{"source":"polymarket","id":"753547","ticker":"another-nato-article-4-byptptpt-20260726214235871","slug":"another-nato-article-4-byptptpt-20260726214235871","title":"Another NATO article 4 by...?","description":"NATO's Article 4 allows any member to call for consultations with allies if it believes its territorial integrity, political independence, or security to be threatened.\n\nThis market will resolve to \"Yes\" if any NATO member invokes Article 4 of the North Atlantic Treaty between market creation and the specified date 11:59 PM ET. Otherwise, it will resolve to \"No\".\n\nArticle 4 is considered invoked as soon as a member formally requests consultations with NATO allies under Article 4, regardless of whether the request is later revoked.\n\nFor example, Poland's request for consultations on September 10, 2025, or Estonia's request on September 24, 2025 would each qualify for a \"Yes\" resolution.\n\nIf a member state only expresses intent to or is considering invoking Article 4, that alone does not suffice for a \"Yes\" resolution.\n\nThe primary resolution source for this market will be official information from NATO; authoritative statements from the requesting member government may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/another-nato-article-4-by-october-15-A8ttT9rrGvXa.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/another-nato-article-4-by-october-15-A8ttT9rrGvXa.png","active":true,"closed":false,"start_date":"2026-07-26T22:32:21.320061Z","end_date":"2026-12-31T23:59:00Z","closed_time":null,"volume":8262.981736,"volume_24hr":2156.731994,"volume_24h_change":null,"normalized_vol_24hr":22.35330581665039,"normalized_volume":16.524555206298828,"liquidity":6258.5748,"open_interest":2711.830511,"categories":["Politics"],"tags":[{"id":"101438","slug":"romania","label":"Romania"},{"id":"96","slug":"ukraine","label":"Ukraine"},{"id":"100265","slug":"geopolitics","label":"Geopolitics"},{"id":"101872","slug":"drone-strike","label":"drone strike"},{"id":"464","slug":"military-action","label":"Military Actions"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"December 31","top_outcome_probability":0.325,"top_outcome_prob_24h_change":-0.0050000000000000044,"top_outcome_volume_24h_change":-949.1963719999999,"updated_at":"2026-07-28T06:38:11.710124Z","fetched_at":"2026-07-28T06:38:11.710124Z","added_at":"2026-07-27T16:55:53.082078Z","url":"https://polymarket.com/event/another-nato-article-4-byptptpt-20260726214235871","chart_24h":[7784.7800720000005,7798.7800720000005,7798.7800720000005,7798.7800720000005,7798.7800720000005,7946.770072,7946.770072,8162.811736000001,8162.811736000001,8122.811736000001,8010.811736000001,8010.811736000001,7497.052361000001,6273.820177,6218.820177,6139.820177,6139.820177,6139.820177,6198.614724,5325.914724,5007.744724,4220.584724,3787.804724],"markets":[{"source":"polymarket","id":"3121260","event_id":"753547","slug":"another-nato-article-4-invocation-by-december-31-2026-20260726214511854","question":"Another NATO Article 4 invocation by December 31, 2026?","group_item_title":"December 31","description":"NATO's Article 4 allows any member to call for consultations with allies if it believes its territorial integrity, political independence, or security to be threatened.\n\nThis market will resolve to \"Yes\" if any NATO member invokes Article 4 of the North Atlantic Treaty between market creation and the specified date 11:59 PM ET. Otherwise, it will resolve to \"No\".\n\nArticle 4 is considered invoked as soon as a member formally requests consultations with NATO allies under Article 4, regardless of whether the request is later revoked.\n\nFor example, Poland's request for consultations on September 10, 2025, or Estonia's request on September 24, 2025 would each qualify for a \"Yes\" resolution.\n\nIf a member state only expresses intent to or is considering invoking Article 4, that alone does not suffice for a \"Yes\" resolution.\n\nThe primary resolution source for this market will be official information from NATO; authoritative statements from the requesting member government may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.325,0.675],"probability":0.325,"spread":0.03,"active":true,"closed":false,"start_date":"2026-07-26T22:54:11.757766Z","end_date":"2026-12-31T23:59:00Z","closed_time":null,"volume":1488.7734769999997,"volume_24hr":497.587105,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":-949.1963719999999,"normalized_vol_24hr":17.291576385498047,"normalized_volume":14.824421882629395,"liquidity":1479.9674,"categories":["Politics"],"countries":[],"updated_at":"2026-07-28T06:39:56.082330Z","fetched_at":"2026-07-28T06:38:11.926677Z","added_at":"2026-07-27T16:55:53.154738Z","url":"https://polymarket.com/event/another-nato-article-4-byptptpt-20260726214235871/another-nato-article-4-invocation-by-december-31-2026-20260726214511854","event_title":"Another NATO article 4 by...?","chart_24h":[0.33,0.33,0.325,0.325,0.325,0.325,0.325,0.325,0.325,0.325]},{"source":"polymarket","id":"3121259","event_id":"753547","slug":"another-nato-article-4-invocation-by-october-31-2026-20260726214511853","question":"Another NATO Article 4 invocation by October 31, 2026?","group_item_title":"October 31","description":"NATO's Article 4 allows any member to call for consultations with allies if it believes its territorial integrity, political independence, or security to be threatened.