{"note":"Altcoin Season Index: share of the top 50 Binance USDT-M perpetual altcoins beating BTC over the trailing 90 days. >=75 altseason, <=25 bitcoin season. History is recorded daily from 2026-07-30, never reconstructed. CC0.","value":49,"regime":"neutral","outperformers":24,"sample_size":49,"btc_return_90d_pct":9.26,"top":[{"symbol":"AKEUSDT","return_pct":2170.49},{"symbol":"BTWUSDT","return_pct":989.65},{"symbol":"BTRUSDT","return_pct":593.23},{"symbol":"PROMUSDT","return_pct":540.43},{"symbol":"TUTUSDT","return_pct":237.38}],"bottom":[{"symbol":"BEATUSDT","return_pct":-88.12},{"symbol":"DEXEUSDT","return_pct":-87.33},{"symbol":"MOVRUSDT","return_pct":-48.84},{"symbol":"FETUSDT","return_pct":-44.03},{"symbol":"NEARUSDT","return_pct":-28.93}],"computed_at":"2026-08-30T10:12:26.479Z","history":[{"date":"2026-07-30","value":65},{"date":"2026-07-31","value":67},{"date":"2026-08-01","value":62},{"date":"2026-08-02","value":67},{"date":"2026-08-03","value":66},{"date":"2026-08-04","value":65},{"date":"2026-08-05","value":67},{"date":"2026-08-06","value":63},{"date":"2026-08-07","value":55},{"date":"2026-08-08","value":60},{"date":"2026-08-09","value":65},{"date":"2026-08-10","value":67},{"date":"2026-08-11","value":69},{"date":"2026-08-12","value":67},{"date":"2026-08-13","value":72},{"date":"2026-08-14","value":73},{"date":"2026-08-15","value":56},{"date":"2026-08-16","value":56},{"date":"2026-08-17","value":60},{"date":"2026-08-18","value":61},{"date":"2026-08-19","value":54},{"date":"2026-08-20","value":58},{"date":"2026-08-21","value":58},{"date":"2026-08-22","value":56},{"date":"2026-08-23","value":54},{"date":"2026-08-24","value":60},{"date":"2026-08-25","value":58},{"date":"2026-08-26","value":64},{"date":"2026-08-27","value":62},{"date":"2026-08-28","value":54},{"date":"2026-08-29","value":51}]}