What's causing the sudden increase in failed trades on Kraken's spot trading platform?

Introduction

The sudden increase in failed trades on Kraken's spot trading platform is a critical issue that demands immediate attention. As we delve into this problem, we'll employ a systematic approach to identify, validate, and address the root cause while considering both short-term fixes and long-term strategic implications.

Our analysis will follow a structured framework, beginning with clarifying questions to establish context, followed by a thorough examination of external factors, product understanding, metric breakdown, and data-driven hypothesis formation. We'll then conduct a root cause analysis, propose validation methods, and outline a comprehensive resolution plan.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking this might be a recent development. When exactly did you first notice the increase in failed trades?

Why it matters: Pinpointing the timeframe helps correlate the issue with potential triggers. Expected answer: Within the last week or two. Impact on approach: A sudden spike suggests a specific event or change, while a gradual increase might indicate a systemic issue.

• Considering user segments, I'm wondering if this affects all traders equally. Have you noticed any patterns in terms of user types or trading pairs experiencing more failures?

Why it matters: Identifying affected segments can narrow down potential causes. Expected answer: Higher failure rates among high-volume traders or specific trading pairs. Impact on approach: Targeted investigation of affected segments vs. platform-wide analysis.

• Given the nature of spot trading, I'm curious about the specific stage where trades are failing. At what point in the trading process are these failures occurring?

Why it matters: Different failure points suggest different root causes. Expected answer: Failures occurring at order placement, matching, or settlement stages. Impact on approach: Focus on specific components of the trading system based on failure point.

• Thinking about recent changes, have there been any significant updates to the platform, infrastructure, or trading rules in the past month?

Why it matters: Recent changes often correlate with performance issues. Expected answer: A major system upgrade or policy change was implemented recently. Impact on approach: Investigation of change management processes and potential rollback strategies.