Costco Stock’s Medicare Pilot Targets a Pool Equal to 6% of Its Paid Member Base

Costco Stock’s Medicare Pilot Targets a Pool Equal to 6% of Its Paid Member Base

ISSAQUAH, Washington, August 23, 2026, 14:25 PDT

  • Costco and SCAN plan Medicare products for three U.S. markets covering about 5 million eligible people.
  • That potential pool equals roughly 6.0% of Costco’s 82.9 million paid members, but enrollment and financial terms remain undisclosed.
  • Costco shares ended Friday at $947.74, up 1.52%, after a volatile week.

Costco Wholesale Corporation is testing whether its membership trust can travel into Medicare. The retailer and nonprofit SCAN Group plan jointly branded Medicare Advantage and supplement products, pending regulatory approval. The first three markets contain about 5 million Medicare-eligible people.

Stock chart for NASDAQ:COST

The addressable pool equals 6.0% of Costco’s 82.9 million paid members. That is a useful scale marker, not an enrollment forecast. Neither company disclosed expected sign-ups, commissions or launch states.

The distinction matters. Federal rules prevent Costco from bundling insurance with warehouse membership. Investors should view the plan as ancillary-service optionality until conversion data appears.

Medicare pilot measureVerified detailInvestor read-through
Initial reachThree markets; about 5 million eligible peopleLarge test pool, not booked customers
ProductsMedicare Advantage and Medicare supplementPotential commission and service revenue
Sales channelsWarehouses, agents and onlineTests store traffic and digital conversion
StatusRegulatory approval pendingTiming and economics remain uncertain

Costco’s pharmacy site already features SCAN Medicare coverage. The proposed plans may include prescription, over-the-counter, vision and audiology benefits. These services fit Costco’s existing healthcare footprint.

Chief Executive Ron Vachris said the agreement should “create value for our members.” The phrase sets the right hurdle. A product that improves retention may matter more than near-term commission income. Yahoo Finance

Costco’s core engine is already strong. Third-quarter membership fees rose 10.7% to $1.373 billion. Paid memberships reached 82.9 million, while the U.S.-Canada renewal rate stood at 92.2%.

Operating measureLatest periodChange
July net sales$23.12 billion+10.7%
July total comparable salesAll markets+8.9%
July digitally enabled comparable salesOnline-related+17.7%
Q3 membership fees$1.373 billion+10.7%
Q3 diluted EPS$4.93+15.2%

July sales added another buffer. Net sales climbed 10.7% to $23.12 billion. Digitally enabled comparable sales rose 17.7%, nearly twice the companywide rate.

The stock still had a choppy week. It gained 1.52% Friday but finished 1.39% below its August 14 close. Friday volume ran about 29% above the prior four-session average.

SessionCloseDaily moveVolume
August 17$953.50-0.79%1.24 million
August 18$961.35+0.82%1.85 million
August 19$956.99-0.45%1.64 million
August 20$933.51-2.45%2.50 million
August 21$947.74+1.52%2.34 million

Wall Street remains positive, though the range is wide. The 39-analyst average target is $1,077, implying 13.7% upside. Targets span $740 to $1,315.

Recommendation measureCount or targetImplied move from $947.74
Strong Buy19 analysts
Buy4 analysts
Hold14 analysts
Sell / Strong Sell2 analysts
Average target$1,077+13.7%
Target range$740–$1,315-21.9% to +38.8%

Recent calls show the valuation debate. Evercore Inc. carries a $1,100 target. The Goldman Sachs Group, Inc. lists $1,159. Roth MKM’s $781 target reflects the downside case.

Next week’s question is simple: can management quantify the pilot without overpromising? Any detail on commissions, states or launch timing would help investors model the opportunity.

Risks: Approval delays, weak plan uptake or added operating costs could erase the pilot’s benefit. Costco’s premium valuation also leaves little room for slower core sales.

NASDAQ:COST · Weekend investor dashboard

Costco’s Medicare option meets a premium valuation

Market closed · Price data through August 21, 2026, 4:00 PM EDT · After-hours through 7:59 PM EDT
$947.74
+1.52% Friday
After hours: $947.33 · -0.04%
Five-session move-0.60%Aug. 17–21
Week vs Aug. 14-1.39%From $961.10
Est. market value~$420BPrice × latest shares
Forward P/E~46×Premium remains the hurdle
Five-session price path
$965$950$935 Aug 17Aug 18Aug 19Aug 20Aug 21
Why the stock is in focus
New optionality: Costco and SCAN plan Medicare products in three markets covering about 5 million eligible people. That pool equals roughly 6.0% of Costco’s 82.9 million paid members.
Core support: July sales rose 10.7%. Digitally enabled comparable sales gained 17.7%.
What is missing: States, launch dates, sign-ups and commission economics remain undisclosed. Regulatory approval is pending.
Core engine
July net sales
+10.7%
Digital comp
+17.7%
Q3 member fees
+10.7%
Q3 diluted EPS
+15.2%
Paid members: 82.9M · U.S./Canada renewal: 92.2% · Q3 membership fees: $1.373B
Analyst map
MeasureValueFrom $947.74
ConsensusBuy39 analysts
Average target$1,077+13.7%
Low target$740-21.9%
High target$1,315+38.8%
Bull case
Trust becomes a service platform

Medicare adds commission potential, store visits and another retention touchpoint. Strong sales and renewal rates fund the experiment.

Risk case
Optionality stays too small

Rules bar membership bundling. Weak conversion or delayed approval would leave investors paying roughly 46 times forward earnings for the core story alone.

Week-ahead watch
Regulatory timing Launch states Commission terms Enrollment conversion

The market needs numbers before treating Medicare as a material earnings driver.

Sources: MarketWatch, Costco Pharmacy, Costco July sales, Costco Q3 results, StockAnalysis history and analyst forecast. Calculations use published figures and may differ slightly due to rounding.
Michał Rogucki

Michał Rogucki is a senior markets reporter at TS2.tech. His coverage ranges from stocks and technology to economic developments affecting global markets. He graduated from Humboldt University of Berlin and worked in investment research and market analysis before becoming a financial journalist.

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