This COST Stock Forecast article was written by Fu Kang Wong – Financial Analyst at I Know First.

(Source:finance.yahoo.com)

Highlights

• Strong fundamentals, but 43.0x forward P/E leaves little margin for disappointment.
• $315/share intrinsic value based on DCF versus approximately $928 market price.
• Multiple valuation confirms downside and peer-based values reinforce our Sell recommendation.

Overview

Costco Wholesale Corporation is one of the world’s largest membership-based retailers, operating a global network of warehouse clubs primarily across the United States, Canada, and other international markets. Costco differentiates itself from traditional retailers through a low-price, high-volume business model, offering a relatively limited selection of products in bulk quantities at highly competitive prices. Its product mix spans groceries, household goods, electronics, apparel, appliances, gasoline, pharmacy, optical services, and other ancillary businesses. The company also operates a growing e-commerce platform and its Kirkland Signature private-label brand, which strengthens customer loyalty while providing attractive value to members.

A key competitive advantage is Costco’s membership-based revenue model, under which customers pay annual fees for access to its warehouses and services. Membership fees provide a recurring and relatively stable source of high-margin revenue, allowing Costco to maintain low merchandise markups while still generating strong profitability and cash flow. The combination of high membership renewal rates, strong brand loyalty, significant purchasing scale, rapid inventory turnover, and continued warehouse expansion has supported consistent long-term growth. Going forward, Costco’s growth opportunities are centered on new warehouse openings, international expansion, e-commerce development, and continued membership growth, positioning the company to maintain its strong competitive position within the global retail industry.

COST Stock Forecast: Financial Results

Source: Capital IQ, FY 2025 Data
(Figure 1: COST vs. Peers for profitability margins and debt structure)

Costco’s profitability profile reflects its high-volume, low-margin business model, with margins consistently below the peer average. The company’s LTM gross margin of approximately 12.5% compares with roughly 26.5% for peers, while EBITDA, EBIT, and net income margins also trail their respective peer averages. However, these lower margins are characteristic of Costco’s strategy rather than necessarily an indication of operating weakness. The company deliberately maintains competitive merchandise pricing to drive high sales volumes and customer loyalty, while its recurring membership-fee revenue provides an important source of profitability. As a result, Costco can generate strong earnings and cash flow despite operating at substantially thinner margins than traditional retailers.

From a capital structure perspective, Costco employs more debt relative to total capital than its peers, with total debt-to-capital of approximately 20% compared with 10% for the peer group. However, its total debt-to-EBITDA ratio of roughly 0.60x is only modestly above the peer average of 0.56x, indicating that Costco maintains substantial earnings capacity relative to its debt obligations. Overall, the comparison highlights a company with lower accounting margins but a manageable financial risk profile. Costco’s ability to sustain this model through high inventory turnover, membership retention, and consistent revenue growth supports a premium-quality business profile, although these strengths should be considered against the significant valuation premium embedded in its current share price.

Source: Capital IQ, FY2021 to FY2025 Data
(Figure 2: FY2021 to FY2025 COST’s Inventory Turnover)

Costco’s inventory turnover remained exceptionally strong from 2021 through 2025, consistently exceeding 12 times per year, reflecting the efficiency of its high-volume warehouse model. Turnover declined moderately from 12.9x in 2021 to 12.3x in 2023, suggesting a temporary slowdown in inventory movement following the unusually strong consumer demand and supply-chain conditions surrounding the pandemic period. However, the ratio subsequently recovered to 12.6x in 2024 and reached a five-year high of 13.1x in 2025, indicating improved inventory management and strong merchandise demand.

The upward trend since 2023 is particularly supportive of Costco’s operating model and valuation thesis. Faster inventory turnover allows the company to convert inventory into sales more quickly, reduce holding costs, and limit capital tied up in working capital, helping offset its relatively thin merchandise margins. Combined with Costco’s purchasing scale and membership-driven customer traffic, the improvement to 13.1x demonstrates strong operating efficiency and supports continued cash-flow generation as the company expands its warehouse network.

Source: Capital IQ, FY2021 to FY2025 Data
(Figure 3: FY2021 to FY2025 COST’s Accounts Receivable Turnover)

Costco’s accounts receivable turnover has declined consistently over the past five years, falling from 116.87x in 2021 to 92.92x in 2025. The decline indicates that receivables have grown faster than revenue, resulting in a modest reduction in collection efficiency. However, Costco’s turnover remains exceptionally high, reflecting the company’s predominantly cash-and-card retail business model, where most customer transactions are settled immediately rather than generating traditional trade receivables.

Despite the downward trend, accounts receivable does not appear to represent a significant liquidity concern for Costco. A turnover of 92.92x corresponds to an average collection period of only approximately 3.9 days, compared with roughly 3.1 days in 2021. Therefore, while the trend should be monitored, Costco continues to convert receivables into cash extremely quickly. Combined with its strong inventory turnover, this supports Costco’s efficient working-capital management and ability to generate cash from its core operations.