\n\nThis market will resolve to \"Yes\" if any NATO member invokes Article 4 of the North Atlantic Treaty between market creation and the specified date 11:59 PM ET. Otherwise, it will resolve to \"No\".\n\nArticle 4 is considered invoked as soon as a member formally requests consultations with NATO allies under Article 4, regardless of whether the request is later revoked.\n\nFor example, Poland's request for consultations on September 10, 2025, or Estonia's request on September 24, 2025 would each qualify for a \"Yes\" resolution.\n\nIf a member state only expresses intent to or is considering invoking Article 4, that alone does not suffice for a \"Yes\" resolution.\n\nThe primary resolution source for this market will be official information from NATO; authoritative statements from the requesting member government may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.235,0.765],"probability":0.235,"spread":0.03,"active":true,"closed":false,"start_date":"2026-07-26T22:32:21.320061Z","end_date":"2026-10-31T23:59:00Z","closed_time":null,"volume":2641.3168730000007,"volume_24hr":468.803978,"prob_24h_change":0.06,"volume_24h_change":-1847.891231,"normalized_vol_24hr":16.96211051940918,"normalized_volume":17.240938186645508,"liquidity":2387.193,"categories":["Politics"],"countries":[],"updated_at":"2026-07-28T06:39:56.082330Z","fetched_at":"2026-07-28T06:38:11.926677Z","added_at":"2026-07-27T16:55:53.154738Z","url":"https://polymarket.com/event/another-nato-article-4-byptptpt-20260726214235871/another-nato-article-4-invocation-by-october-31-2026-20260726214511853","event_title":"Another NATO article 4 by...?","chart_24h":[0.175,0.185,0.175,0.17,0.16,0.155,0.22,0.215,0.22,0.195,0.19,0.195,0.195,0.2,0.205,0.205,0.225,0.23]},{"source":"polymarket","id":"3121258","event_id":"753547","slug":"another-nato-article-4-invocation-by-august-31-2026-20260726214511852","question":"Another NATO Article 4 invocation by August 31, 2026?","group_item_title":"August 31","description":"NATO's Article 4 allows any member to call for consultations with allies if it believes its territorial integrity, political independence, or security to be threatened.\n\nThis market will resolve to \"Yes\" if any NATO member invokes Article 4 of the North Atlantic Treaty between market creation and the specified date 11:59 PM ET. Otherwise, it will resolve to \"No\".\n\nArticle 4 is considered invoked as soon as a member formally requests consultations with NATO allies under Article 4, regardless of whether the request is later revoked.\n\nFor example, Poland's request for consultations on September 10, 2025, or Estonia's request on September 24, 2025 would each qualify for a \"Yes\" resolution.\n\nIf a member state only expresses intent to or is considering invoking Article 4, that alone does not suffice for a \"Yes\" resolution.\n\nThe primary resolution source for this market will be official information from NATO; authoritative statements from the requesting member government may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.13,0.87],"probability":0.13,"spread":0.02,"active":true,"closed":false,"start_date":"2026-07-26T22:46:22.910589Z","end_date":"2026-08-31T23:59:00Z","closed_time":null,"volume":4132.891385999999,"volume_24hr":1190.3409110000002,"prob_24h_change":0.015,"volume_24h_change":-2880.9604750000003,"normalized_vol_24hr":22.481067657470703,"normalized_volume":19.255189895629883,"liquidity":2220.9863,"categories":["Politics"],"countries":[],"updated_at":"2026-07-28T06:22:43.432825Z","fetched_at":"2026-07-28T06:05:58.304043Z","added_at":"2026-07-27T16:55:53.154738Z","url":"https://polymarket.com/event/another-nato-article-4-byptptpt-20260726214235871/another-nato-article-4-invocation-by-august-31-2026-20260726214511852","event_title":"Another NATO article 4 by...?","chart_24h":[0.115,0.115,0.115,0.115,0.115,0.12,0.13,0.13,0.13,0.13]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/753547","as_of":"2026-07-28T06:53:00.344610Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Another NATO article 4 by...?\" — top market at 13% probability across 3 outcomes","source_url":null}}