NYSE: KVYO

Klaviyo, Inc. Series A (KVYO) Stock Analysis & Forecast

Sep 28 close

$15.40−0.40 (−2.5%)

Gekko Brief

AI summary

This week's move for Klaviyo (KVYO) comes against a backdrop of a Rule 10b5-1 insider sale, with director and 10% owner Ed Hallen reporting the sale of 1,300 Series A shares at a weighted-average $17.02, executed under a trading plan established on June 1, 2026. Beyond that filing, the stock continues to trade well below its prior highs after last quarter's results showed Klaviyo reaching roughly a $1.5 billion annualized revenue run rate with 26% year-over-year quarterly revenue growth, alongside its largest-ever eight-figure multiproduct deal and a customer base surpassing 205,000 brands.

KVYO closes at $15.40, down 2.5% on the day, sitting below both its 50-day average of $17.67 and 200-day average of $19.48, with the 50-day itself below the 200-day. The GekkoIndex reads 65.1, placing the stock in the Accumulation zone, while the current price sits 36.7% below the Gekko Fair Value of $24.31.

Over the next 20 trading days, the next earnings report is due 4 November 2026, after the close, falling outside that window. In the last 30 days, one unusual options signal has been recorded, with call premium of $353,970 against no put premium. Seasonality over the past 3 years shows an average 20-day return of -6.9% from this point in the calendar, positive in only 1 of those years, a pattern worth noting alongside the upcoming report.

Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.

Klaviyo, Inc. Series A price vs fair value

$24.31$15.40Sep ’25Mar ’26Sep ’26
Close $15.40200-day averageGekko Fair Value $24.31

Klaviyo, Inc. Series A quick facts

Market cap
$4.61B
P/E ratio
537
Forward P/E
15.5
EPS, TTM
$0.03
Revenue, TTM
$1.39B
Profit margin
0.5%
Dividend yield
—
Beta
0.57
Volume
8.83M avg 6.68M
1-year return
−52.6%
Typical daily move
±5.9%
Typical 20-day move
±9.5%
50-day average
$17.67
200-day average
$19.48
Next earnings
Nov 4 after close
Shares outstanding
126.9M
52-week range
$12.53$33.35

Klaviyo, Inc. Series A swing-trade checklist

Klaviyo, Inc. Series A scores 4 supportive, 0 mixed and 2 headwinds across the 6 checklist items with data.

Six things swing traders check before a 20-day hold, read from the latest data.

4 supportive0 mixed2 headwinds

  • Trendheadwind

    Below 50 and 200-day

    Close $15.40 is below the 50-day ($17.67) and 200-day ($19.48) averages, and the 50-day is below the 200-day.

    See the chart
  • GekkoIndexsupportive

    65.1, Accumulation

    Reading 65.1 is in the Accumulation zone.

    See the GekkoIndex
  • Fair valuesupportive

    36.7% below

    Price is 36.7% below Gekko Fair Value (more than 5% below).

    See fair value
  • Smart moneysupportive

    Leans bullish

    Last 30 days: 1 unusual options signal.

    See smart money
  • Earnings risksupportive

    Reports in 36 days

    Next report Nov 4, 2026, 36 days away — outside a typical 20-trading-day hold.

    See earnings
  • Seasonalityheadwind

    −6.9% on average

    From this point in the calendar, the next 20 trading days averaged −6.9% over 3 years, rising in 1 of them.

    See seasonality

A description of current data, not a recommendation. How this page works

Klaviyo, Inc. Series A stock chart and price history

Klaviyo, Inc. Series A closed at $15.40 on Sep 28, 2026, −52.6% over the past year, inside a 52-week range of $12.53 to $33.35.

Close50-day average200-day averageVolume
Klaviyo, Inc. Series A share price, past year, with 50-day and 200-day moving averages and volume$20$25$30$35NovDecJan 2026FebMarAprMayJunJulAugSep15.40

Use the left and right arrow keys to read daily values.

