SimpleFunctions
Winner-take-all answer·11 source contracts·Kalshi 11·refreshed just now·Closes Sep 7, 2026 · 17d

Will Costco Monthly Foot Traffic for August 2026 be above 93

Leader sits at 87% across 11 bound outcomes, runner-up at 83%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

87%

Above 93

runner-up 83¢leader 87¢

Outcomes

11

winner-take-all

Runner-up

83¢

Above 96

Spread

4pp

contested

24h volume

$36

thin orderbook

Closes

Sep 7, 2026

17 days

Venue

Kalshi

11 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayAbove 93: 88% (17 days, 13 points)Above 93: 88% on 2026-08-20Above 96: 62% (17 days, 16 points)Above 96: 62% on 2026-08-20Above 94: 85% (17 days, 16 points)Above 94: 85% on 2026-08-20
Above 9388¢Above 9662¢Above 9485¢
Top 3 candidates by current price · 17d

Bracket family

How the bracket ladder is priced.

Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.

Analysis

This contract measures whether Costco's total monthly foot traffic in August 2026 will exceed 93 million visits. The 51% probability indicates traders slightly favor a result above this threshold, though the outcome remains uncertain. Costco's traffic typically reflects consumer spending patterns, economic confidence, and seasonal retail activity. August represents a back-to-school and late-summer shopping period, which historically drives warehouse traffic. The resolution will depend on actual foot-traffic data Costco reports, likely in late August or early September when the company releases monthly operational metrics. Economic conditions, gas prices, and employment levels heading into August will influence consumer behavior. The tight clustering of contracts around 93-96 million visits suggests traders view the likely outcome in this narrow band, with the 51%-49% split indicating genuine disagreement about whether August traffic stays below or above the 93 million threshold.

  • Costco's reported monthly foot traffic for August 2026 must exceed 93 million visits to resolve above
  • Seasonal patterns show August typically captures back-to-school spending and late-summer warehouse visits
  • Recent macroeconomic indicators (employment, inflation, consumer confidence) in July-August will directly influence customer visits
  • Gas prices and discretionary spending power in August affect the frequency and volume of warehouse visits
  • The contract resolves based on Costco's official reported data, typically released in late August or early September

What moved the line

  • Aug 19Above 9618pp8365¢ · Kalshi
  • Aug 18Above 9612pp7183¢ · Kalshi
  • Aug 19Above 9912pp3927¢ · Kalshi
  • Aug 20Above 9911pp2738¢ · Kalshi
  • Aug 20Above 979pp5546¢ · Kalshi

Recently closed in general

These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

More like this

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How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.

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