Costco total cardholders in Q3
Price history — Above 146 million
Last 7 days of market YES price (blue) with the fair-price range (orange).
━ market YES▬ fair range
Market price
99¢
99¢
88¢
66¢
38¢
4¢
1¢
0¢
Kalshi • Volume: 151.6K contracts • Updated 1h agoCloses: 2026-06-27
Kalshi · Companies
OU's Pick
YES · Above 146 million
at 99¢
Price gap
Kalshi99¢
→OU's fair99¢
Confidence
Moderate
Costco reported 133.9 million cardholders in Q2 2024 and has maintained a steady growth rate that makes the 146 million threshold highly probable by mid-2026.
Not financial advice. For informational purposes only. Prediction markets involve risk of loss. AI may contain errors.