Performance Breakdown

1 month
−21.5%
3 months
+3.1%
6 months
−17.5%
1 year
−52.6%
The full KVYO chart adds GekkoIndex, insider, options, Congress and hedge fund markers, plus TrendCandles™.Open KVYO in Gekko

Follow Klaviyo, Inc. Series A through every session

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About Klaviyo, Inc. Series A

Klaviyo provides a cloud-based marketing automation platform that helps businesses reach customers through targeted email, text messages, and push notifications. The platform is designed to support personalized outreach, and it is best known for this core marketing product that ties together messaging across multiple channels.

The company's offerings include tools for email campaigns that track clicks and purchases to help refine marketing efforts, an SMS service aimed at supporting online retail growth and customer retention, and a mobile push feature that delivers alerts directly to lock screens. It also offers a review collection tool for gathering product feedback and a customer data platform built to store, analyze, and make use of large volumes of customer information. Klaviyo serves a range of customers, from individual users to small and medium-sized businesses and larger enterprises, with a presence across North America, Western Europe, the United Kingdom, Australia, and New Zealand.

The company was founded in 2012 and is headquartered in Boston, Massachusetts. Its shares are listed on the NYSE under the ticker KVYO.

Listed
NYSE
Sector
Technology services
Industry
Packaged software
Website
klaviyo.com

Klaviyo, Inc. Series A GekkoIndex: the smart money zone

Klaviyo, Inc. Series A’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 65.1, in the Accumulation zone, down 1.9 points over five sessions.

010065.1Accumulation

Down 1.9 points over five sessions.

Reading for Sep 28, 2026

What followed past readings in each zone

ZoneReadings5 days10 days20 days50 days
Buying42+1.3%+2.4%+6.3%+10.9%
Accumulation (current zone)241+0.5%+1.1%+0.9%+3.6%
Neutral347−0.3%−0.7%−0.8%−4.0%
Distribution39−0.8%−2.5%−6.9%−8.5%
Selling3Too few readings yet

Average KVYO share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.3% over 20 days. Past behaviour doesn’t guarantee future results.

Accumulation zone: Institutional interest building. About the five zones →

See every daily GekkoIndex reading plotted over the KVYO price, zone by zone.Track KVYO in Gekko

Is Klaviyo, Inc. Series A stock overvalued? Gekko Fair Value

Klaviyo, Inc. Series A trades 36.7% below Gekko Fair Value of $24.31, so the shares are undervalued on Gekko’s estimate.

Gekko’s own estimate of what Klaviyo, Inc. Series A shares are worth, recalculated every trading day.

$24.31

Gekko Fair Value, Sep 26, 2026

36.7% Undervalued

How Gekko Fair Value works →

Gekko Fair Value on every chart, with the gap to price updating daily.Open KVYO in Gekko

Klaviyo, Inc. Series A insider and Congress trading

No open-market insider purchases were filed for Klaviyo, Inc. Series A, and no Congress trades were disclosed, in the last 90 days.

Plus buybacks, unusual options and fund positions, each dated to when it became public.

Insider buying last 90 days

No open-market insider purchases were filed for KVYO in the last 90 days.

From Form 4 filings, dated to when each was filed.

Every KVYO insider filing, plotted on the chart in Gekko.Open KVYO in Gekko

Congress trades last 90 days

No trades in KVYO were disclosed by members of Congress in the last 90 days.

From congressional disclosures, which report amounts as ranges.

Congress disclosures for KVYO, plotted on the chart in Gekko.Open KVYO in Gekko

Buybacks

Klaviyo, Inc. Series A has been buying back its own shares.

Latest authorization
$500.0M, May 5, 2026
Bought back, quarter ended Jun 30, 2026
$233.6M
As a share of market cap
5.07%

From company filings.

Unusual options activity last 30 days

1signal, 100% of the flagged premium in calls.

Latest: Bullish flow on Sep 29, $354K in unusual premium.

