{ "slug": "boston-calling-music-festival-2027-headliners", "event_ticker": "KXHEADLINE-BOS27DEC31", "series_ticker": "KXHEADLINE", "title": "Boston Calling Music Festival 2027: Headliners", "category": "Entertainment", "url": "https://kalshiview.com/markets/boston-calling-music-festival-2027-headliners/", "kalshi_url": "https://kalshi.com/markets/kxheadline", "updated": "2026-09-29T23:20:00+00:00", "closed": false, "volume_contracts": 121501.14, "volume_24h_contracts": 7624.63, "open_interest_contracts": 20695.13, "outcomes": [ { "name": "Lana Del Rey", "ticker": "KXHEADLINE-BOS27DEC31-LAN", "probability": 0.48, "change_24h": -0.02, "volume_contracts": 4099.28, "open_interest_contracts": 480.13, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Glass Animals", "ticker": "KXHEADLINE-BOS27DEC31-GLA", "probability": 0.39, "change_24h": 0.0, "volume_contracts": 7251.1, "open_interest_contracts": 1020.89, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Noah Kahan", "ticker": "KXHEADLINE-BOS27DEC31-NOA", "probability": 0.345, "change_24h": 0.0, "volume_contracts": 8561.1, "open_interest_contracts": 702.22, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Pearl Jam", "ticker": "KXHEADLINE-BOS27DEC31-PEA", "probability": 0.175, "change_24h": null, "volume_contracts": 0.0, "open_interest_contracts": 0.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Lorde", "ticker": "KXHEADLINE-BOS27DEC31-LOR", "probability": 0.175, "change_24h": null, "volume_contracts": 0.0, "open_interest_contracts": 0.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Tyler, The Creator", "ticker": "KXHEADLINE-BOS27DEC31-TYL", "probability": 0.175, "change_24h": null, "volume_contracts": 0.0, "open_interest_contracts": 0.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "The Lumineers", "ticker": "KXHEADLINE-BOS27DEC31-LUM", "probability": 0.17, "change_24h": 0.08, "volume_contracts": 4850.0, "open_interest_contracts": 722.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "The Strokes", "ticker": "KXHEADLINE-BOS27DEC31-STR", "probability": 0.155, "change_24h": -0.01, "volume_contracts": 17120.41, "open_interest_contracts": 2925.35, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Vampire Weekend", "ticker": "KXHEADLINE-BOS27DEC31-VAM", "probability": 0.145, "change_24h": 0.03, "volume_contracts": 6324.98, "open_interest_contracts": 975.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "The Black Keys", "ticker": "KXHEADLINE-BOS27DEC31-BLA", "probability": 0.145, "change_24h": null, "volume_contracts": 0.0, "open_interest_contracts": 0.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Chappell Roan", "ticker": "KXHEADLINE-BOS27DEC31-CHA", "probability": 0.145, "change_24h": null, "volume_contracts": 0.0, "open_interest_contracts": 0.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Jack Harlow", "ticker": "KXHEADLINE-BOS27DEC31-JAC", "probability": 0.135, "change_24h": 0.0, "volume_contracts": 4718.0, "open_interest_contracts": 699.01, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Zach Bryan", "ticker": "KXHEADLINE-BOS27DEC31-ZAC", "probability": 0.13, "change_24h": -0.03, "volume_contracts": 6880.29, "open_interest_contracts": 1716.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "My Chemical Romance", "ticker": "KXHEADLINE-BOS27DEC31-MYC", "probability": 0.125, "change_24h": 0.0, "volume_contracts": 185.0, "open_interest_contracts": 155.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Kacey Musgraves", "ticker": "KXHEADLINE-BOS27DEC31-KAC", "probability": 0.125, "change_24h": 0.0, "volume_contracts": 123.0, "open_interest_contracts": 41.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Green Day", "ticker": "KXHEADLINE-BOS27DEC31-GRE", "probability": 0.125, "change_24h": 0.0, "volume_contracts": 67.32, "open_interest_contracts": 33.64, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Dua Lipa", "ticker": "KXHEADLINE-BOS27DEC31-DUA", "probability": 0.125, "change_24h": null, "volume_contracts": 0.0, "open_interest_contracts": 0.