TOP TIERMARKET NEWSWIRE
Movers explained · 2026-09-09

Archived explainer. For the current picture see today's KVYO page.

Why Is KLAVIYO INC Series A (KVYO) Stock Down Today?

By the Top Tier Newswire AI Desk · September 9, 2026 at 9:58 AM ET · reviewed against 8 wire stories

KLAVIYO INC Series A (KVYO) is down -5.56% in the latest session. Our newswire has captured 8 stories on KVYO across 5 sources in the last 36 hours, with AI sentiment reading mixed (avg 54/100).

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Klaviyo Inc. (KVYO) shares fell 5.56% to $16.90 in morning trading on September 9, 2026, as the stock continued a downward trajectory amid deteriorating sentiment and recent insider selling. The stock opened at $17.95 but quickly dropped to a session low of $16.82 before stabilizing slightly. The decline comes amid a broader market backdrop of strong AI earnings and benign inflation, yet KVYO has struggled to maintain momentum.

What Happened

KVYO has been under pressure for several weeks, with the stock falling 7.9% over the last eight sessions. The recent pullback accelerated on September 9 as the stock hit a new 52-week low. The company has announced several product updates, including a headless CRM platform and integrations with MNTN for Performance TV, but these developments have not yet translated into investor confidence. Meanwhile, key insiders, including the CFO and a director, have sold shares in the past month, raising concerns about internal sentiment. Citigroup and other analysts have maintained Buy ratings but have lowered or adjusted price targets, reflecting cautious optimism about the company’s enterprise push.

What The Data Shows

The stock’s intraday performance showed a sharp decline shortly after the open, with volume at 0.4 million shares, well below the three-month average. KVYO’s fundamentals remain mixed: it has a high P/E ratio of 794.1 and a net margin of just 0.5%, despite 28.9% year-to-date revenue growth. The stock is currently trading near its 52-week low of $12.53, having fallen from a high of $36.23 earlier in the year. Social chatter has been minimal, with only one post in the last 24 hours, and no unusual options activity has been reported.

What To Watch

KVYO is scheduled to present at two major conferences in September 2026, but no earnings date is listed for the near term. Investors will need to monitor coverage breadth and any further developments from the company, particularly as it relates to enterprise adoption of its platform.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

