TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 27, 6:59 AM EST
Kalshi
These markets assess whether the Transportation Security Administration will screen a specific number of passengers at airport checkpoints across the United States on a single day in late October 2026. The outcome depends solely on the initial official count reported for that date, without adjustments for later revisions.
All markets resolve based on the first published nationwide TSA passenger screening count for October 26, 2026, as reported on the TSA’s Passenger Volumes page. The exact count is used without rounding, and only the initial published figure counts—any subsequent corrections or revisions are disregarded. If the publication of data for that date is delayed, resolution is paused until the data becomes available, subject to the contract’s expiration and any contingency rules. Each market has a distinct threshold: resolution occurs if the reported number meets or exceeds the specified passenger count for that market.
Currently, it’s difficult to directly compare the odds in this market to specific analyst forecasts for TSA passenger screenings on that date. However, prediction markets often incorporate a wider range of information and perspectives than traditional polls or expert opinions. This can lead to differences, as the collective judgment of traders may anticipate factors that analysts haven’t fully considered. It's common to see prediction markets outperform polls in accuracy, especially as the event date approaches and more information becomes available. The wisdom of the crowd often proves insightful when assessing future events.
On Kalshi, this market is priced using a continuous double auction, meaning traders buy and sell contracts representing different outcomes. The price of each contract reflects the market’s assessment of the probability of that outcome occurring. As more traders participate, the prices adjust to reflect the evolving consensus. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movements are driven by supply and demand; if many traders believe a particular outcome is likely, they will bid up the price of contracts representing that outcome, and vice versa. This dynamic pricing mechanism aims to create a real-time forecast of the event’s likelihood.
This market resolves around Nov 3, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The final number of passengers screened by the TSA on October 26, 2026, as officially reported by the TSA itself, will determine the winning outcome. The resolution will be based on the total number of passengers who undergo screening at all TSA checkpoints nationwide on that specific date. The market will settle to reflect which outcome range accurately captures the final passenger screening count.
Several factors could significantly influence this market. Major economic shifts, such as a recession or a surge in consumer confidence, could impact travel demand and thus passenger screening numbers. Unexpected events like major weather events or geopolitical instability could also disrupt travel plans. Changes in TSA policies or security protocols could affect screening times and passenger flow. Furthermore, news regarding airline capacity, fuel prices, or major conventions scheduled for that period could all serve as catalysts, causing traders to reassess their probabilities and adjust their positions in this market.