{"id":"6d5b06c7-95d8-4019-b034-4f66bc957b58","type":"DATASET","name":"European Central Bank — Securities exchange - Trading Statistics (SEE)","slug":"ecb-securities-exchange-trading-statistics-see","description":"Securities exchange - Trading Statistics (SEE) — official time series from the European Central Bank Data Portal, published as the SEE dataflow over SDMX 2.1 REST. One endpoint serves XML (SDMX-ML), CSV (?format=csvdata) and JSON (?format=jsondata); extract exactly the series you need with a key path and startPeriod / endPeriod / lastNObservations filters. Browse and chart the same series on the ECB Data Portal.","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":"https://data.ecb.europa.eu/data/datasets/SEE","docs_url":"https://data.ecb.europa.eu/help/api/overview","repo_url":null,"status":"ACTIVE","verification_state":"VERIFIED","tags":["economy","prices"],"logo_url":"https://data.ecb.europa.eu/themes/custom/edp/favicon.ico","primary_source_url":"https://data-api.ecb.europa.eu/service/data/SEE/all?lastNObservations=1&format=jsondata","extraction_confidence":"0.95","created_at":"2026-07-18T21:24:13.856Z","updated_at":"2026-10-16T17:09:09.391Z","last_verified_at":"2026-10-16T17:09:09.391Z","deprecated_at":null,"ranking_score":61,"last_ranked_at":"2026-10-06T20:35:14.855Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":null,"search_vector":"'2.1':31B,117B,206B,292B 'a':229B,313B 'across':109B,284B 'activ':108B 'activity':283B 'also':162B,337B 'and':218B,232B,238B,324B,331B,340B 'api':119B,294B 'area':112B,287B 'as':200B,262B,328B 'bank':3A,21B,86B,178A,196B,261B 'base':146B 'based':321B 'be':301B,338B 'brows':62B,164B 'browse':237B 'browsed':339B 'by':257B 'can':300B,336B 'central':2A,20B,85B,177A,195B,260B 'chart':64B,239B 'csv':40B,133B,215B,308B 'csvdata':42B,217B 'data':22B,71B,93B,97B,103B,124B,171B,197B,246B,268B,272B,278B,299B,346B 'dataflow':28B,123B,203B,298B 'dataset':79B,254B 'deliv':113B 'delivered':288B 'ecb':70B,96B,170B,245B,271B,345B 'economi':174C 'endperiod':59B,155B,234B,330B 'endpoint':34B,140B,209B,315B 'euro':111B,286B 'european':1A,19B,84B,176A,194B,259B 'exact':48B 'exactly':223B 'exchang':5A,10B,75B,106B 'exchange':180A,185B,250B,281B 'extract':47B,222B 'filter':61B,151B 'filters':236B,326B 'for':318B 'format':41B,45B,136B,216B,220B 'formats':311B 'from':192B 'in':303B 'interact':167B 'interactively':342B 'is':255B 'it':274B 'its':265B 'json':44B,135B,219B,310B 'jsondata':46B,221B 'key':55B,145B,230B,320B 'key-bas':144B 'key-based':319B 'lastnobserv':60B,157B 'lastnobservations':235B,332B 'ml':39B,132B,214B,307B 'need':52B,227B 'of':264B 'offici':14B,91B 'official':189B,266B 'on':243B,279B,343B 'one':33B,208B 'or':309B 'over':204B 'part':88B,263B 'path':56B,231B 'portal':23B,72B,98B,172B,198B,247B,273B,347B 'price':175C 'provid':100B 'provides':275B 'publish':24B,81B 'published':199B,256B 'rest':32B,118B,207B,293B 'retriev':127B 'retrieved':302B 'same':241B,334B 'sdmx':30B,38B,116B,131B,205B,213B,291B,306B 'sdmx-ml':37B,130B,212B,305B 'secur':4A,9B,74B,105B 'securities':179A,184B,249B,280B 'see':8A,13B,27B,78B,122B,183A,188B,202B,253B,297B 'select':148B 'selection':323B 'seri':16B,50B,67B,102B,147B,160B 'series':191B,225B,242B,277B,322B,335B 'serv':35B 'serves':210B 'singl':139B 'single':314B 'startperiod':58B,154B,233B,329B 'statist':7A,12B,77B,92B 'statistical':267B 'statistics':182A,187B,252B 'such':327B 'support':142B,317B 'the':193B,201B,224B,240B,244B,248B,258B,270B,285B,290B,296B,333B,344B 'through':289B 'time':15B,101B,150B,190B,276B,325B 'trade':6A,11B,76B,107B 'trading':181A,186B,251B,282B 'under':295B 'via':137B,312B 'visual':166B 'visualized':341B 'warehous':94B 'warehouse':269B 'websit':173B 'website':348B 'with':228B,316B 'xml':36B,129B,211B,304B 