Source: Capital IQ, FY2021 to FY2025 Data
(Figure 4: FY2021 to FY2025 COST’s Debt-to-Equity Ratio)

Costco’s debt-to-equity ratio has declined substantially over the past five years, falling from 63.1% in 2021 to 34.1% in 2025. After decreasing to 42.0% in 2023 and remaining relatively stable in 2024, the ratio declined further in 2025. This trend indicates that Costco has become less reliant on debt financing relative to shareholders’ equity, strengthening its capital structure as the company continues to generate earnings and build equity.

The declining leverage also supports Costco’s overall financial flexibility and relatively low credit risk. With debt representing a smaller proportion of its capital structure, the company has greater capacity to fund warehouse expansion, capital expenditures, and other strategic investments without taking on excessive financial risk. This conservative leverage profile is particularly supportive of Costco’s valuation because it reduces exposure to interest-rate and refinancing risks while providing additional borrowing capacity if attractive investment opportunities arise.

COST Stock Forecast: Future Business Outlook

Costco’s future business outlook remains strong, supported by continued comparable-sales growth, warehouse expansion, membership revenue, and rapid growth in digital sales. Through the first 44 weeks of fiscal 2026, net sales increased 10.1% year over year to $250.4 billion, while adjusted comparable sales increased 6.7%. Digital momentum has been particularly strong, with digitally enabled comparable sales increasing approximately 21%, providing Costco with an additional growth channel alongside its traditional warehouse model. The company has also continued expanding its physical footprint, reaching 933 warehouses globally as of July 2026, up from 923 at the beginning of fiscal 2026, with significant long-term opportunities remaining in international markets.

Looking forward, Costco is well positioned to benefit from its membership-based model, strong customer loyalty, purchasing scale, and efficient inventory management. Membership fees provide a recurring, high-margin revenue stream that complements Costco’s deliberately low merchandise margins, while continued warehouse openings and international penetration should support long-term revenue growth. Risks remain from wage and merchandise cost inflation, foreign-exchange movements, competitive pressure, and the capital expenditures required to support expansion. From a valuation perspective, Costco’s strong growth outlook and durable competitive advantages support a premium relative to traditional retailers; however, the company’s high market valuation leaves limited room for operating underperformance, making sustained earnings and cash-flow growth critical to supporting its current valuation.

COST Stock Forecast: Discounted Cash Flow Model (DCF)

Source: COST  Stock Valuation Model
(Figure 5: Discounted Cash Flow Valuation Summary & Sensitivity Analysis)

Using Costco’s historical financial performance and FY2025 results, we developed a five-year forecast from 2026 through 2030 to estimate the company’s intrinsic value using a discounted cash flow (DCF) model. Revenue projections for 2026 and 2027 are based on analyst consensus estimates of approximately $301.4 billion and $325.9 billion, respectively. For the remaining forecast period, revenue growth is modeled by geographic segment using historical arithmetic averages, with annual growth assumptions of approximately 9% for the United States, 8% for Canada, and 8.9% for Other International operations. Operating expenses are projected primarily using historical relationships to revenue, while capital expenditures are modeled separately across land, buildings and improvements, equipment and fixtures, and construction in progress. Depreciation is estimated using a straight-line approach based on the assumed useful lives of the underlying assets. The model also incorporates Costco’s scheduled debt repayments, a 25% tax rate, and historical working-capital relationships to forecast free cash flow.

The DCF applies a 9.27% WACC and 4.0% perpetual growth rate, resulting in an estimated enterprise value of approximately $149.8 billion, equity value of $139.8 billion, and implied value of approximately $315 per share. This is substantially below Costco’s market price of $927.99 as of July 22, 2026, supporting a Sell recommendation based on the model. A major contributor to the valuation gap is the relatively high discount rate: Costco’s distant cash flows and terminal value are heavily discounted at a 9.27% WACC. The sensitivity analysis illustrates this effect clearly. Holding terminal growth at 4%, the estimated value increases from $271 per share at a 10.0% WACC to $334 at 9.0%, $377 at 8.5%, and $429 at 8.0%. Even under the more optimistic combination of an 8.0% WACC and 5.0% terminal growth rate, the model produces an estimated value of only $566 per share, still substantially below the current market price. Therefore, the valuation gap cannot be explained by the WACC alone; Costco’s current share price appears to incorporate expectations for growth, profitability, and long-term cash-flow generation considerably above those reflected in our fundamental assumptions.

COST Stock Forecast: Multiples Valuation

Source: COST  Stock Valuation Model, Capital IQ
(Figure 6: COST Multiples Valuation Summary)

The comparable-company analysis further supports our Sell recommendation, as Costco trades at a substantial premium to its peer group across all three valuation multiples. Costco currently trades at approximately 42.97x forward P/E, compared with a peer average of 24.02x, and 25.99x forward EV/EBITDA, nearly double the peer average of 13.39x. Its forward EV/Revenue multiple of 1.27x is also above the peer average of 1.13x, although the premium is considerably smaller. Applying the peer-group multiples to Costco’s projected financial performance produces implied values of approximately $443 per share using P/E, $335 using EV/EBITDA, and $746 using EV/Revenue. All three estimates remain below the current market price of approximately $928 per share.

