{"index_id":"checking-gap","label":"Checking Account Gap Index","representative_balance":25000,"unit":"checking accounts","source":"https://www.switchwize.com/indices/checking-gap","series":[{"month":"2026-06-01","index_value":600,"baseline_apy":0.1,"top_avg_apy":2.5,"gap_points":2.4,"units_tracked":41}]}