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Travis Scott", "ticker": "KXHEADLINE-BOS27DEC31-TRA", "probability": 0.125, "change_24h": null, "volume_contracts": 0.0, "open_interest_contracts": 0.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Paramore", "ticker": "KXHEADLINE-BOS27DEC31-PAR", "probability": 0.12, "change_24h": 0.0, "volume_contracts": 6215.0, "open_interest_contracts": 1494.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Boygenius", "ticker": "KXHEADLINE-BOS27DEC31-BOY", "probability": 0.115, "change_24h": 0.01, "volume_contracts": 8540.17, "open_interest_contracts": 1100.5, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Blink-182", "ticker": "KXHEADLINE-BOS27DEC31-BLI", "probability": 0.11, "change_24h": -0.03, "volume_contracts": 4452.12, "open_interest_contracts": 1253.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Post Malone", "ticker": "KXHEADLINE-BOS27DEC31-POS", "probability": 0.105, "change_24h": 0.0, "volume_contracts": 6524.22, "open_interest_contracts": 895.22, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Sabrina Carpenter", "ticker": "KXHEADLINE-BOS27DEC31-SAB", "probability": 0.105, "change_24h": -0.03, "volume_contracts": 5749.47, "open_interest_contracts": 106.47, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Kendrick Lamar", "ticker": "KXHEADLINE-BOS27DEC31-KEN", "probability": 0.105, "change_24h": 0.03, "volume_contracts": 5019.88, "open_interest_contracts": 1217.34, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Luke Combs", "ticker": "KXHEADLINE-BOS27DEC31-LUK", "probability": 0.105, "change_24h": 0.0, "volume_contracts": 537.0, "open_interest_contracts": 471.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Cage the Elephant", "ticker": "KXHEADLINE-BOS27DEC31-CAG", "probability": 0.105, "change_24h": 0.0, "volume_contracts": 370.0, "open_interest_contracts": 136.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Tyler Childers", "ticker": "KXHEADLINE-BOS27DEC31-TYLE", "probability": 0.095, "change_24h": 0.01, "volume_contracts": 5065.48, "open_interest_contracts": 972.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "SZA", "ticker": "KXHEADLINE-BOS27DEC31-SZA", "probability": 0.095, "change_24h": 0.0, "volume_contracts": 3186.0, "open_interest_contracts": 756.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Billie Eilish", "ticker": "KXHEADLINE-BOS27DEC31-BIL", "probability": 0.095, "change_24h": 0.0, "volume_contracts": 1202.0, "open_interest_contracts": 601.0, "close_time": "2027-12-31T04:59:00+00:00" }, { "name": "Fall Out Boy", "ticker": "KXHEADLINE-BOS27DEC31-FAL", "probability": 0.085, "change_24h": 0.0, "volume_contracts": 14459.32, "open_interest_contracts": 2222.36, "close_time": "2027-12-31T04:59:00+00:00" } ], "history": { "Lana Del Rey": [ [ 1789963200, 0.07 ], [ 1790049600, 0.09 ], [ 1790654400, 0.5 ] ], "Glass Animals": [ [ 1788580800, 0.27 ], [ 1788753600, 0.18 ], [ 1789444800, 0.14 ], [ 1789876800, 0.15 ], [ 1789963200, 0.08 ], [ 1790049600, 0.08 ], [ 1790308800, 0.07 ], [ 1790654400, 0.39 ] ], "Noah Kahan": [ [ 1788753600, 0.43 ], [ 1788840000, 0.39 ], [ 1789012800, 0.35 ], [ 1789185600, 0.34 ], [ 1789272000, 0.35 ], [ 1789358400, 0.35 ], [ 1789444800, 0.34 ], [ 1789617600, 0.35 ], [ 1789704000, 0.34 ], [ 1789876800, 0.34 ], [ 1789963200, 0.34 ], [ 1790049600, 0.34 ], [ 1790136000, 0.34 ], [ 1790654400, 0.35 ] ] }, "license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "attribution": { "required": true, "text": "Odds data: Kalshi View (kalshiview.com)", "url": "https://kalshiview.com/markets/boston-calling-music-festival-2027-headliners/", "html": "Odds data: Kalshi View" }, "source": "Kalshi public trade API; Kalshi View is not affiliated with Kalshi. Verify on Kalshi before trading." }