The relative valuation reinforces the conclusion from our DCF analysis that the market is assigning Costco a significant premium for its membership model, recurring fee income, strong customer retention, operating efficiency, and consistent growth. While these characteristics justify some premium relative to traditional retailers, Costco’s particularly large P/E and EV/EBITDA premiums suggest that substantial future growth is already embedded in the share price. Even the highest comparable-company valuation of $746 per share implies approximately 20% downside, while the earnings- and EBITDA-based approaches indicate considerably greater downside. Combined with our DCF estimate of approximately $315 per share, the results suggest that Costco’s strong business fundamentals are already more than reflected in its current valuation, further supporting our Sell recommendation.

Source: COST  Stock Valuation Model, Capital IQ
(Figure 7: COST Multiples Comparison with Peers)

Costco trades at a substantial premium to nearly every comparable retailer, particularly on earnings and EBITDA-based multiples. Its 43.0x NTM P/E is more than twice the multiples of Target (16.3x), BJ’s Wholesale (20.2x), Dollar General (16.7x), and Dollar Tree (17.6x), and almost four times Kroger’s 11.2x. A similar premium is evident in EV/EBITDA, where Costco trades at 26.0x, compared with a peer range of only 7.0x–12.0x. The premium reflects Costco’s stronger competitive positioning, recurring membership-fee revenue, high customer retention, efficient inventory turnover, and consistent growth profile. Nevertheless, the magnitude of the premium indicates that investors are already pricing in significant future earnings growth and continued operational outperformance.

The difference is less pronounced on an EV/Revenue basis, with Costco trading at 1.3x, compared with 0.4x for Kroger, 0.6x for BJ’s, 0.7x for Target, 0.9x for Dollar General, and 1.5x for Dollar Tree. This contrast is important: Costco’s revenue multiple is relatively close to peers, while its EBITDA and earnings multiples are dramatically higher. Given Costco’s low-margin business model, investors are effectively paying a much larger premium for each dollar of EBITDA and net income rather than simply for its sales base. While Costco’s superior business quality warrants a premium, the 26.0x EV/EBITDA and 43.0x P/E multiples leave little margin for disappointment. This supports our valuation conclusion that Costco’s strong fundamentals are already heavily reflected in its market price and reinforces the Sell recommendation.

COST Stock Forecast: Analysts’ Consensus

Source: Bloomberg LLP
(Figure 8: Analyst Recommendations for COST as of 7/20/2026)

Wall Street sentiment toward Costco remains considerably more positive than our valuation. As of July 20, 2026, Bloomberg reports a consensus rating of 4.16, with 27 Buy, 15 Hold, and only 1 Sell recommendation, meaning approximately 62.8% of analysts rate Costco a Buy. The consensus 12-month target price of approximately $1,094 represents roughly 15.9% upside from the $943.80 price shown in the Bloomberg data. Individual targets also remain elevated, with several analysts forecasting prices of $1,100 or higher, demonstrating continued confidence in Costco’s growth prospects, membership model, and competitive position.

Our analysis reaches a substantially more conservative conclusion. The $315 DCF valuation and peer-based estimates of $335–$746 per share all fall well below both Costco’s market price and the analyst consensus target. This divergence primarily reflects the market’s willingness to assign Costco a significant premium for its recurring membership revenue, strong customer loyalty, operating consistency, and long-term growth potential. However, with Costco trading at approximately 43.0x forward earnings and 26.0x forward EBITDA, our analysis suggests that these strengths are already more than reflected in the share price. Even under more favorable WACC and terminal-growth assumptions, our DCF remains materially below the market valuation. Therefore, despite the predominantly bullish analyst consensus, our fundamental and relative valuation analyses indicate an unfavorable risk-reward profile at current levels, supporting our Sell recommendation.

COST Stock Forecast: Conclusion

Costco remains a high-quality business with strong long-term fundamentals, supported by its membership-based model, exceptional customer loyalty, efficient inventory management, global expansion opportunities, and consistent revenue growth. However, our analysis indicates a significant disconnect between the strength of the underlying business and its current market valuation. Our DCF produces an intrinsic value of approximately $315 per share, substantially below the current market price of roughly $928. Sensitivity analysis confirms that even under more favorable WACC and terminal-growth assumptions, the estimated intrinsic value remains materially below the current share price.

The relative valuation provides additional support for this conclusion. Costco trades at approximately 43.0x forward P/E and 26.0x forward EV/EBITDA, significantly above peer averages of 24.0x and 13.4x, respectively. Applying comparable-company multiples results in implied values ranging from approximately $335 to $746 per share, all below the current market price. While the majority of analysts remain bullish and the consensus price target implies additional upside, our analysis suggests that Costco’s competitive advantages and future growth expectations are already aggressively priced into the stock. Given the limited margin of safety and downside indicated by both the DCF and relative valuation approaches, we conclude with a Sell recommendation at the current valuation.

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