Hedge funds and billionaires quarter ended Jun 30

3of the funds Gekko tracks hold KVYO.

0added2opened1trimmed1sold out
Every signal with its contract, strike and premium, and which funds are on each side.Unlock in Gekko

Klaviyo, Inc. Series A earnings: next date and track record

Klaviyo, Inc. Series A reports on Nov 4, 2026, after the close (36 days away), and beat the EPS estimate in 6 of its last 8 reports.

6 of 8reports beat the EPS estimate
±12.3%average move across the report
4 of 8reports followed by a gain

Share-price move across each report

−13.4%Nov ’24−6.4%Feb ’25+7.2%May ’25+15.5%Aug ’25+10.8%Nov ’25+3.3%Feb ’26−29.6%May ’26−12.4%Aug ’26

Last earnings call, Aug 5, 2026 AI summary

What they said
Klaviyo reached ~$1.5B annualized revenue run rate with 26% YoY quarterly revenue growth. The company signed its largest-ever 8-figure multiproduct deal and surpassed 205,000 brand customers. Data/analytics products grew ARR over 100% YoY. The AI Composer agent launched to all customers in June, gaining 95,000 users with ~25% becoming weekly recurring users. Multichannel campaigns rose ~50% QoQ.
Guidance
No explicit forward-looking financial targets or guidance figures were provided in this transcript excerpt. Management signaled continued investment in AI agents, autonomous B2C CRM infrastructure, and enterprise expansion as key strategic growth drivers.
ReportedEPSSurpriseRevenueSurpriseMove
Aug 5, 2026$0.01
est $0.04
−75.0%$370.6M
est $362.1M
+2.3%−12.4%
May 5, 2026$0.22
est $0.20
+11.2%$358.0M
est $348.6M
+2.7%−29.6%
Feb 10, 2026$0.19
est $0.15
+26.7%$350.2M
est $334.0M
+4.9%+3.3%
Nov 5, 2025$0.18
est $0.14
+28.9%$310.9M
est $300.4M
+3.5%+10.8%
Aug 5, 2025$0.16
est $0.13
+23.1%$293.1M
est $278.7M
+5.2%+15.5%
May 6, 2025$0.14
est $0.12
+16.7%$279.8M
est $267.9M
+4.4%+7.2%
Feb 19, 2025$0.07
est $0.12
−41.7%$270.2M
est $264.7M
+2.1%−6.4%
Nov 6, 2024$0.15
est $0.09
+66.7%$235.1M
est $226.3M
+3.9%−13.4%

“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.

Klaviyo, Inc. Series A stock forecast and analyst price targets

Analysts’ average 12-month price target for Klaviyo, Inc. Series A is $26.65, +73.1% from the last close, from 19 firms rating the stock in the last 90 days.

$26.65consensus 12-month target, +73.1% from the last close
Low $21High $36
Buy18
Hold1
Sell0

Each firm’s latest rating in the last 90 days: 19 firms.

Latest analyst actions

DateFirmRatingTargetvs price
Sep 11Wells FargoBuy, maintained$22+42.9%
Sep 11Truist FinancialBuy, reiterated$30+94.8%
Sep 11Canaccord GenuityBuy, maintained$29+88.3%
Sep 10BarclaysBuy, maintained$22+42.9%
Sep 10William BlairBuy, reiterated——
+0.9%average 20-day move after past Accumulation readings
−6.9%average move over the next 20 trading days in the last 3 years
±5.9%typical daily move, from the 14-day average range

Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.

Klaviyo, Inc. Series A seasonality: the next 20 trading days

Over the next 20 trading days from Sep 26, Klaviyo, Inc. Series A averaged −6.9% across the last 3 years, rising in 1 of them.

