{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/kalshi/KXCO2LEVEL-30","as_of":"2026-10-24T07:00:11.474019Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"How bad will CO2 atmospheric concentration get before 2030?\" — 5 markets; highest \"At least 440\" at 86% as of 2026-10-23 UTC. https://pdata.world/events/kalshi/KXCO2LEVEL-30","source_url":"https://kalshi.com/markets/kxco2level/how-bad-will-co2-atmospheric-concentration-get-before-2030/kxco2level-30"},"source":"kalshi","id":"KXCO2LEVEL-30","ticker":"KXCO2LEVEL-30","slug":"KXCO2LEVEL-30","title":"How bad will CO2 atmospheric concentration get before 2030?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2025-07-02T14:00:00Z","end_date":"2030-01-16T15:00:00Z","closed_time":null,"volume":14945.77,"volume_24hr":79.61,"volume_24h_change":null,"normalized_vol_24hr":6.431182861328125,"normalized_volume":24.74881362915039,"liquidity":null,"open_interest":5014.79,"categories":["World"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"At least 440","top_outcome_probability":0.86,"top_outcome_prob_24h_change":null,"top_outcome_volume_24h_change":null,"updated_at":"2026-10-23T18:53:29.010130Z","fetched_at":"2026-10-23T18:53:29.010130Z","added_at":null,"url":"https://kalshi.com/markets/kxco2level/how-bad-will-co2-atmospheric-concentration-get-before-2030/kxco2level-30","chart_24h":null,"kind":"live","mutually_exclusive":false,"markets_total":5,"markets":[{"source":"kalshi","id":"KXCO2LEVEL-30-445","event_id":"KXCO2LEVEL-30","slug":"KXCO2LEVEL-30-445","question":"How bad will CO2 atmospheric concentration get before 2030?","group_item_title":"At least 445","description":"If the atmospheric concentration of CO2 is at least 445 before Jan 2030, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.3,0.7],"probability":0.3,"spread":0.07,"active":true,"closed":false,"start_date":"2025-07-02T14:00:00Z","end_date":"2030-01-16T15:00:00Z","closed_time":"2030-01-01T04:59:00Z","result":null,"volume":4215.26,"volume_24hr":79.61,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":7.208184719085693,"normalized_volume":21.6874942779541,"liquidity":null,"categories":["World"],"countries":[],"updated_at":"2026-10-23T19:22:51.574888Z","fetched_at":"2026-10-23T19:22:51.574888Z","added_at":null,"url":"https://kalshi.com/markets/kxco2level/how-bad-will-co2-atmospheric-concentration-get-before-2030/kxco2level-30","event_title":"How bad will CO2 atmospheric concentration get before 2030?","chart_24h":null},{"source":"kalshi","id":"KXCO2LEVEL-30-440","event_id":"KXCO2LEVEL-30","slug":"KXCO2LEVEL-30-440","question":"How bad will CO2 atmospheric concentration get before 2030?","group_item_title":"At least 440","description":"If the atmospheric concentration of CO2 is at least 440 before Jan 2030, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.86,0.14],"probability":0.86,"spread":0.07999999999999996,"active":true,"closed":false,"start_date":"2025-07-02T14:00:00Z","end_date":"2030-01-16T15:00:00Z","closed_time":"2030-01-01T04:59:00Z","result":null,"volume":3518.74,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":20.759326934814453,"liquidity":null,"categories":["World"],"countries":[],"updated_at":"2026-10-22T09:03:49.783153Z","fetched_at":"2026-10-22T09:03:49.783153Z","added_at":null,"url":"https://kalshi.com/markets/kxco2level/how-bad-will-co2-atmospheric-concentration-get-before-2030/kxco2level-30","event_title":"How bad will CO2 atmospheric concentration get before 2030?","chart_24h":null},{"source":"kalshi","id":"KXCO2LEVEL-30-450","event_id":"KXCO2LEVEL-30","slug":"KXCO2LEVEL-30-450","question":"How bad will CO2 atmospheric concentration get before 2030?","group_item_title":"At least 450","description":"If the atmospheric concentration of CO2 is at least 450 before Jan 2030, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.13,0.87],"probability":0.13,"spread":0.07999999999999999,"active":true,"closed":false,"start_date":"2025-07-02T14:00:00Z","end_date":"2030-01-16T15:00:00Z","closed_time":"2030-01-01T04:59:00Z","result":null,"volume":4363.39,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":21.867305755615234,"liquidity":null,"categories":["World"],"countries":[],"updated_at":"2026-10-22T09:03:49.783153Z","fetched_at":"2026-10-22T09:03:49.783153Z","added_at":null,"url":"https://kalshi.com/markets/kxco2level/how-bad-will-co2-atmospheric-concentration-get-before-2030/kxco2level-30","event_title":"How bad will CO2 atmospheric concentration get before 2030?","chart_24h":null},{"source":"kalshi","id":"KXCO2LEVEL-30-460","event_id":"KXCO2LEVEL-30","slug":"KXCO2LEVEL-30-460","question":"How bad will CO2 atmospheric concentration get before 2030?","group_item_title":"At least 460","description":"If the atmospheric concentration of CO2 is at least 460 before Jan 2030, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.09,0.91],"probability":0.09,"spread":0.08,"active":true,"closed":false,"start_date":"2025-07-02T14:00:00Z","end_date":"2030-01-16T15:00:00Z","closed_time":"2030-01-01T04:59:00Z","result":null,"volume":1977.46,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":17.933761596679688,"liquidity":null,"categories":["World"],"countries":[],"updated_at":"2026-10-22T14:26:49.921225Z","fetched_at":"2026-10-22T14:26:49.921225Z","added_at":null,"url":"https://kalshi.com/markets/kxco2level/how-bad-will-co2-atmospheric-concentration-get-before-2030/kxco2level-30","event_title":"How bad will CO2 atmospheric concentration get before 2030?","chart_24h":null},{"source":"kalshi","id":"KXCO2LEVEL-30-455","event_id":"KXCO2LEVEL-30","slug":"KXCO2LEVEL-30-455","question":"How bad will CO2 atmospheric concentration get before 2030?","group_item_title":"At least 455","description":"If the atmospheric concentration of CO2 is at least 455 before Jan 2030, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.05,0.95],"probability":0.05,"spread":0.08,"active":true,"closed":false,"start_date":"2025-07-02T14:00:00Z","end_date":"2030-01-16T15:00:00Z","closed_time":"2030-01-01T04:59:00Z","result":null,"volume":870.92,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":14.270730972290039,"liquidity":null,"categories":["World"],"countries":[],"updated_at":"2026-10-23T18:53:29.195765Z","fetched_at":"2026-10-23T18:53:29.195765Z","added_at":null,"url":"https://kalshi.com/markets/kxco2level/how-bad-will-co2-atmospheric-concentration-get-before-2030/kxco2level-30","event_title":"How bad will CO2 atmospheric concentration get before 2030?","chart_24h":null}]}