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Why Costco stock is tanking today

By Wealth Awesome -

This move is archived. Current quotes and coverage live on the stock page.

Stocks & ETFs:COST.US

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Costco's stock has experienced a notable decline, raising concerns among investors about its future performance.

Costco Wholesale Corp (COST) is facing significant headwinds as its stock price fell by 1.27% in today’s session, closing at CA$907.25. This marks a continuation of a troubling trend for the retail giant, which has seen its shares drop by 8.4% over the past six months, underperforming the S&P 500's 14.2% gain during the same period.

Investor takeaway: Investors should be cautious as Costco's recent performance raises questions about its growth trajectory and competitive positioning in the retail sector.

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Costco Wholesale Corp

COST.US

Full stock page →

COST.US

Costco Wholesale Corp

Source:WealthAwesomeWealthAwesome
↓ $16.97 (-1.71%)
120 day period
$893.74$993.16$1092.58Apr 27Jul 23Oct 15

Market cap

$433.38B

P/E

46.0x

Div. yield

0.56%

Div. / share

$5.54

52W high

$1094.76

52W low

$840.35

1W change

+3.17%

Beta

0.87

Analyst Price Targets

Based on 39 analysts covering COST · as of Oct 12, 2026

📈

Wall Street analysts forecast COST stock price to rise 2344.2% over the next 12 months.

Consensus

Buy

4.05 / 5.00

Avg. Target

C$1060.80

+2344.2% Upside

Previously C$1057.94 on Oct 5, 2026

Current Price

C$43.40

Last close

Analyst Breakdown (39 analysts)

Strong Buy 20
Buy 4
Hold 13
Sell 1
Strong Sell 1
Compare analyst targets →

Targets are snapshotted when they change. Unchanged figures keep their original date. Not financial advice.

Wealth Awesome Price Forecast

WA Model

Statistical 90-day price range based on COST's historical volatility

HistoricalForecast68%95%
C$839.01C$939.73C$1040.45C$1141.18C$1241.90C$1342.63TodayJun 9Aug 13Oct 15Nov 27Jan 10Feb 22

30-Day Vol

17.2%

Annualized

90-Day Vol

19.8%

Annualized

Trend (90d)

+23.0%

Annualized drift

90d Mean

C$1061.83

Expected price

HorizonExpected68% Range (1σ)
30 trading daysC$1005.19C$947.41 – C$1066.49
60 trading daysC$1033.12C$950.15 – C$1123.34
90 trading daysC$1061.83C$958.35 – C$1176.49

Methodology: Range is calculated using 30-day realized volatility via geometric Brownian motion (log-normal model). 68% band = ±1σ, 95% band = ±2σ. This is a statistical model, not a prediction. Past volatility does not guarantee future results. Not financial advice.

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Costco Shares Drop 1.27% Today

The stock's decline reflects broader concerns about Costco's ability to maintain its growth amid rising operational costs and competitive pressures.

Bull case

Costco's strong same-store sales growth and e-commerce momentum suggest there’s potential for recovery. If the company can effectively tackle its growth challenges, it might bounce back.

Bear case

However, Costco's long-term revenue growth has disappointed. Current market pressures, including rising fuel costs and competitive dynamics, could further hinder its performance.

Recent Performance and Market Context

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Costco's stock has faced a notable decline, closing down 1.27% today at CA$907.25. Over the past six months, the stock has lost 8.4%, contrasting sharply with the S&P 500's impressive 14.2% gain. This underperformance has raised concerns among investors about Costco's ability to sustain its growth in a competitive retail landscape.

Challenges Ahead

Several factors contribute to Costco's current struggles. The company's long-term revenue growth has been lackluster, with a 7.6% annualized growth rate over the past three years, which falls short compared to its peers. Additionally, rising fuel costs are expected to pressure gross margins, complicating its financial outlook. Investors are left wondering how Costco will navigate these challenges moving forward.

Looking Forward

Despite the current downturn, Costco's strong same-store sales growth and momentum in e-commerce could provide a pathway for recovery. However, the company must address its growth limitations and adapt to the evolving retail environment to regain investor confidence and drive stock performance.

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Wealth Awesome
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Wealth Awesome

Timely coverage of Canadian stocks, earnings, dividends, and market movers for DIY investors. Stories are checked against exchange data and public filings.

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✅ Reviewed by Certified Financial Professionals

This content has been reviewed by CFA® charterholders and Certified Financial Planners (CFP®) with over a decade of experience in Canadian financial markets. All information is fact-checked against official Canadian sources and regulations.

Why these credentials matter: CFA® charterholders complete 900+ hours of rigorous study in investment analysis and ethics. CFP® professionals are held to the highest standards of financial planning competency and fiduciary duty in Canada.

📊 Data AccuracyVerified sources
🇨🇦 Canadian FocusLocal expertise
🔍 Fact-CheckedEditorial review

⚠️ Professional Disclaimer

This content is for educational purposes only and should not be considered personalized financial advice. While our team brings professional expertise, individual circumstances vary. For personalized guidance, consult with a qualified financial advisor, tax professional, or mortgage specialist.

Published: September 15, 2026
Last Updated: September 15, 2026

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