Next 20 trading days, by year

−14.6%2023+9.9%2024−17.1%2025

Average move and hit rate

WindowAverageYears higher
Next 5 trading days−8.6%1 of 3
Next 10 trading days−6.0%2 of 3
Next 15 trading days−7.6%1 of 3
Next 20 trading days−6.9%1 of 3
Next 30 trading days+2.9%1 of 3

For scale, KVYO’s typical 20-trading-day move in either direction is about 9.5%.

Klaviyo, Inc. Series A market cap and key statistics

Klaviyo, Inc. Series A’s market cap is $4.61B, with a P/E ratio of 537 and revenue of $1.39B over the last twelve months.

Valuation

Market cap
$4.61B
P/E ratio
537
Forward P/E
15.5
EPS, TTM
$0.03
Gekko Fair Value
$24.31

Trading

Volume
8.83M
Avg volume, 20 days
6.68M
52-week high
$33.35
52-week low
$12.53
Shares outstanding
126.9M

Financials

Revenue, TTM
$1.39B
Profit margin
0.5%
Return on equity
0.7%
Quarterly earnings growth, YoY
0.0%

Risk and income

Beta
0.57
Typical daily move
±5.9%
Typical 20-day move
±9.5%

Klaviyo, Inc. Series A stock news this week

1 headline about Klaviyo, Inc. Series A from the past week, newest first, each linking to the publisher.

Klaviyo, Inc. Series A peers

Klaviyo, Inc. Series A’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.

StockTodayGekkoIndex zonevs Fair Value
MSFTMicrosoft+0.7%Neutral17.3% above
PLTRPalantir Technologies+0.7%Neutral15.7% above
ORCLOracle−0.1%Accumulation25.9% below
PANWPalo Alto Networks+5.8%Neutral16.1% above
CRWDCrowdStrike+4.2%Neutral27.2% above
CRMSalesforce+1.0%Neutral5.9% below

A peer links to its own page where one exists.

In the Buying zone today

Reporting earnings this week

Popular on Gekko

Klaviyo, Inc. Series A stock FAQ

What is Klaviyo, Inc. Series A’s market cap?

Klaviyo, Inc. Series A’s market cap is $4.61B at the Sep 28, 2026 close of $15.40, with 126.9M shares outstanding. The shares trade on a P/E ratio of 537.

What is the Klaviyo, Inc. Series A stock forecast?

The consensus analyst 12-month price target for Klaviyo, Inc. Series A is $26.65, +73.1% from the last close. Of the 19 firms that rated the stock in the last 90 days, 18 rate it a buy, 1 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.

Is Klaviyo, Inc. Series A stock overvalued or undervalued?

On Gekko’s estimate Klaviyo, Inc. Series A is undervalued: the Sep 28, 2026 close of $15.40 is 36.7% below Gekko Fair Value of $24.31. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.

When does Klaviyo, Inc. Series A report earnings next?

Klaviyo, Inc. Series A is expected to report on Nov 4, 2026, after the market closes (36 days away). Analysts expect earnings of $0.18 per share on revenue of $379.9M. Klaviyo, Inc. Series A beat the earnings estimate in 6 of its last 8 reports, moving 12.3% on average across the report.

What is Klaviyo, Inc. Series A’s 52-week high and low?

Klaviyo, Inc. Series A’s 52-week high is $33.35 and its 52-week low is $12.53; it closed at $15.40 on Sep 28, 2026, −52.6% over the past year. Over the last five years the shares peaked at $49.55 on Feb 11, 2025.

Is Klaviyo, Inc. Series A stock a buy right now?

Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 4 of the 6 items with data read as supportive (gekkoindex, fair value, smart money and earnings risk) and 2 as headwinds (trend and seasonality). The checklist is a description of current data, not a recommendation.

Is there unusual options activity in Klaviyo, Inc. Series A?

Gekko flagged 1 unusual options signal in Klaviyo, Inc. Series A over the last 30 days, with $354K of flagged premium in calls and $0 in puts. The latest, bullish flow, was on Sep 29, 2026 with $354K in unusual premium. The signal-by-signal table is in Gekko.

How this page works

During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →

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