The tournament ended July 19. The measurement baseline Plat Street said did not exist in April now exists, and it says two things brand teams need to hold at the same time.

The first is that the aggregate lift was real and larger than forecasters expected. Bank of America Institute's card-spending analysis across host cities found spending up 6.3 percent year over year during the tournament, a reading its economist characterized as the strongest in more than four years and a positive surprise nobody had modeled. Visa's Canadian data, released August 4, found matchday spending up as much as 24.6 percent in Toronto and 12.7 percent in Vancouver against the comparable 2025 period, and framed the effect explicitly as a concentrated, temporary pop-up economy. Both readings are metro-level card panels. Both are credible.

The second is that the aggregate lift was distributed in a way that made a number of individual corridors worse off, and that the distribution was predictable enough to have planned around. Kansas City is documented at length in this issue's Block Ops and Frontage coverage: operators in the Crossroads, the Westside, Westport, and North Kansas City reporting same-store declines of roughly 10 to 12 percent during a period when the metro card panel was up.

Two True Measurements: Metro Card Panels vs. Corridor Same-Store Reports
Panel A and Panel B measure different things at different geographic scales and are not directly comparable. Presented together to show that a positive metro reading and negative corridor readings can be simultaneously accurate. Sources: Bank of America Institute; Visa; Axios Kansas City; KCUR.

Three things follow for sponsors and brand teams, and each one is a change to standard practice rather than a refinement of it.

A metro-level card panel is not an activation ROI measurement and should never be accepted as one. If a district or a host committee brings you a 6.3 percent figure as evidence that your activation worked, that figure is evidence the city was busy. It says nothing about whether the corridor you paid for converted. Plat Street's Issue 1 finding, that only 23 percent of sponsors track verified transaction data, is the reason this gap persists. The 77 percent who do not track it had no instrument capable of distinguishing a corridor that converted from one that was merely near a stadium, and this tournament was the largest natural experiment in that distinction the field will get for two years.

Concentration risk is now quantifiable and belongs in the deal. A brand that placed in a fan festival footprint got the surge. A brand that placed in an adjacent arts or dining district in the same city may have paid for access to a corridor whose baseline was actively suppressed for five weeks. That is a diligence question with an answerable form: how far is this corridor from the primary footprint, and what is the transit and parking geometry between them. A Westport operator's observation that packed streetcars carried visitors past intermediate stops is a transit-geometry problem anyone could have modeled in advance from a route map and a capacity assumption. Add it to the district selection framework (Issue 1) as a standing question for any event-adjacent placement.

The durable value is in assets the district controls. Issue 5 identified Downtown Van BIA's initiated Granville Street closure as the model, a district that funded and organized a street closure itself rather than hosting whatever foot traffic a nearby stadium produced. That distinction matters commercially, not just operationally: an asset the district controls can be sold to a sponsor again next year without a new municipal permission. An asset the city controls has to be re-permitted every time, and the sponsor is buying an option, not an inventory item. Brands building 2027 corridor budgets should be sorting available inventory on exactly that axis.

One structural note about what this tournament did to the category. For four years, event-driven corridor activation has been sold on aggregate host-city projections. Kansas City forecast more than $653 million in impact and 650,000 visitors, and merchants inside its own managed districts finished the group stage down double digits. That gap is now on the record, and every district selling event-adjacent sponsorship in 2027 will be negotiating against it. The districts that come out ahead are the ones that show up with corridor-level measurement already in place, which is a capital expenditure to make this fall, not a proposal line to write next spring.

Watch line: Bank of America Institute's post-tournament reconciliation, and whether any host committee publishes corridor-level rather than metro-level results. Also: the post–July 19 foot-traffic decay curve in Pioneer Square and along Granville Street, which Issue 5 set as the real test of conversion versus hosting.

Duplicate check: Issue 2 (activation brief), Issue 4 (Houston Green Corridor, Deep Ellum), Issue 5 CC-F-1 (group-stage receipts) and CC-P-1 (BofA sponsor read). This is the full-tournament close-out and the first piece to argue that aggregate host-city data is unusable as an activation ROI proxy. Coordinate figures with BO-F-2 and FR-F-1. The three share a source base and must not repeat the same numbers in the same words.

Source: Bank of America Institute; Visa press release, August 4, 2026; Axios Kansas City, June 29, 2026; KCUR, June 22 and July 1, 2026; Gray DC, July 18, 2026.