COST MEX Week ended 31 Jul 2026

Weekly Investor Report

Name: COST weekly investor report
Creator: Sharemaestro
License: https://sharemaestro.com/data-license/

Costco Wholesale Corporation · Consumer Defensive · Discount Stores

Open interactive chart View report data

Latest close 16,521 MXN

1.2% latest week

Weekly setup

Weak trend

The weekly trend is not active. Price is -3.4% below the Trend Line and sits at 34.9% of its 52-week range. The latest completed week returned 1.2%, after a -0.2% four-week move. The latest news-sentiment score is 53/100.

Setup score 41 out of 100

Latest Close 16,521 MXN 31 Jul 2026

1W Return 1.2% latest completed week

4W Return -0.2% short-term follow-through

12W Return -4.6% quarterly tape

Trend Breadth 23.1% 12 of 52 weeks active

Volume Ratio 1.4x vs 13-week average

What is working

Price is above Fair Value, showing premium demand versus the model.

What could go wrong

The trend backdrop is inactive, so price action has not confirmed a constructive regime.
Price is below the Trend Line, which keeps downside pressure in focus.
Activity pressure is negative, which weakens the current setup.
Next-week expectancy is negative at 44.01% based on similar historical setup states.

What to watch next

Trend Line remains the key weekly regime level.
Activity pressure is the gauge to monitor for confirmation or fade.
A volume ratio above 1.5x would show stronger participation in the next move.

Price follow-through 1.2% Latest completed week; four-week move -0.2%. Indicator stack 13/38 Trend and activity pressure are weighted against the latest 12-week confirmation window. Trend backdrop Active The trend backdrop defines the current weekly regime. Patient Capital Quiet Activity-pressure buy-signal status for institutional accumulation timing. Next-Week Expectancy Negative 44.01% Historical one-week expectancy contributes to the evidence score when direction is confirmed. News sentiment 53/100 21 relevant articles in the latest sentiment read.

01 · Price action

Where price is—and whether the trend supports it

The weekly trend is not active. Price is -3.4% below the Trend Line and sits at 34.9% of its 52-week range. The latest completed week returned 1.2%, after a -0.2% four-week move.

Study the full chart

52-week price path

Price vs Trend Line and Fair Value

Price Trend Line Fair Value

Position in the 52-week range

Close Trend Fair

15,167 MXN 34.9% 19,050 MXN

Range location34.9%Shows where the latest close sits between the 52-week low and high.

Trend distance-3.4%Price premium or discount versus the weekly Trend Line.

Fair-value gap3.6%Premium demand or model discount versus Sharemaestro Fair Value.

High-water gap-13.3%Distance from the latest 52-week high.

02 · Volume and demand

Is real participation confirming the move?

Latest weekly volume is 1.4x the 13-week average. Participation is around or above normal and provides reasonable confirmation.

26-week volume confirmation

Bar height shows volume; colour shows the weekly price direction

6 Feb 13 Feb 20 Feb 27 Feb 6 Mar 13 Mar 20 Mar 27 Mar 3 Apr 10 Apr 17 Apr 24 Apr 1 May 8 May 15 May 22 May 29 May 5 Jun 12 Jun 19 Jun 26 Jun 3 Jul 10 Jul 17 Jul 24 Jul 31 Jul

Up week Down week

Demand beneath price

Activity pressure and institutional-style signals

These indicators assess whether participation is improving beneath the headline price move. They are supporting evidence, not proof of institutional buying.

Activity pressure path

Latest 0.2812-week average 0.52

12-week confirmation

Trend active5/12Active trend-backdrop weeks in the latest 12-week window.

Positive pressure4/12Weeks with constructive activity pressure in the latest 12-week window.

Positive leadership0/12Weeks with positive relative leadership in the latest 12-week window.

Activity pressure0.28Current proprietary activity-pressure read.

Buy signals0Accumulation signal count in the latest 12 weeks.

Reversal markers0No reversal markers

No recent accumulation markers. No reversal markers.

03 · Momentum and leadership

Is performance persistent—and is the stock leading?

Performance is -0.2% over four weeks, -4.6% over 12 weeks, and -8.4% over one year. The current trend has remained active for 0 consecutive weeks.

Performance by holding period

1W1.2%

4W-0.2%

12W-4.6%

26W0.5%

52W-8.4%

Active trend streak0 weeks

Active weeks in one year12

Trend breadth23.1%

Activity pressure vs relative leadership

Activity pressureRelative leadership

Pressure-0.77Latest activity-pressure read.

Pressure change22.6%Four-week change in activity pressure.

Leadership-5.56Latest relative-leadership reading.

RS change25.2%Four-week change in relative leadership.

04 · Fundamentals and valuation

What investors are paying for—and the quality behind it

A published fundamentals and factor snapshot is not available for this company.

Open full factor analysis

No published fundamental snapshot is available for this company.

05 · Ownership, options, and sentiment

What other market participants are doing

Options, insider transactions, market sentiment, and activity-pressure signals can confirm or challenge the price story. None should be used alone.

Insider activity-

No recent insider transactions are stored for this company.

News sentiment53/100

Weighted news tone is neutral across 21 relevant articles.