'you':226B","popularity_score":"0.0000","maintenance_score":"0.7000","institution_id":"eab3ebe3-a519-43d8-a676-4192af61f357","institution_type":"REGULATOR","country_code":"EU","official_confidence":95,"proof_summary":"Official ECB Data Portal dataflow SEE, promoted from the endpoint-verified portal entry","source_seed_url":null,"is_public_sector":true,"published_at":"2026-07-18T21:24:13.856Z","geographic_scope":"EUROPEAN","name_en":null,"description_en":"The Securities Exchange - Trading Statistics (SEE) dataset is published by the European Central Bank as part of its official statistical data warehouse, the ECB Data Portal. It provides time series data on securities exchange trading activity across the euro area, delivered through the SDMX 2.1 REST API under the SEE dataflow. Data can be retrieved in XML (SDMX-ML), CSV, or JSON formats via a single endpoint, with support for key-based series selection and time filters such as startPeriod, endPeriod, and lastNObservations. The same series can also be browsed and visualized interactively on the ECB Data Portal website.","native_lang":"en","access_level":"direct","formats":[],"capability_tier":"live","trust_score":76.25,"merged_into_entry_id":null,"identity_key":"DATASET|https://data-api.ecb.europa.eu/service/data/SEE/all?format=jsondata&lastNObservations=1|european central bank — securities exchange - trading statistics (see)","upstream_ref":null,"content_changed_at":null,"title_qualifier":null,"access":{"level":"direct","primary":{"kind":"query","label":"List dataflows","method":"GET","url":"https://data-api.ecb.europa.eu/service/dataflow/ECB","source":"query_example","runnable":true,"direct":true},"actions":[{"kind":"query","label":"List dataflows","method":"GET","url":"https://data-api.ecb.europa.eu/service/dataflow/ECB","source":"query_example","runnable":true,"direct":true},{"kind":"query","label":"Run verified request","method":"GET","url":"https://data.ecb.europa.eu/data/datasets/SEE","source":"probe","runnable":true},{"kind":"query","label":"Dataflow structure","method":"GET","url":"https://data-api.ecb.europa.eu/service/dataflow/ECB/SEE?references=all","source":"query_example","runnable":true,"direct":false},{"kind":"query","label":"Fetch observations (JSON)","method":"GET","url":"https://data-api.ecb.europa.eu/service/data/SEE/all?lastNObservations=5&format=jsondata","source":"query_example","runnable":true,"direct":false},{"kind":"landing","label":"Read the docs","method":"GET","url":"https://data.ecb.europa.eu/help/api/overview","source":"docs","runnable":false},{"kind":"landing","label":"Open source record","method":"GET","url":"https://data-api.ecb.europa.eu/service/data/SEE/all?lastNObservations=1&format=jsondata","source":"primary_source","runnable":false}],"formats":[]},"maturity":{"entry_id":"6d5b06c7-95d8-4019-b034-4f66bc957b58","granularity":"entry","granularity_label":"One unit = one catalog entry. A PROXY for the SCOPE.md §4 ladder, which governs source families, not entries: a family with 400 entries moves this reading 400 times as much as a family with one. Never compare or combine with the source_family reading.","level":"executable","level_index":4,"level_label":"Executable","meaning":"Queries run through Commodity","counts_as_coverage":true,"blocked_by":null,"rungs":[{"level":"discovered","level_index":1,"label":"Discovered","meaning":"Source and metadata recorded","evidence":"membership of the named population the ladder is taken over","counts_as_coverage":false,"met":true,"reached":true,"criterion":"TRUE"},{"level":"verified","level_index":2,"label":"Verified","meaning":"Access tested successfully","evidence":"entries.verification_state = 'VERIFIED'","counts_as_coverage":false,"met":true,"reached":true,"criterion":"entries.verification_state = 'VERIFIED'"},{"level":"profiled","level_index":3,"label":"Profiled","meaning":"Schema, dimensions