TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 19, 11:59 PM EST
Kalshi
This event tracks the average daily TSA airport security screenings during the week of July 13-19, 2026. The TSA publicly reports weekly checkpoint screening data, which serves as a key indicator of travel demand and economic activity in the United States.
Resolution is determined by the official TSA weekly average airport screenings data for the week ending July 19, 2026. Each market corresponds to a specific threshold, with resolution to Yes occurring if the weekly average exceeds that threshold according to TSA official reporting. Thresholds range from 1.8 million to 2.8 million screenings per day, in increments of 0.05 million. Trading concludes at 11:59 PM on July 19, 2026, with contract expiration occurring at the earlier of the first 9:00 AM following TSA data release or one week after July 19, 2026. The data source is exclusively the TSA's official weekly screening statistics.
Prediction market odds often diverge from traditional analyst forecasts because they aggregate real-time trader conviction rather than relying on static models. Analysts typically publish seasonal travel estimates weeks in advance, while this market allows participants to incorporate breaking news, fuel prices, economic data, and last-minute booking trends right up to the event. The crowd-sourced nature of prediction markets can capture shifts in consumer behavior that conventional forecasts miss, making them a complementary signal for understanding expected summer travel volumes.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing different check-in ranges. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share's price reflects the collective probability assigned by the market to that outcome band. As new information emerges—economic reports, airline capacity announcements, or historical comparisons—traders adjust their positions, moving prices up or down. The bid-ask spread tightens as the event date approaches and more data becomes available, improving price discovery.
This market resolves around Jul 20, 2026, after the TSA reporting week concludes. The outcome is confirmed once verified data on average daily check-ins for July 13–19, 2026 becomes available from credible public sources. Traders holding positions aligned with the final verified figure receive their payout, while positions on incorrect ranges expire worthless. Resolution typically occurs within days of the event week's end, once official statistics are published and audited.
Major catalysts include airline scheduling announcements, fuel price swings, economic recession indicators, and weather forecasts for the target week. Labor actions, airport infrastructure disruptions, or changes to TSA staffing levels could significantly shift expected throughput. Comparable historical data—check-in volumes from prior July weeks—provides a baseline that traders reference. Additionally, real-time booking trends from major travel platforms and last-minute holiday or event announcements can trigger rapid repricing as the market approaches Jul 20, 2026.