Costco’s just-released fiscal Q3 2026 results showed U.S. adjusted comparable sales growth landing squarely in the 6.5%–7.5% band that now commands full market-implied odds. This outcome aligns with the retailer’s recent monthly trends, including double-digit U.S. comparable sales in April and sustained strength in food, sundries, and fresh categories amid resilient consumer spending. Membership fee income and digitally enabled sales also continued to expand, reinforcing the core operating momentum that underpins the narrow range. While the consensus reflects trader capital committed to the reported figure, an unexpected revision in gasoline-price or foreign-exchange adjustments—or a sharper-than-anticipated slowdown in discretionary categories—could still shift the final tally at the margin.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated6.5%–7.5% 100.0%
<4.5% <1%
4.5%–5.5% <1%
5.5%–6.5% <1%
$3,881 Vol.
$3,881 Vol.
<4.5%
No
4.5%–5.5%
No
5.5%–6.5%
No
6.5%–7.5%
Yes
7.5%–8.5%
No
8.5%+
No
6.5%–7.5% 100.0%
<4.5% <1%
4.5%–5.5% <1%
5.5%–6.5% <1%
$3,881 Vol.
$3,881 Vol.
<4.5%
No
4.5%–5.5%
No
5.5%–6.5%
No
6.5%–7.5%
Yes
7.5%–8.5%
No
8.5%+
No
The specified metric will be considered as reported in the company's official earnings materials. Subsequent revisions will not be considered.
If the specified company's official earnings materials for the specified quarter are released, and the specified metric is not included, this market will resolve to the lowest bracket.
If the specified company does not release quarterly earnings materials for the specified quarter by June 30, 2026, 11:59 PM ET, this market will resolve to the lowest bracket.
If the reported value falls exactly between two brackets, this market will resolve to the higher range bracket.
If the specified metric is reported as a range rather than a specific number, the midpoint of the range will be used for resolution of this market.
The resolution source for this market is Costco's official company earnings materials, including press releases, investor presentations, and regulatory filings. If the specified metric is not reported in these materials, recordings or transcripts of the company's earnings webcast may also be used.
Note: This market will resolve based on the most numerically precise version of the specified metric reported in the company's official earnings materials. Only the US adjusted comparable sales growth figure excluding gasoline prices and foreign exchange will be considered; alternate versions that differ in definition or scope from the specified metric will not be considered.
Market Opened: May 14, 2026, 2:48 PM ET
Resolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
The specified metric will be considered as reported in the company's official earnings materials. Subsequent revisions will not be considered.
If the specified company's official earnings materials for the specified quarter are released, and the specified metric is not included, this market will resolve to the lowest bracket.
If the specified company does not release quarterly earnings materials for the specified quarter by June 30, 2026, 11:59 PM ET, this market will resolve to the lowest bracket.
If the reported value falls exactly between two brackets, this market will resolve to the higher range bracket.
If the specified metric is reported as a range rather than a specific number, the midpoint of the range will be used for resolution of this market.
The resolution source for this market is Costco's official company earnings materials, including press releases, investor presentations, and regulatory filings. If the specified metric is not reported in these materials, recordings or transcripts of the company's earnings webcast may also be used.
Note: This market will resolve based on the most numerically precise version of the specified metric reported in the company's official earnings materials. Only the US adjusted comparable sales growth figure excluding gasoline prices and foreign exchange will be considered; alternate versions that differ in definition or scope from the specified metric will not be considered.
Resolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Costco’s just-released fiscal Q3 2026 results showed U.S. adjusted comparable sales growth landing squarely in the 6.5%–7.5% band that now commands full market-implied odds. This outcome aligns with the retailer’s recent monthly trends, including double-digit U.S. comparable sales in April and sustained strength in food, sundries, and fresh categories amid resilient consumer spending. Membership fee income and digitally enabled sales also continued to expand, reinforcing the core operating momentum that underpins the narrow range. While the consensus reflects trader capital committed to the reported figure, an unexpected revision in gasoline-price or foreign-exchange adjustments—or a sharper-than-anticipated slowdown in discretionary categories—could still shift the final tally at the margin.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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