and licence understood","evidence":"a data profile with at least one field (entry_data_profiles.field_count > 0)","counts_as_coverage":false,"met":true,"reached":true,"criterion":"EXISTS (SELECT 1 FROM entry_data_profiles p WHERE p.entry_id = entries.id AND COALESCE(p.field_count, 0) > 0)"},{"level":"executable","level_index":4,"label":"Executable","meaning":"Queries run through Commodity","evidence":"entries.capability_tier = 'live' — today's proxy for \"queryable through us\"","counts_as_coverage":true,"met":true,"reached":true,"criterion":"entries.capability_tier = 'live'"},{"level":"joinable","level_index":5,"label":"Joinable","meaning":"Canonical identifiers and concepts mapped","evidence":"a field link to a canonical identifier whose sampled VALUES match its format","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_field_links efl WHERE efl.entry_id = entries.id AND efl.identifier_id IS NOT NULL AND efl.value_status = 'match')"},{"level":"reproducible","level_index":6,"label":"Reproducible","meaning":"Snapshots and transformation evidence retained","evidence":"at least one retained evidence manifest (migration 078)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM evidence_manifests em WHERE em.entry_id = entries.id)"},{"level":"guaranteed","level_index":7,"label":"Guaranteed","meaning":"Monitored against an operational reliability target","evidence":"an active reliability target with a named monitor (migration 096)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_reliability_targets rt WHERE rt.entry_id = entries.id AND rt.is_active = true)"}],"officialness":{"basis":"per_item_proven","label":"Proven for this item: its own proof signals scored >= 80 AND it matched a registered public institution, so it would have been APPROVED on its own evidence.","proof_confidence":95,"proven_threshold":80,"institution_id":"eab3ebe3-a519-43d8-a676-4192af61f357","definition":"CASE WHEN COALESCE(entries.is_public_sector, false) IS NOT TRUE THEN 'not_official' WHEN COALESCE(entries.official_confidence, 0) >= 80 AND entries.institution_id IS NOT NULL THEN 'per_item_proven' ELSE 'catalog_inherited' END"},"source_family":{"key":"data-api.ecb.europa.eu","label":"One unit = one source family, approximated by the serving host of the entry's primary source URL (e.g. bdl.stat.gov.pl). A COMPUTED stand-in for the curated families of SCOPE.md §5, which no table holds yet. A family sits at the highest level any of its entries has reached, because a family is integrated to the depth of its deepest working integration. Never compare or combine with the entry reading."},"generated_at":"2026-10-17T05:58:11.246Z"},"api_details":null,"dataset_details":null,"license":null,"reuse":{"license_id":null,"license_name":null,"license_url":null,"commercial_use":{"status":"unknown","value":null},"redistribution":{"status":"unknown","value":null},"attribution_required":{"status":"unknown","value":null},"share_alike":{"status":"unknown","value":null},"personal_data_warning":{"status":"unknown","value":null},"cache_and_mirror":{"status":"unknown","value":null},"undetermined":["commercial_use","redistribution","attribution_required","share_alike","personal_data_warning","cache_and_mirror"],"basis":"unverified","confidence":0.1,"confidence_tier":"low","source_text":null,"source_url":null,"reviewed_at":null},"license_raw":null,"latest_check":{"id":"3b05c4c5-96ed-4f2e-a011-3b04f5948662","entry_id":"6d5b06c7-95d8-4019-b034-4f66bc957b58","status":"VERIFIED","last_checked_at":"2026-10-16T17:09:09.215Z","p50_latency_ms":3799,"p95_latency_ms":null,"last_error":null,"consecutive_failures":0,"created_at":"2026-07-18T21:41:30.319Z","updated_at":"2026-10-16T17:09:09.215Z","consecutive_successes":90,"probe_url":"https://data.ecb.europa.eu/data/datasets/SEE","probe_method":"GET","probe_http_status":200,"probe_content_type":"text/html; charset=UTF-8","probe_succeeded_at":"2026-10-16T17:09:09.215Z"},"data_profile":{"id":"11fb25ba-6027-46e7-a4bd-e0c993d5b0fa","entry_id":"6d5b06c7-95d8-4019-b034-4f66bc957b58","profile_source":"sdmx","profile_kind":"dataset","dataset_id":"SEE","fields":[{"name":"FREQ","role":"parameter","type":"dimension","label":"Frequency","param_in":"path","required":true,"filterable":true,"description":"1 