{"id":"INC-polymarket-cmu8sider0if81brutkqmg3kf","kind":"incident","aliases":[],"related":[],"title":"Polymarket: Trading Degraded - Predictions","description":"Type: Incident\n    Duration: 42 minutes\n\n    Affected Components: Markets and Position Data, Clob Websocket,   On-chain Settlement (Polygon RPC), Websocket (RTDS),   Predictions Trading API (CLOB)\n    Sep 19, 20:20:41 GMT+0 - Resolved - Trading is now back online. The disruption was caused by degraded block production on Polygon PoS, which delayed transaction confirmations. The issue has now been resolved: \n\nApologies for the delay, and thank you for your patience. Sep 19, 20:09:00 GMT+0 - Monitoring - Trading will be re-enabled at 16:10 ET (20:10 UTC). Apologies for the delay. Sep 19, 19:38:15 GMT+0 - Investigating - We are currently investigating this incident.","summary":null,"severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Polymarket","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["incident","ops","polymarket","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"resolved","published_at":"2026-09-19T19:38:15+00:00","first_seen_at":"2026-11-08T17:00:43+00:00","triaged_at":"2026-11-08T17:01:15+00:00","updated_at":"2026-11-08T17:01:15+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'+0':45C,89C,114C '00':87C '09':86C '10':99C,102C '15':112C '16':98C '19':40C,84C,109C,110C '20':41C,42C,85C,101C '38':111C '41':43C '42':17C 'affect':19C 'api':37C 'apolog':73C,104C 'back':50C 'block':58C 'caus':55C 'chain':29C 'clob':25C,38C 'cmu8sider0if81brutkqmg3kf':8A 'compon':20C 'confirm':66C 'current':118C 'data':24C 'degrad':3A,57C 'delay':64C,76C,107C 'disrupt':53C 'durat':16C 'enabl':96C 'et':100C 'gmt':44C,88C,113C 'inc':6A 'inc-polymarket-cmu8sider0if81brutkqmg3kf':5A 'incid':10B,15C,121C 'investig':115C,119C 'issu':68C 'market':21C 'minut':18C 'monitor':90C 'on-chain':27C 'onlin':51C 'op':11B 'patienc':82C 'polygon':31C,61C 'polymarket':1A,7A,9A,12B 'pos':62C 'posit':23C 'predict':4A,35C 'product':59C 're':95C 're-en':94C 'resolv':46C,72C 'rpc':32C 'rtds':34C 'sep':39C,83C,108C 'settlement':30C 'thank':78C 'trade':2A,36C,47C,91C 'transact':65C 'type':14C 'utc':103C 'vendor':13B 'websocket':26C,33C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["polymarket"],"ptokens":["polymarket"],"labels":["incident","ops","polymarket","unknown","vendor"],"campaign_type":null,"search_a":"'cmu8sider0if81brutkqmg3kf':8A 'degrad':3A 'inc':6A 'inc-polymarket-cmu8sider0if81brutkqmg3kf':5A 'polymarket':1A,7A,9A 'predict':4A 'trade':2A","search_b":"'incid':10B 'op':11B 'polymarket':12B 'vendor':13B","search_c":"'+0':45C,89C,114C '00':87C '09':86C '10':99C,102C '15':112C '16':98C '19':40C,84C,109C,110C '20':41C,42C,85C,101C '38':111C '41':43C '42':17C 'affect':19C 'api':37C 'apolog':73C,104C 'back':50C 'block':58C 'caus':55C 'chain':29C 'clob':25C,38C 'compon':20C 'confirm':66C 'current':118C 'data':24C 'degrad':57C 'delay':64C,76C,107C 'disrupt':53C 'durat':16C 'enabl':96C 'et':100C 'gmt':44C,88C,113C 'incid':15C,121C 'investig':115C,119C 'issu':68C 'market':21C 'minut':18C 'monitor':90C 'on-chain':27C 'onlin':51C 'patienc':82C 'polygon':31C,61C 'pos':62C 'posit':23C 'predict':35C 'product':59C 're':95C 're-en':94C 'resolv':46C,72C 'rpc':32C 'rtds':34C 'sep':39C,83C,108C 'settlement':30C 'thank':78C 'trade':36C,47C,91C 'transact':65C 'type':14C 'utc':103C 'websocket':26C,33C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-09-19T19:38:15+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"polymarket:cmu8sider0if81brutkqmg3kf","url":"https://status.polymarket.com/incident/cmu8sider0if81brutkqmg3kf","severity":null,"published_at":"2026-09-19T19:38:15+00:00","modified_at":"2026-09-19T19:38:15+00:00","first_seen_at":"2026-11-08T17:00:43+00:00","fetched_at":"2026-11-09T01:49:38+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}