{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["449:00"], "contactPoint": {"fn": "Open Data", "hasEmail": "mailto:opendata@sec.gov"}, "description": "These datasets provide metrics for each security type and exchange. ", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "https://www.sec.gov/files/opa/data/market-structure/summary-metrics-exchange/metrics_by_exchange_q4_2025.zip", "mediaType": "application/zip", "title": "2012 Q1 - 2025 Q4"}], "identifier": "https://www.sec.gov/node/89631", "keyword": ["SEC Markets and Data", "market structure"], "landingPage": "https://www.sec.gov/data-research/sec-markets-data/marketstructuredata-exchange", "license": "http://www.usa.gov/publicdomain/label/1.0/", "modified": "2026-04-03T15:35:23Z", "programCode": ["000:000"], "publisher": {"name": "Public Affairs", "subOrganizationOf": {"name": "U.S. Securities and Exchange Commission", "subOrganizationOf": {"name": "U.S. Government"}}}, "temporal": "2012-01-01T08:00:00Z/2025-12-31T22:00:00Z", "theme": ["Data-MarketStructure"], "title": "Summary Metrics by Exchange"}