codes (e.g. Annual)","enum_values":["A"],"description_en":"Frequency of the observation, e.g. annual."},{"name":"REF_AREA","role":"parameter","type":"dimension","label":"Reference area","param_in":"path","required":true,"filterable":true,"description":"22 codes (e.g. Austria, Belgium, Bulgaria)","enum_values":["AT","BE","BG","CY","CZ","DE","ES","FR","GB","GR","HU","IE","IT","LU","MT","NL","PL","PT","RO","SI","SK","X0"],"description_en":"Country or reference area code for the series."},{"name":"SEE_SYSTEM","role":"parameter","type":"dimension","label":"System in securities exchange (trading) context","param_in":"path","required":true,"filterable":true,"description":"33 codes (e.g. CEESEG - Vienna, Euronext Brussel S.A., Fonds des rentes)","enum_values":["WBR0","ENB0","FDR0","USE0","YSE0","PSE0","RMS0","DBR0","BME0","MDP0","ENP0","LSE0","AEX0","BGR0","BER0","ISE0","BIT0","MTI1","MTI2","MTI3","TLX0","BOL0","MSE0","ENA0","GTW0","MTW0","ENL0","MTP0","BVR0","JSE0","BSE0","ENX0","OMX0"],"description_en":"Code identifying the securities exchange trading system."},{"name":"SSS_INFO_TYPE","role":"parameter","type":"dimension","label":"Information type in securities settlement, clearing, trading context","param_in":"path","required":true,"filterable":true,"description":"22 codes (e.g. Total participants - central bank, Total participants - central counterparty (CCP), Total participants - credit institution)","enum_values":["D00","D01","D03","D04","D0T","D10","D11","D13","D14","D1T","D20","D21","D23","D24","D2T","EXL","EXN","EXT","LSD","LSN","LST","MKP"],"description_en":"Type of information reported for securities settlement/trading."},{"name":"SSS_INSTRUMENT","role":"parameter","type":"dimension","label":"Instrument in securities settlement, clearing and trading context","param_in":"path","required":true,"filterable":true,"description":"7 codes (e.g. Not applicable, Equity, Equity, of which investment fund shares)","enum_values":["Z","E","I","M","U","X","W"],"description_en":"Financial instrument category covered by the observation."},{"name":"SERIES_DENOM","role":"parameter","type":"dimension","label":"Series denominat/spec calcul","param_in":"path","required":true,"filterable":true,"description":"3 codes (e.g. Quantity, Euro, National currency)","enum_values":["Q","E","N"],"description_en":"Denomination of the series, e.g. quantity or currency."},{"name":"TIME_PERIOD","role":"parameter","type":"time","label":"Time period or range","param_in":"query","filterable":true,"description":"Time dimension — filter with startPeriod / endPeriod query params.","description_en":"Time period of the observation; filterable via query params."},{"name":"OBS_VALUE","role":"field","type":"number","label":"Observation value","description":"The observed numeric value for each cell.","description_en":"Numeric value observed for the given series and period."},{"name":"TIME_FORMAT","role":"field","type":"attribute","label":"Time format code","filterable":false,"description":null,"description_en":"Code indicating the format used for the time period."},{"name":"COLLECTION","role":"field","type":"attribute","label":"Collection indicator","filterable":false,"description":null,"description_en":"Indicator of how the observation was collected or aggregated."