{"success":true,"engine":"Black Belt Labs","metric_id":"M50023","name":"Altcoin Season Index","category":"market","classification":"classic","update_frequency":null,"inputs":["Aggregated crypto market data"],"inputs_are":"types of input","lookback_windows":[],"lookback_basis":null,"formula":"Percentage of top-50 non-stablecoin altcoins outperforming BTC over 30 days.","formula_published":true,"definition_version":"v00001","definition_history":[{"version":"v00001","effective_from":"2026-07-15T03:45:40Z","change_note":"initial recorded definition"}],"methods":["progr","quant-hw","quant-sim"],"disclaimer":"Madjik metrics are informational market indicators computed by Black Belt Labs. They are not investment advice, an offer, or a recommendation to buy or sell any asset."}