KVYO by the numbers

Last: $16.90Session: -5.56%7 sessions: -16.75%Coverage: 8 stories / 5 sourcesAI sentiment: 54/100 (mixed)Mkt cap: $5.3BP/E: 794.152w: $12.53 to $36.23
KVYO · Sep 9 session (5-min) · -8.44% vs prior close · updated 8:58 PM ET
$15.98$17.27$18.56prev close $17.89$16.388:30 AM11:16 AM2:02 PM4:48 PM7:35 PM8:30 AM · $17.958:55 AM · $18.079:20 AM · $18.429:25 AM · $17.959:30 AM · $17.349:35 AM · $16.909:40 AM · $17.009:45 AM · $17.049:50 AM · $16.889:55 AM · $16.9310:00 AM · $17.0410:05 AM · $17.0510:10 AM · $17.0010:15 AM · $16.9810:20 AM · $16.9710:25 AM · $17.0510:30 AM · $16.9910:35 AM · $17.0610:40 AM · $16.9810:45 AM · $17.0610:50 AM · $17.0310:55 AM · $17.0211:00 AM · $17.0411:05 AM · $17.0811:10 AM · $17.0511:15 AM · $17.0211:20 AM · $17.0211:25 AM · $16.9811:30 AM · $17.0011:35 AM · $17.0211:40 AM · $16.9911:45 AM · $16.9311:50 AM · $16.8911:55 AM · $16.8512:00 PM · $16.8012:05 PM · $16.7612:10 PM · $16.7712:15 PM · $16.7112:20 PM · $16.7712:25 PM · $16.7812:30 PM · $16.7512:35 PM · $16.7312:40 PM · $16.7112:45 PM · $16.7512:50 PM · $16.7512:55 PM · $16.751:00 PM · $16.731:05 PM · $16.701:10 PM · $16.711:15 PM · $16.731:20 PM · $16.751:25 PM · $16.751:30 PM · $16.731:35 PM · $16.751:40 PM · $16.761:45 PM · $16.711:50 PM · $16.651:55 PM · $16.702:00 PM · $16.632:05 PM · $16.612:10 PM · $16.612:15 PM · $16.632:20 PM · $16.652:25 PM · $16.662:30 PM · $16.602:35 PM · $16.592:40 PM · $16.662:45 PM · $16.662:50 PM · $16.662:55 PM · $16.663:00 PM · $16.653:05 PM · $16.633:10 PM · $16.643:15 PM · $16.633:20 PM · $16.613:25 PM · $16.593:30 PM · $16.613:35 PM · $16.543:40 PM · $16.233:45 PM · $16.203:50 PM · $16.123:55 PM · $16.254:00 PM · $16.324:10 PM · $16.274:25 PM · $16.354:30 PM · $16.345:05 PM · $16.455:10 PM · $16.455:20 PM · $16.435:30 PM · $16.455:40 PM · $16.445:45 PM · $16.455:55 PM · $16.276:30 PM · $16.276:45 PM · $16.457:00 PM · $16.277:30 PM · $16.457:35 PM · $16.38
AI sentiment, last 36h · averaged over 8 stories · 54/100 neutral
AI sentiment 54/100 (neutral)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 8 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishInvesting.com Analyst Ratings · sentiment 56 · Citi reiterates Klaviyo stock rating on enterprise pushInvesting.com Analyst Ratings · 56Citi reiterates Klaviyo stock rating on enterprise pushSeeking Alpha · sentiment 55 · Klaviyo, Inc. (KVYO) Presents at Citi's 2026 Global TMT Conference TranscriptSeeking Alpha · 55Klaviyo, Inc. (KVYO) Presents at Citi's 2026 Global TMT Conference TranscriptSeeking Alpha · sentiment 56 · Klaviyo, Inc. (KVYO) Presents at Goldman Sachs Communacopia + Technology Conference 2026 TranscriptSeeking Alpha · 56Klaviyo, Inc. (KVYO) Presents at Goldman Sachs Communacopia + Technology Conference 2026 …StockTitan · sentiment 56 · MNTN and Klaviyo Integrate Performance TV with CRMStockTitan · 56MNTN and Klaviyo Integrate Performance TV with CRMStockTitan · sentiment 63 · Klaviyo Goes Headless, Opening Its Platform to Agents and Marketers Wherever They WorkStockTitan · 63Klaviyo Goes Headless, Opening Its Platform to Agents and Marketers Wherever They WorkThe Fly · sentiment 56 · MNTN, Klaviyo announce new integration, brings Performance TV to email, textThe Fly · 56MNTN, Klaviyo announce new integration, brings Performance TV to email, textThe Fly · sentiment 56 · Klaviyo announces updates to CRM platformThe Fly · 56Klaviyo announces updates to CRM platformYahoo Top · sentiment 32 · Braze Sinks 12% as Soft Earnings Guide Overshadows Beat and Raise; Klaviyo Advances 3%Yahoo Top · 32Braze Sinks 12% as Soft Earnings Guide Overshadows Beat and Raise; Klaviyo Advances 3%
3d agoYahoo TopBEARISH 32Earnings

Braze Sinks 12% as Soft Earnings Guide Overshadows Beat and Raise; Klaviyo Advances 3%

Braze beat revenue estimates and raised its full-year outlook, yet its stock cratered while every peer in the sector held firm. One line in the earnings guide explains why investors are selling a growth story that looked strong on almost every other measure.

3d agoThe FlyBULLISH 56Product/PR

Klaviyo announces updates to CRM platform

3d agoThe FlyBULLISH 56Product/PR

MNTN, Klaviyo announce new integration, brings Performance TV to email, text

3d agoStockTitanBULLISH 63Product/PR

Klaviyo Goes Headless, Opening Its Platform to Agents and Marketers Wherever They Work

Klaviyo processes more than 4 billion signals a day; Customer Agent has exchanged 1.3 million messages, while SQL is in preview and voice is coming soon.

3d agoStockTitanBULLISH 56Product/PR

MNTN and Klaviyo Integrate Performance TV with CRM

4d agoSeeking AlphaBULLISH 56General

Klaviyo, Inc. (KVYO) Presents at Goldman Sachs Communacopia + Technology Conference 2026 Transcript

Klaviyo, Inc. (KVYO) Goldman Sachs Communacopia + Technology Conference 2026 September 8, 2026 1:50 PM EDTCompany ParticipantsLuciano Fernandez Gomez -...

4d agoSeeking AlphaBULLISH 55General

Klaviyo, Inc. (KVYO) Presents at Citi's 2026 Global TMT Conference Transcript

Klaviyo, Inc. (KVYO) Citi's 2026 Global TMT Conference September 8, 2026 8:50 AM EDTCompany ParticipantsEdward Hallen - Co-Founder & President of...

4d agoInvesting.com Analyst RatingsBULLISH 56Analyst

Citi reiterates Klaviyo stock rating on enterprise push

Citi reiterates Klaviyo stock rating on enterprise push

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More on KVYO: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier KVYO move explainers: 2026-09-09 · 2026-09-03 · 2026-09-02 · 2026-08-06