Costco’s fiscal Q4 2026 earnings call on September 24 follows monthly sales reports showing 9.9–11.3% year-over-year net sales growth, with digitally enabled comparable sales advancing 17.9–20.9% amid strong website and app traffic. Traders are focused on management commentary around membership renewal rates near 90%, Executive tier penetration, Kirkland Signature expansion, and any updates on tariff refund distribution to members. Competitive dynamics include Sam’s Club fee adjustments narrowing price gaps and Aldi’s private-label pressure on grocery staples, while Costco continues warehouse openings and same-day delivery investments. Recent results also highlighted record gas volumes and stable gross margins excluding fuel effects.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNEW
Sep 24, 2026
Quarter 15+ times
99%
Customer 10+ times
7%
Tariff
94%
Expansion
79%
Revenue
83%
Spending
75%
Holiday
65%
Labor
54%
Dividend
57%
Middle East
73%
GLP-1 / GLP 1
42%
Peptide
6%
Hot Dog
52%
Automation
16%
Gold
95%
-No Qualifying Event-
35%
$4,515 Vol.
Quarter 15+ times
$407 Vol.
99%
Customer 10+ times
$0 Vol.
7%
Tariff
$0 Vol.
94%
Expansion
$453 Vol.
79%
Revenue
$326 Vol.
83%
Spending
$0 Vol.
75%
Holiday
$626 Vol.
65%
Labor
$0 Vol.
54%
Dividend
$578 Vol.
57%
Middle East
$123 Vol.
73%
GLP-1 / GLP 1
$243 Vol.
42%
Peptide
$0 Vol.
6%
Hot Dog
$717 Vol.
52%
Automation
$133 Vol.
16%
Gold
$114 Vol.
95%
-No Qualifying Event-
$794 Vol.
35%
This market will resolve based on the next earnings announcement of Costco currently scheduled to take place on September 24, 2026 at 5:00 PM ET.
This market will resolve to "Yes" if the listed term is mentioned by anyone during this event. Otherwise, the market will resolve to "No".
If this event is definitively cancelled, or otherwise is not aired by September 25, 2026, 11:59 PM ET, "-No Qualifying Event-" will resolve to "Yes" and all other brackets will resolve to "No".
The resolution source will be audio of the event.
For full rules, see: https://polymarket-upload.s3.us-east-2.amazonaws.com/market_products/Mentions/Event+Mentions+Contract+DeFi.pdfCostco’s fiscal Q4 2026 earnings call on September 24 follows monthly sales reports showing 9.9–11.3% year-over-year net sales growth, with digitally enabled comparable sales advancing 17.9–20.9% amid strong website and app traffic. Traders are focused on management commentary around membership renewal rates near 90%, Executive tier penetration, Kirkland Signature expansion, and any updates on tariff refund distribution to members. Competitive dynamics include Sam’s Club fee adjustments narrowing price gaps and Aldi’s private-label pressure on grocery staples, while Costco continues warehouse openings and same-day delivery investments. Recent results also highlighted record gas volumes and stable gross margins excluding fuel effects.
This market will resolve based on the next earnings announcement of Costco currently scheduled to take place on September 24, 2026 at 5:00 PM ET.
This market will resolve to "Yes" if the listed term is mentioned by anyone during this event. Otherwise, the market will resolve to "No".
If this event is definitively cancelled, or otherwise is not aired by September 25, 2026, 11:59 PM ET, "-No Qualifying Event-" will resolve to "Yes" and all other brackets will resolve to "No".
The resolution source will be audio of the event.
For full rules, see: https://polymarket-upload.s3.us-east-2.amazonaws.com/market_products/Mentions/Event+Mentions+Contract+DeFi.pdf
This market will resolve to "Yes" if the listed term is mentioned by anyone during this event. Otherwise, the market will resolve to "No".
If this event is definitively cancelled, or otherwise is not aired by September 25, 2026, 11:59 PM ET, "-No Qualifying Event-" will resolve to "Yes" and all other brackets will resolve to "No".
The resolution source will be audio of the event.
For full rules, see: https://polymarket-upload.s3.us-east-2.amazonaws.com/market_products/Mentions/Event+Mentions+Contract+DeFi.pdf
Market Opened: Sep 17, 2026, 2:24 PM ET
Volume
$4,515End Date
Sep 24, 2026Market Opened
Sep 17, 2026, 2:24 PM ETResolver
0x65070BE91...This market will resolve based on the next earnings announcement of Costco currently scheduled to take place on September 24, 2026 at 5:00 PM ET.
This market will resolve to "Yes" if the listed term is mentioned by anyone during this event. Otherwise, the market will resolve to "No".
If this event is definitively cancelled, or otherwise is not aired by September 25, 2026, 11:59 PM ET, "-No Qualifying Event-" will resolve to "Yes" and all other brackets will resolve to "No".
The resolution source will be audio of the event.
For full rules, see: https://polymarket-upload.s3.us-east-2.amazonaws.com/market_products/Mentions/Event+Mentions+Contract+DeFi.pdfCostco’s fiscal Q4 2026 earnings call on September 24 follows monthly sales reports showing 9.9–11.3% year-over-year net sales growth, with digitally enabled comparable sales advancing 17.9–20.9% amid strong website and app traffic. Traders are focused on management commentary around membership renewal rates near 90%, Executive tier penetration, Kirkland Signature expansion, and any updates on tariff refund distribution to members. Competitive dynamics include Sam’s Club fee adjustments narrowing price gaps and Aldi’s private-label pressure on grocery staples, while Costco continues warehouse openings and same-day delivery investments. Recent results also highlighted record gas volumes and stable gross margins excluding fuel effects.
This market will resolve based on the next earnings announcement of Costco currently scheduled to take place on September 24, 2026 at 5:00 PM ET.
This market will resolve to "Yes" if the listed term is mentioned by anyone during this event. Otherwise, the market will resolve to "No".
If this event is definitively cancelled, or otherwise is not aired by September 25, 2026, 11:59 PM ET, "-No Qualifying Event-" will resolve to "Yes" and all other brackets will resolve to "No".
The resolution source will be audio of the event.
For full rules, see: https://polymarket-upload.s3.us-east-2.amazonaws.com/market_products/Mentions/Event+Mentions+Contract+DeFi.pdf
This market will resolve to "Yes" if the listed term is mentioned by anyone during this event. Otherwise, the market will resolve to "No".
If this event is definitively cancelled, or otherwise is not aired by September 25, 2026, 11:59 PM ET, "-No Qualifying Event-" will resolve to "Yes" and all other brackets will resolve to "No".
The resolution source will be audio of the event.
For full rules, see: https://polymarket-upload.s3.us-east-2.amazonaws.com/market_products/Mentions/Event+Mentions+Contract+DeFi.pdf
Volume
$4,515End Date
Sep 24, 2026Market Opened
Sep 17, 2026, 2:24 PM ETResolver
0x65070BE91...Costco’s fiscal Q4 2026 earnings call on September 24 follows monthly sales reports showing 9.9–11.3% year-over-year net sales growth, with digitally enabled comparable sales advancing 17.9–20.9% amid strong website and app traffic. Traders are focused on management commentary around membership renewal rates near 90%, Executive tier penetration, Kirkland Signature expansion, and any updates on tariff refund distribution to members. Competitive dynamics include Sam’s Club fee adjustments narrowing price gaps and Aldi’s private-label pressure on grocery staples, while Costco continues warehouse openings and same-day delivery investments. Recent results also highlighted record gas volumes and stable gross margins excluding fuel effects.
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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