{"source":"kalshi","id":"KXOPENSHARE-26SEP28","ticker":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28","title":"OpenAI market share this week","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":null,"volume":3907.86,"volume_24hr":3907.86,"volume_24h_change":null,"normalized_vol_24hr":20.778175354003906,"normalized_volume":18.518798828125,"liquidity":null,"open_interest":3765.15,"categories":["Science and Technology"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 14.0%","top_outcome_probability":0.91,"top_outcome_prob_24h_change":0.91,"top_outcome_volume_24h_change":1250.0,"updated_at":"2026-09-21T21:03:21.938961Z","fetched_at":"2026-09-21T21:03:21.938961Z","added_at":"2026-09-21T16:12:58.392175Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","chart_24h":[0.0,2750.0,2750.0,2765.0,3907.71],"kind":"live","markets":[{"source":"kalshi","id":"KXOPENSHARE-26SEP28-14.0","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-14.0","question":"OpenAI market share this week?","group_item_title":"Above 14.0%","description":"If OpenAI scores above 14.0% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.91,0.08999999999999997],"probability":0.91,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":1250.0,"volume_24hr":1250.0,"prob_24h_change":0.91,"volume_24h_change":1250.0,"normalized_vol_24hr":16.53693962097168,"normalized_volume":15.833077430725098,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T18:44:03.373861Z","fetched_at":"2026-09-21T18:44:03.373861Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.91,0.91]},{"source":"kalshi","id":"KXOPENSHARE-26SEP28-15.8","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-15.8","question":"OpenAI market share this week?","group_item_title":"Above 15.8%","description":"If OpenAI scores above 15.8% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.79,0.20999999999999996],"probability":0.79,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":1000.0,"volume_24hr":1000.0,"prob_24h_change":0.79,"volume_24h_change":1000.0,"normalized_vol_24hr":15.51917839050293,"normalized_volume":14.858635902404785,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T20:06:51.975671Z","fetched_at":"2026-09-21T20:06:51.975671Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.0,0.79]},{"source":"kalshi","id":"KXOPENSHARE-26SEP28-17.3","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-17.3","question":"OpenAI market share this week?","group_item_title":"Above 17.3%","description":"If OpenAI scores above 17.3% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.61,0.39],"probability":0.61,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":0.15,"volume_24hr":0.15,"prob_24h_change":0.61,"volume_24h_change":0.15,"normalized_vol_24hr":0.006351071875542402,"normalized_volume":0.006080751307308674,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T21:03:22.085627Z","fetched_at":"2026-09-21T21:03:22.085627Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.0]},{"source":"kalshi","id":"KXOPENSHARE-26SEP28-21.7","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-21.7","question":"OpenAI market share this week?","group_item_title":"Above 21.7%","description":"If OpenAI scores above 21.7% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.05,0.95],"probability":0.05,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":1657.71,"volume_24hr":1657.71,"prob_24h_change":0.05,"volume_24h_change":1657.71,"normalized_vol_24hr":17.871063232421875,"normalized_volume":17.110416412353516,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T20:33:59.308155Z","fetched_at":"2026-09-21T20:33:59.308155Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.09,0.04,0.04,0.05]},{"source":"kalshi","id":"KXOPENSHARE-26SEP28-11.1","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-11.1","question":"OpenAI market share this week?","group_item_title":"Above 11.1%","description":"If OpenAI scores above 11.1% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.020000000000000018,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T21:03:22.085627Z","fetched_at":"2026-09-21T21:03:22.085627Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.0]},{"source":"kalshi","id":"KXOPENSHARE-26SEP28-16.4","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-16.4","question":"OpenAI market share this week?","group_item_title":"Above 16.4%","description":"If OpenAI scores above 16.4% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T19:25:29.764615Z","fetched_at":"2026-09-21T19:25:29.764615Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.0,0.0]},{"source":"kalshi","id":"KXOPENSHARE-26SEP28-16.9","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-16.9","question":"OpenAI market share this week?","group_item_title":"Above 16.9%","description":"If OpenAI scores above 16.9% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T18:17:03.393730Z","fetched_at":"2026-09-21T18:17:03.393730Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.0]},{"source":"kalshi","id":"KXOPENSHARE-26SEP28-17.8","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-17.8","question":"OpenAI market share this week?","group_item_title":"Above 17.8%","description":"If OpenAI scores above 17.8% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T18:30:32.368091Z","fetched_at":"2026-09-21T18:30:32.368091Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.0]},{"source":"kalshi","id":"KXOPENSHARE-26SEP28-19.3","event_id":"KXOPENSHARE-26SEP28","slug":"KXOPENSHARE-26SEP28-19.3","question":"OpenAI market share this week?","group_item_title":"Above 19.3%","description":"If OpenAI scores above 19.3% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.\n\n---\n\nThis event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.\n\nIf the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.020000000000000018,"active":true,"closed":false,"start_date":"2026-09-21T16:00:00Z","end_date":"2026-09-28T03:59:00Z","closed_time":"2026-09-28T03:59:00Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-09-21T21:03:22.085627Z","fetched_at":"2026-09-21T21:03:22.085627Z","added_at":"2026-09-21T16:12:58.661408Z","url":"https://kalshi.com/markets/kxopenshare/openai-market-share-this-week/kxopenshare-26sep28","event_title":"OpenAI market share this week","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXOPENSHARE-26SEP28","as_of":"2026-09-21T21:09:40.927066Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"OpenAI market share this week\" — top market at 5% probability across 9 outcomes","source_url":null}}