{"id":"build-race-2026-06","slug":"fastest-growing-construction-category-june-2026","question":"Which U.S. construction category will grow the most in June 2026?","role":"flagship","contractType":"multiple_choice","resolutionMethod":"maximum_month_over_month_growth","status":"proposed","summary":"A monthly category race across the parts of private construction people already debate: data centers, factories, power, housing, transport, and more.","whyItTrades":"One contract captures the whole physical-economy story and gives every major construction narrative a side to take.","resolutionObservation":"The eligible category with the highest percentage change from May 2026 to June 2026.","formula":"((June 2026 SAAR / May 2026 SAAR) - 1) x 100","outcomes":["New single-family","New multifamily","Lodging","General office","Data centers","Financial offices","Commercial","Health care","Educational","Religious","Amusement and recreation","Transportation","Communication","Power","Manufacturing","Tie"],"tiePolicy":"The Tie outcome wins only when two or more eligible categories have the same highest growth rate using the Census-published integer values.","currentRead":"Transportation led the May reference tape at +1.11%; data centers and communication were nearly tied near +0.56%.","currentStats":[{"label":"May leader","value":"Transportation","detail":"+1.11% month over month"},{"label":"Data-center rank","value":"#2","detail":"+0.56% month over month"},{"label":"Eligible outcomes","value":"15 + tie","detail":"Defined Census line items"}],"resolutionSteps":["Retrieve the first official Census private-SA workbook that contains a June 2026 preliminary observation.","Record the retrieval timestamp, workbook SHA-256, original Census URL, and an immutable Homecastr archive URI.","Read the published integer values in millions of dollars SAAR; do not substitute a forecast or later revision.","Calculate the month-over-month percentage change for every eligible category without rounding the intermediate result.","Resolve to the single maximum-growth category, or Tie when the maximum is exactly shared at source precision."],"page_path":"/prediction-markets/fastest-growing-construction-category-june-2026","resolution_source":{"publisher":"U.S. Census Bureau","dataset":"Value of Construction Put in Place","table":"Private construction, seasonally adjusted annual rate","landingPageUrl":"https://www.census.gov/construction/c30/historical_data.html","workbookUrl":"https://www.census.gov/construction/c30/xlsx/privsatime.xlsx","unit":"Millions of U.S. dollars at a seasonally adjusted annual rate (SAAR)"},"reference_snapshot":{"capturedAt":"2026-07-18T00:00:00-04:00","currentPeriod":"May 2026 preliminary","comparisonPeriod":"April 2026 revised","dataCenterCurrent":59307,"dataCenterPrevious":58977,"dataCenterPriorRecord":59307,"threshold":60000},"eligible_category_mapping":[{"outcome":"New single-family","sourceLabel":"New single family"},{"outcome":"New multifamily","sourceLabel":"New multifamily"},{"outcome":"Lodging","sourceLabel":"Lodging"},{"outcome":"General office","sourceLabel":"General"},{"outcome":"Data centers","sourceLabel":"Data center"},{"outcome":"Financial offices","sourceLabel":"Financial"},{"outcome":"Commercial","sourceLabel":"Commercial (inc. Farm)"},{"outcome":"Health care","sourceLabel":"Health care"},{"outcome":"Educational","sourceLabel":"Educational"},{"outcome":"Religious","sourceLabel":"Religious"},{"outcome":"Amusement and recreation","sourceLabel":"Amusement and Recreation"},{"outcome":"Transportation","sourceLabel":"Transportation"},{"outcome":"Communication","sourceLabel":"Communication"},{"outcome":"Power","sourceLabel":"Power (inc. Gas and Oil)"},{"outcome":"Manufacturing","sourceLabel":"Manufacturing"}],"release_policy":"first_official_release_containing_june_2026_preliminary","evidence_policy":{"required":["retrieved_at","source_url","sha256","immutable_archive_uri"],"note":"The Census source is public but requires a venue-approved oracle or attestation adapter for on-chain settlement."},"execution_policy":{"status":"proposal_only","liveMarketIds":[],"orderSubmissionEnabled":false,"capitalAllocationEnabled":false,"runtimeOverridesAllowed":false,"scoreAdmissionRegistry":"repository_owned_empty"}}