{"source":"kalshi","id":"KXGPTCOST-27","ticker":"KXGPTCOST-27","slug":"KXGPTCOST-27","title":"Will OpenAI increase the cost of ChatGPT?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-01-03T15:00:00Z","end_date":"2027-01-01T15:00:00Z","closed_time":null,"volume":46682.65,"volume_24hr":1139.17,"volume_24h_change":null,"normalized_vol_24hr":15.660468101501465,"normalized_volume":30.01166534423828,"liquidity":null,"open_interest":21375.29,"categories":["Science and Technology"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Before 2027","top_outcome_probability":0.32,"top_outcome_prob_24h_change":0.020000000000000018,"top_outcome_volume_24h_change":1026.27,"updated_at":"2026-05-27T04:37:58.133663Z","fetched_at":"2026-05-27T04:37:58.133663Z","added_at":null,"url":"https://kalshi.com/markets/kxgptcost/will-openai-increase-the-cost-of-chatgpt/kxgptcost-27","chart_24h":[112.9,144.77,144.77,161.77,156.77,682.77,1119.29,1082.39,1083.82,1068.44,1094.17,1139.17],"markets":[{"source":"kalshi","id":"KXGPTCOST-27","event_id":"KXGPTCOST-27","slug":"KXGPTCOST-27","question":"Will OpenAI increase the cost of ChatGPT?","group_item_title":"Before 2027","description":"If either ChatGPT Pro or Plus have a price increase after December 19, 2024 and before Jan 1, 2027, then the market resolves to Yes.\n\n---\n\nAt the time of this market opening, the price of Plus is $20/m and the price of Pro is $200/m.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.32,0.6799999999999999],"probability":0.32,"spread":0.04999999999999999,"active":true,"closed":false,"start_date":"2026-01-03T15:00:00Z","end_date":"2027-01-01T15:00:00Z","closed_time":"2027-01-01T15:00:00Z","volume":46682.65,"volume_24hr":1139.17,"prob_24h_change":0.020000000000000018,"volume_24h_change":1026.27,"normalized_vol_24hr":16.504749298095703,"normalized_volume":37.50468444824219,"liquidity":null,"categories":["Science and Technology"],"updated_at":"2026-05-27T04:39:03.559955Z","fetched_at":"2026-05-27T04:37:58.200266Z","added_at":null,"url":"https://kalshi.com/markets/kxgptcost/will-openai-increase-the-cost-of-chatgpt/kxgptcost-27","event_title":"Will OpenAI increase the cost of ChatGPT?","chart_24h":[0.3,0.31,0.32,0.32,0.32,0.32,0.32,0.34,0.31,0.32,0.32,0.32,0.38,0.38,0.32]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXGPTCOST-27","as_of":"2026-05-27T05:29:16.631311Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Will OpenAI increase the cost of ChatGPT?\" — top market at 32% probability across 1 outcome","source_url":null}}