{"source":"kalshi","id":"KXMARSVRAIL-50","ticker":"KXMARSVRAIL-50","slug":"KXMARSVRAIL-50","title":"Will a human land on Mars before California starts high-speed rail?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2025-06-27T20:45:00Z","end_date":"2050-01-08T15:00:00Z","closed_time":null,"volume":14929.04,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":20.641206741333008,"liquidity":null,"open_interest":6532.19,"categories":["Science and Technology"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Before 2050","top_outcome_probability":0.35,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-07-23T11:58:48.297206Z","fetched_at":"2026-07-23T11:58:48.297206Z","added_at":null,"url":"https://kalshi.com/markets/kxmarsvrail/will-a-human-land-on-mars-before-california-starts-high-speed-rail/kxmarsvrail-50","chart_24h":null,"markets":[{"source":"kalshi","id":"KXMARSVRAIL-50","event_id":"KXMARSVRAIL-50","slug":"KXMARSVRAIL-50","question":"Will a human land on Mars before California starts high-speed rail?","group_item_title":"Before 2050","description":"If a human lands on Mars before California starts its high speed rail service for the public before Jan 1, 2050, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.35,0.65],"probability":0.35,"spread":0.019999999999999962,"active":true,"closed":false,"start_date":"2025-06-27T20:45:00Z","end_date":"2050-01-08T15:00:00Z","closed_time":"2050-01-01T04:59:00Z","volume":14929.04,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":24.03999137878418,"liquidity":null,"categories":["Science and Technology"],"countries":["United States"],"updated_at":"2026-07-25T09:38:07.970398Z","fetched_at":"2026-07-25T09:38:07.970398Z","added_at":null,"url":"https://kalshi.com/markets/kxmarsvrail/will-a-human-land-on-mars-before-california-starts-high-speed-rail/kxmarsvrail-50","event_title":"Will a human land on Mars before California starts high-speed rail?","chart_24h":[0.35,0.35,0.35,0.35,0.35,0.35,0.35,0.35,0.35,0.35,0.35,0.35,0.35,0.35]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXMARSVRAIL-50","as_of":"2026-07-25T15:06:10.540489Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Will a human land on Mars before California starts high-speed rail?\" — top market at 35% probability across 1 outcome","source_url":null}}