KVYO · Analysis updated Nov 10, 2026, 6:00 PM ET

Why is Klaviyo, Inc. (KVYO) stock moving?

Klaviyo reported Q3 2026 revenue of $387.2M and adjusted EPS of $0.22, both ahead of estimates, and raised full-year 2026 sales guidance to $1.537B-$1.541B from $1.526B-$1.534B. The Q4 sales outlook of $421M-$425M is roughly in line, with its midpoint slightly under the $422.4M estimate, so the forward guide is solid rather than exceptional. An 8-K filed for the results also discloses a newly authorized share repurchase program. Analyst reaction has been positive: Citigroup (Buy, $38), Wells Fargo (Overweight, $24), Barclays (Overweight, $23) and Macquarie (Neutral, raised to $23 from $19) all raised targets between Oct 28 and Nov 6. Price action has not fully confirmed the good news. Shares closed at $20.18-$20.71 in late October, spiked to a $22.14 high with 11.3M volume on Nov 2 (no news item in this set explains that move), and closed at $21.36 on the Nov 4 earnings day. They then gave back the gains, with a $22.20 high on Nov 5 followed by a $20.81 close, and on Nov 10 hit a $19.00 low before closing at $20.43. Volume has stayed elevated (about 5-7M shares a day versus 3-4M before earnings), which points to active trading rather than a clean breakout. The $20-$22 band has held so far.

News behind the analysis

About Klaviyo, Inc.

Technology · Application Software (marketing automation)

Klaviyo is a Boston-based software company whose platform lets online brands send email, SMS and other marketing messages and run customer service, all based on their own customer data. It started out serving Shopify merchants, is now used by more than 205,000 brands, and is pushing into larger enterprise customers and AI-driven marketing tools.

How it makes money

Nearly all revenue comes from subscriptions. Pricing is mainly set by how many contacts a customer keeps on the platform and how many emails or texts it sends. Extra revenue comes from SMS messaging (which includes pass-through carrier costs and hurts gross margin), plus add-ons such as reviews, customer data and analytics tools. Quarterly revenue was about $387 million in Q3 2026, and the company has guided to roughly $1.5 billion for full-year 2026.

What usually moves KVYO

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This analysis is for informational purposes only and is not investment advice. It is based solely on the news and market data provided, and past performance does not guarantee future results. Consult a qualified financial advisor before making investment decisions.