},{"name":"COMPILING_ORG","role":"field","type":"attribute","label":"Compiling organisation","filterable":false,"description":null,"description_en":"Organisation that compiled the data."},{"name":"DISS_ORG","role":"field","type":"attribute","label":"Data dissemination organisation","filterable":false,"description":null,"description_en":"Organisation responsible for disseminating the data."},{"name":"PUBL_ECB","role":"field","type":"attribute","label":"Source publication (ECB only)","filterable":false,"description":null,"description_en":"Publication reference where ECB published the data."},{"name":"PUBL_MU","role":"field","type":"attribute","label":"Source publication (Euro area only)","filterable":false,"description":null,"description_en":"Publication reference where euro area data was published."},{"name":"PUBL_PUBLIC","role":"field","type":"attribute","label":"Source publication (public)","filterable":false,"description":null,"description_en":"Publicly available source publication reference."},{"name":"DECIMALS","role":"field","type":"attribute","label":"Decimals","filterable":false,"description":null,"description_en":"Number of decimal places in the observation value."},{"name":"SOURCE_AGENCY","role":"field","type":"attribute","label":"Source agency","filterable":false,"description":null,"description_en":"Agency that originally sourced the data."},{"name":"TITLE","role":"field","type":"attribute","label":"Title","filterable":false,"description":null,"description_en":"Short title describing the series."},{"name":"TITLE_COMPL","role":"field","type":"attribute","label":"Title complement","filterable":false,"description":null,"description_en":"Additional descriptive text complementing the series title."},{"name":"UNIT","role":"field","type":"attribute","label":"Unit","filterable":false,"description":null,"description_en":"Unit of measurement for the observation value."},{"name":"UNIT_MULT","role":"field","type":"attribute","label":"Unit multiplier","filterable":false,"description":null,"description_en":"Power-of-ten multiplier applied to the observation value."},{"name":"OBS_STATUS","role":"field","type":"attribute","label":"Observation status","filterable":false,"description":null,"description_en":"Status code indicating quality or nature of the observation."},{"name":"OBS_CONF","role":"field","type":"attribute","label":"Observation confidentiality","filterable":false,"description":null,"description_en":"Confidentiality classification of the observation."},{"name":"OBS_PRE_BREAK","role":"field","type":"attribute","label":"Pre-break observation value","filterable":false,"description":null,"description_en":"Observation value prior to a data series break."},{"name":"OBS_COM","role":"field","type":"attribute","label":"Observation comment","filterable":false,"description":null,"description_en":"Free-text comment attached to the observation."}],"field_count":25,"sample_records":[{"FREQ":"A","OBS_COM":null,"OBS_CONF":null,"REF_AREA":"AT","OBS_VALUE":null,"OBS_STATUS":"M","SEE_SYSTEM":"WBR0","TIME_PERIOD":"2008","SERIES_DENOM":"Q","OBS_PRE_BREAK":null,"SSS_INFO_TYPE":"D00","SSS_INSTRUMENT":"Z"},{"FREQ":"A","OBS_COM":null,"OBS_CONF":null,"REF_AREA":"AT","OBS_VALUE":null,"OBS_STATUS":"M","SEE_SYSTEM":"WBR0","TIME_PERIOD":"2008","SERIES_DENOM":"Q","OBS_PRE_BREAK":null,"SSS_INFO_TYPE":"D01","SSS_INSTRUMENT":"Z"},{"FREQ":"A","OBS_COM":null,"OBS_CONF":null,"REF_AREA":"AT","OBS_VALUE":null,"OBS_STATUS":"M","SEE_SYSTEM":"WBR0","TIME_PERIOD":"2008","SERIES_DENOM":"Q","OBS_PRE_BREAK":null,"SSS_INFO_TYPE":"D03","SSS_INSTRUMENT":"Z"},{"FREQ":"A","OBS_COM":null,"OBS_CONF":null,"REF_AREA":"AT","OBS_VALUE":null,"OBS_STATUS":"M","SEE_SYSTEM":"WBR0","TIME_PERIOD":"2008","SERIES_DENOM":"Q","OBS_PRE_BREAK":null,"SSS_INFO_TYPE":"D04","SSS_INSTRUMENT":"Z"},{"FREQ":"A","OBS_COM":null,"OBS_CONF":"F","REF_AREA":"AT","OBS_VALUE":80,"OBS_STATUS":"A","SEE_SYSTEM":"WBR0","TIME_PERIOD":"2018","SERIES_DENOM":"Q","OBS_PRE_BREAK":null,"SSS_INFO_TYPE":"D0T","SSS_INSTRUMENT":"Z"}],"record_count":null,"data_size_bytes":null,"dataset_count":null,"query_examples":[{"url":"https://data-api.ecb.europa.eu/service/dataflow/ECB","curl":"curl -s 'https://data-api.ecb.europa.eu/service/dataflow/ECB' -H 'Accept: application/vnd.sdmx.structure+xml;version=2.1'","label":"List dataflows","method":"GET","description":"All dataflows (datasets) published by this agency, as SDMX-ML."