Analytics
Resolved No on 29 May 2026.
The last daily price before settlement had No at 100%. Yes opened at 46% on 15 May 2026. Before it settled, the high was 47.5% on 21 May 2026 and the low 0.1% on 29 May 2026. Its largest one-day move was 18 points down, to 6.5% on 24 May 2026. $928.31 traded over the market's life.
9 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of May 29, 8:46 PM UTC
Daily closes of the Yes price, Polymarket CLOB, 15 points, 15 May 2026 – 29 May 2026
| Observed | Yes price |
|---|---|
| 15 May 2026 | 46.0% |
| 29 May 2026 | 0.1% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| Indigo Signal 2966 | No | 105 |
| perepuk | Yes | 69.8 |
| dsosods | Yes | 48.05 |
| Jade Maven 34B8 | Yes | 30 |
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
This market will resolve according to Costco's announced US adjusted comparable sales growth for the third fiscal quarter of 2026, as reported in its official company earnings materials. For the purposes of this market, US adjusted comparable sales growth refers to comparable sales growth excluding the impact of gasoline prices and foreign exchange, as reported by Costco in its official earnings materials. 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.
Official listing: polymarket.com/event/costco-q3-us-adjusted-comparable-sales-growth
| tiongbu | Yes | 20 |
| Grandiose-Layer | Yes | 9.98 |
| Mojito9 | Yes | 6.07 |
| rocketcrypto | Yes | 4.99 |
| Loud-Chess | Yes | 1.11 |
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