking this could be related to a specific event or change. Was there any major product update or market event during this period?

Why it matters: Identifying any correlation with recent changes or events could quickly narrow down potential causes. Expected answer: Information about recent updates or significant market events. Impact on approach: If there was a recent update, we'd focus on that change; if not, we'd broaden our investigation.

• Considering user segments, I'm curious if this decrease was uniform across all user types. Did you notice any particular user segment more affected than others?

Why it matters: Understanding if the issue is widespread or concentrated can help pinpoint the root cause. Expected answer: Data on affected user segments. Impact on approach: If specific segments are more affected, we'd tailor our investigation to those users' unique characteristics or behaviors.

• Given the nature of trading platforms, I'm wondering about the overall market conditions during this period. Were there any unusual market trends or volatility that could have influenced trading behavior?

Why it matters: External market factors could significantly impact trading volume. Expected answer: Information on market conditions during the affected period. Impact on approach: Strong market influences might shift our focus to external factors rather than internal issues.

• Considering the possibility of technical issues, have there been any reports of platform performance problems or outages during this time?

Why it matters: Technical issues could directly impact users' ability to trade. Expected answer: Information on any reported technical problems. Impact on approach: Confirmed technical issues would prioritize our investigation of system performance and reliability.

• Thinking about potential data anomalies, has there been any change in how trading volume is measured or reported?

Why it matters: Ensures we're working with accurate data and not chasing a non-existent problem. Expected answer: Confirmation of consistent measurement methods. Impact on approach: Any changes in measurement would require us to reassess the validity of the reported decrease.