},{"url":"https://data-api.ecb.europa.eu/service/dataflow/ECB/SEE?references=all","curl":"curl -s 'https://data-api.ecb.europa.eu/service/dataflow/ECB/SEE?references=all' -H 'Accept: application/vnd.sdmx.structure+xml;version=2.1'","label":"Dataflow structure","method":"GET","description":"Full structure of the SEE dataflow: dimensions, code lists, attributes."},{"url":"https://data-api.ecb.europa.eu/service/data/SEE/all?lastNObservations=5&format=jsondata","curl":"curl -s 'https://data-api.ecb.europa.eu/service/data/SEE/all?lastNObservations=5&format=jsondata'","label":"Fetch observations (JSON)","method":"GET","description":"Latest observations as SDMX-JSON (the response embeds the dimension structure). Add a key like /data/SEE/D.USD.EUR.SP00.A to select a series."}],"status":"ok","error_message":null,"profiled_at":"2026-10-15T17:10:57.746Z","run_id":"a01f4f47-22b5-499a-88ef-c92eae20d02b","created_at":"2026-07-19T21:45:45.656Z","updated_at":"2026-10-15T17:10:57.746Z","license_raw":null,"license_id":null,"consecutive_failure_count":0,"last_error_at":null,"last_error_message":null,"previewable":true,"personal_data":{"status":"none","basis":"no_person_column_cited","grain":"none","allowed":true,"columns":{"direct_identifiers":[],"family_names":[],"given_names":[],"attributes":[],"unresolved_names":[],"measures":["OBS_VALUE"],"entity_identifiers":[]},"publication":null,"publication_evidence":null,"notice":"personal data: no cited column names a natural person (the cited columns are all this reads)"}},"datasets":[],"limits":[],"manifest":{"answer_sha256":"85d4da466ee4db3037603b399465dd6b7ebe32bfac65c619747bdef16fc05a80","answer_sha256_rule":"sha256 (hex, UTF-8) of JSON.stringify(this body) after deleting the keys listed in manifest.stamped_keys from manifest, and deleting manifest itself if it is then empty. The hash was computed before the stamp existed, so no field of the stamp is inside it.","stamped_keys":["answer_sha256","answer_sha256_rule","stamped_keys","row_count","row_count_basis","live","live_basis","created_at","created_at_basis","durable_citation"],"row_count":46,"row_count_basis":"Objects that are elements of a JSON array anywhere in this body, excluding manifest. Not a claim about which collection is the answer. Largest single collection: data_profile.fields[] (25 rows).","live":false,"live_basis":"This body was replayed from the worker edge cache (x-edge-cache: hit); the bytes, and therefore answer_sha256, are those of the execution that filled the cache.","created_at":"2026-10-17T05:58:29.133Z","created_at_basis":"When this response body was assembled, deliberately OUTSIDE the hashed bytes so the same answer hashes identically on every request. Not the upstream read time — that is provenance[].retrieved_at. A zone-cached replay carries the assembly time, not your receipt time.","durable_citation":"This manifest is produced at response time and is NOT stored. A durable, replayable citation is persisted only on an explicit cite: GET /api/v1/entries/{id-or-slug}/evidence, or the MCP cite_query tool. Both are entry-scoped, because evidence_manifests is entry-shaped; a domain answer spanning several sources has no single entry and cannot be persisted through that path."}}