3 positive · 17 neutral · 1 negative

Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal

06 · Catalysts and risk

What can move the shares—and how volatile the path has been

Event timing, options-implied movement, drawdown, and weekly return distribution frame the risk around the current setup.

Next earnings-No event is currently stored.

Options expected move-Nearest-chain priced movement where available.

52-week drawdown-13.3%Distance below the 52-week high.

13-week volatility2.9%Standard deviation of weekly returns.

Weekly gains and losses

Latest 26 completed weeks

Each bar is one week. Gains rise above the zero line; losses fall below it. Taller bars mean a larger weekly move.

6 Feb 6 Mar 3 Apr 1 May 29 May 26 Jun 31 Jul

Weeks higher14 of 2612 weeks finished lower.

Best week+4.9%Week of 15 May.

Worst week-6.3%Week of 29 May.

Latest week+1.2%Week of 31 Jul.

Shape of recent returns

Strong gains2

Modest gains12

Flat weeks0

Modest losses11

Sharp losses1

Recent vol2.9%13-week weekly-return volatility.

Base vol2.6%52-week weekly-return volatility.

Up/down split24/28Count of positive and negative weeks in the 52-week window.

Average skew2.1% / -2.0%Average positive week versus average negative week.

07 · Sector and peer context

Is this stock leading—or simply moving with its group?

Sector and industry breadth distinguish company-specific strength from a broad group move.

SectorMX Consumer Defensive

4-week rank30 / 53

Group average0.7%

Trend breadth34.0%

Trend34.0%active weekly trend signals

MD56.6%positive activity pressure

RS35.8%positive relative leadership

Four-week leaders

TALN · MEX34.5%AVO · MEX27.3%ADM · MEX10.8%SIGMAFA · MEX9.9%BIMBOA · MEX9.6%

IndustryMX Discount Stores

4-week rank4 / 6

Group average2.0%

Trend breadth33.3%

Trend33.3%active weekly trend signals

MD50.0%positive activity pressure

RS50.0%positive relative leadership

Four-week leaders

TGT · MEX9.5%DGG · MEX7.9%WALMEX · MEX0.1%COST · MEX-0.2%WMT · MEX-1.0%

08 · Evidence and weekly data

The underlying research record

Every top-level statement above should be traceable to a stored market, fundamental, event, or positioning observation.

Weekly tape38/100

Trend, activity pressure, participation, and risk combine to a 38/100 tape read.

Indicator analysis31/100

Latest 12-week confirmation: trend 5/12, activity pressure 4/12, relative leadership 0/12.

Activity pressure 0.28; No reversal markers Next-Week ExpectancyNegative 44.01%

Next-week expectancy is negative with a 44.01% historical one-week setup read.

Adds short-term historical context without overriding trend, activity, or relative leadership. Factors50/100

No published factor snapshot is available yet.

Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal Sentiment53/100

Weighted news tone is neutral across 21 relevant articles.

Costco (COST) Stock Still Looks Stretched Despite Its Off Grid Energy Move Insiders50/100

No recent insider transaction evidence is stored.

Earnings50/100

No stored earnings event is currently attached to this ticker.

Week	Close	Return	Trend Line	Fair Value	Pressure	Leadership	Volume	Trend
31 Jul 2026	16,521 MXN	1.2%	17,106 MXN	15,942 MXN	-0.77	-5.56	3.3K	Off
24 Jul 2026	16,330 MXN	-0.7%	17,065 MXN	15,897 MXN	-0.88	-6.36	454	Off
17 Jul 2026	16,451 MXN	3.0%	17,041 MXN	15,853 MXN	-0.86	-6.41	5.2K	Off
10 Jul 2026	15,975 MXN	-3.5%	17,003 MXN	15,808 MXN	-1.01	-9.40	4.1K	Off
3 Jul 2026	16,556 MXN	-0.6%	17,003 MXN	15,764 MXN	-1.00	-7.42	577	Off
26 Jun 2026	16,653 MXN	1.1%	16,993 MXN	15,715 MXN	-0.89	-7.58	29	Off
19 Jun 2026	16,464 MXN	-2.0%	16,988 MXN	15,666 MXN	-0.76	-9.78	0	Off
12 Jun 2026	16,795 MXN	-1.4%	16,996 MXN	15,619 MXN	-0.43	-8.88	171	On
5 Jun 2026	17,041 MXN	2.5%	17,001 MXN	15,568 MXN	0.05	-5.54	257	On
29 May 2026	16,624 MXN	-6.3%	17,000 MXN	15,516 MXN	0.26	-11.62	4.3K	On
22 May 2026	17,750 MXN	-2.3%	17,013 MXN	15,467 MXN	0.44	-6.00	2.1K	On
15 May 2026	18,167 MXN	4.9%	16,994 MXN	15,409 MXN	0.49	-3.77	10.1K	On
8 May 2026	17,315 MXN	-1.1%	16,962 MXN	15,349 MXN	0.32	-11.23	947	On
1 May 2026	17,514 MXN	-0.2%	16,959 MXN	15,295 MXN	0.46	-8.19	804	On

How to use this report

This is a completed-week research summary. It explains the available evidence and its conflicts; it does not predict a guaranteed outcome or replace your own risk assessment. Fundamental figures may refer to an earlier financial reporting period, which is shown above.