{"source":"kalshi","id":"KXCOMPANYACTIONANTH-27","ticker":"KXCOMPANYACTIONANTH-27","slug":"KXCOMPANYACTIONANTH-27","title":"Will Anthropic sign the Open Weights and American AI Leadership letter?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-28T19:51:00Z","end_date":"2027-01-08T15:00:00Z","closed_time":null,"volume":2349.0,"volume_24hr":2349.0,"volume_24h_change":null,"normalized_vol_24hr":21.072019577026367,"normalized_volume":13.463330268859863,"liquidity":null,"open_interest":1797.0,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Yes","top_outcome_probability":0.22,"top_outcome_prob_24h_change":0.22,"top_outcome_volume_24h_change":2349.0,"updated_at":"2026-07-29T03:53:12.358506Z","fetched_at":"2026-07-29T03:53:12.358506Z","added_at":"2026-07-28T20:01:00.862652Z","url":"https://kalshi.com/markets/kxcompanyactionanth/will-anthropic-sign-the-open-weights-and-american-ai-leadership-letter/kxcompanyactionanth-27","chart_24h":[0.0,1797.0,1849.0,2349.0],"markets":[{"source":"kalshi","id":"KXCOMPANYACTIONANTH-27-27JAN01","event_id":"KXCOMPANYACTIONANTH-27","slug":"KXCOMPANYACTIONANTH-27-27JAN01","question":"Will Anthropic announce signing of the Open Weights and American AI Leadership letter before Jan 1, 2027?","group_item_title":"Yes","description":"If Anthropic officially announces signing of the Open Weights and American AI Leadership letter before Jan 1, 2027, then the market resolves to Yes.\n\n---\n\nThe announcement must be made through official company channels including press releases, SEC filings (8-K, 10-K, 10-Q), earnings calls, investor presentations, verified social media accounts, or official statements to media subsequently confirmed by the company. CEO statements through official channels qualify. Rumors, speculation, unconfirmed reports, leaked information, third-party announcements without company confirmation, and preliminary discussions do not qualify. The announcement must occur after market issuance. Companies are tracked through rebranding and name changes representing the same business entity.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.22,0.78],"probability":0.22,"spread":0.009999999999999981,"active":true,"closed":false,"start_date":"2026-07-28T19:51:00Z","end_date":"2027-01-08T15:00:00Z","closed_time":"2027-01-01T04:59:00Z","volume":2349.0,"volume_24hr":2349.0,"prob_24h_change":0.22,"volume_24h_change":2349.0,"normalized_vol_24hr":24.396677017211914,"normalized_volume":15.680203437805176,"liquidity":null,"categories":["Finance"],"countries":["United States"],"updated_at":"2026-07-29T04:07:19.784031Z","fetched_at":"2026-07-29T04:07:19.784031Z","added_at":"2026-07-28T20:01:01.074558Z","url":"https://kalshi.com/markets/kxcompanyactionanth/will-anthropic-sign-the-open-weights-and-american-ai-leadership-letter/kxcompanyactionanth-27","event_title":"Will Anthropic sign the Open Weights and American AI Leadership letter?","chart_24h":[0.0,0.0,0.0,0.03,0.22,0.22,0.22]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXCOMPANYACTIONANTH-27","as_of":"2026-07-29T06:54:46.644015Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Will Anthropic sign the Open Weights and American AI Leadership letter?\" — top market at 22% probability across 1 outcome","source_url":null}}