{"rate":{"slug":"amex-hysa","bank":"American Express","accountName":"High Yield Savings"},"status":"due","lastVerified":"2026-06-09","officialSource":"https://www.americanexpress.com/en-us/banking/online-savings/account/","history":[{"date":"2026-06-09","apy":3.5,"note":"Legacy snapshot without event-level evidence"}],"verificationEvents":[],"methodology":"https://creditcompound.com/how-we-rate#verification"}