{"source":"kalshi","id":"KXSP500ADDQ-26JUL01","ticker":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01","title":"Which companies will be added to the S&P 500 in Q2 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":null,"volume":72633.81,"volume_24hr":2408.34,"volume_24h_change":null,"normalized_vol_24hr":20.52208137512207,"normalized_volume":32.530357360839844,"liquidity":null,"open_interest":38765.3,"categories":["Business"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Alnylam Pharmaceuticals","top_outcome_probability":0.22,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-05-27T00:39:10.271885Z","fetched_at":"2026-05-27T00:39:10.271885Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","chart_24h":[421.06,454.74,34.07,33.68,1564.66,2408.34],"markets":[{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-PSTG","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-PSTG","question":"Will Pure Storage be added to the S&P 500 in Q2 2026?","group_item_title":"Pure Storage","description":"If Pure Storage is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.14,0.86],"probability":0.14,"spread":0.03,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":9281.0,"volume_24hr":33.68,"prob_24h_change":0.0,"volume_24h_change":33.68,"normalized_vol_24hr":4.458811283111572,"normalized_volume":27.081453323364258,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-26T07:20:11.324719Z","fetched_at":"2026-05-26T07:20:11.324719Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":[0.14,0.14,0.14,0.14]},{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-CRWV","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-CRWV","question":"Will CoreWeave be added to the S&P 500 in Q2 2026?","group_item_title":"CoreWeave","description":"If CoreWeave is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.05,0.95],"probability":0.05,"spread":0.030000000000000002,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":4766.07,"volume_24hr":843.68,"prob_24h_change":0.0,"volume_24h_change":843.68,"normalized_vol_24hr":16.102272033691406,"normalized_volume":23.275014877319336,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-27T00:39:58.813825Z","fetched_at":"2026-05-27T00:39:10.321617Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":[0.05,0.05,0.05]},{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-SOFI","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-SOFI","question":"Will SoFi be added to the S&P 500 in Q2 2026?","group_item_title":"SoFi","description":"If SoFi is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.07,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":16964.16,"volume_24hr":1530.98,"prob_24h_change":-0.1,"volume_24h_change":1109.92,"normalized_vol_24hr":19.073083877563477,"normalized_volume":30.774930953979492,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-26T20:14:18.951538Z","fetched_at":"2026-05-26T20:14:18.951538Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":[0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.01,0.01]},{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-ALNY","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-ALNY","question":"Will Alnylam Pharmaceuticals be added to the S&P 500 in Q2 2026?","group_item_title":"Alnylam Pharmaceuticals","description":"If Alnylam Pharmaceuticals is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.22,0.78],"probability":0.22,"spread":0.03,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":6355.97,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":24.883811950683594,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-26T19:49:00.500352Z","fetched_at":"2026-05-26T00:07:16.663975Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":null},{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-RDDT","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-RDDT","question":"Will Reddit be added to the S&P 500 in Q2 2026?","group_item_title":"Reddit","description":"If Reddit is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.19,0.81],"probability":0.19,"spread":0.06,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":10025.11,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":27.540573120117188,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-26T23:46:05.255061Z","fetched_at":"2026-05-26T23:46:05.255061Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":[0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19,0.19]},{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-AFRM","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-AFRM","question":"Will Affirm Holdings be added to the S&P 500 in Q2 2026?","group_item_title":"Affirm Holdings","description":"If Affirm Holdings is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.06,0.94],"probability":0.06,"spread":0.07,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":2641.28,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":20.144744873046875,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-27T00:39:10.321617Z","fetched_at":"2026-05-27T00:39:10.321617Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":[0.06,0.06,0.06]},{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-MSTR","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-MSTR","question":"Will Strategy (MicroStrategy) be added to the S&P 500 in Q2 2026?","group_item_title":"Strategy (MicroStrategy)","description":"If Strategy (MicroStrategy) is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.05,0.95],"probability":0.05,"spread":0.02,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":5211.45,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":23.76851463317871,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-26T21:34:23.804740Z","fetched_at":"2026-05-25T00:43:21.091660Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":[0.05,0.05]},{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-SPAC","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-SPAC","question":"Will SpaceX be added to the S&P 500 in Q2 2026?","group_item_title":"SpaceX","description":"If SpaceX is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.03,0.97],"probability":0.03,"spread":0.06,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":16661.49,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":30.661264419555664,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-26T22:52:37.100329Z","fetched_at":"2026-05-26T22:52:37.100329Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":[0.03,0.03,0.03]},{"source":"kalshi","id":"KXSP500ADDQ-26JUL01-TOST","event_id":"KXSP500ADDQ-26JUL01","slug":"KXSP500ADDQ-26JUL01-TOST","question":"Will Toast be added to the S&P 500 in Q2 2026?","group_item_title":"Toast","description":"If Toast is announced to be or is officially added to S&P 500 during April 1, 2026 to June 30, 2026, then the market resolves to Yes.\n\n---\n\nThe market resolves to Yes if either the index administrator officially announces the membership change OR the change takes effect during the specified time period, whichever occurs first. The effective date of the change need not fall within the time period; only the announcement or implementation must occur within the time period. Temporary suspensions do not constitute removal unless explicitly designated as permanent by the index administrator. If an announced addition or removal is subsequently reversed due to error within the time period, the Exchange will determine resolution at its discretion. For companies undergoing mergers, acquisitions, or restructuring, removal from the index due to such corporate actions constitutes removal for purposes of this market. If a spin-off or successor entity is immediately added in place of the original company, the original company is still considered removed. Regular scheduled rebalancing events count as additions or removals if the company's membership status changes during such rebalancing.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.030000000000000002,"active":true,"closed":false,"start_date":"2026-03-20T14:00:00Z","end_date":"2026-07-01T14:00:00Z","closed_time":"2026-07-01T14:00:00Z","volume":727.28,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":14.094086647033691,"liquidity":null,"categories":["Business"],"updated_at":"2026-05-27T01:46:22.908255Z","fetched_at":"2026-05-27T01:46:22.908255Z","added_at":null,"url":"https://kalshi.com/markets/kxsp500addq/which-companies-will-be-added-to-the-sp-500-in-q2-2026/kxsp500addq-26jul01","event_title":"Which companies will be added to the S&P 500 in Q2 2026?","chart_24h":[0.02,0.02,0.02,0.02]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXSP500ADDQ-26JUL01","as_of":"2026-05-27T02:02:29.641438Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Which companies will be added to the S&P 500 in Q2 2026?\" — top market at 1% probability across 9 outcomes","source_url":null}}