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If Gas Prices Stay High, Costco Stock Could Outperform Walmart

With gas prices remaining elevated, Costco (COST) stock may be a better buy than Walmart (WMT), as Costco members tend to increase in-store spending when they purchase gas.

June 13, 2026
2 min read
Source: Motley Fool
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According to a Motley Fool analysis, persistently high gas prices could give Costco (COST) a competitive edge over Walmart (WMT) from an investment perspective. The report highlights that Costco members typically spend more inside the store when they buy gas there, boosting revenue.

Details

Costco's membership model fosters strong customer loyalty. When members visit to fill up at competitive gas prices, they often enter the store and make additional purchases. This behavior makes gas stations a key traffic driver that increases sales.

In contrast, Walmart does not offer gas at most of its locations, missing out on this advantage. With gas prices staying high, consumers may increasingly turn to Costco for discounted fuel, further boosting its sales.

Context

This analysis comes amid global fuel price volatility due to geopolitical factors and rising demand. Costco's stock has historically performed relatively better than Walmart during periods of high gas prices.

What It Means for Investors

For investors, Costco stock may be more attractive in a high-gas-price environment due to its ability to convert gas station visitors into in-store shoppers. However, other factors such as valuation and international expansion should also be considered before making an investment decision.

Frequently Asked Questions

Because Costco members tend to spend more in-store when they buy gas there, boosting revenue.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.