{"version":"2026.06-cash-yield-gap","name":"SwitchWize Cash Yield Gap Index","snapshotDate":"June 30, 2026","benchmark":{"bestSavingsApy":4.4,"nationalSavingsApy":0.38,"fdicInterestCheckingApy":0.07,"fdicMoneyMarketApy":0.57,"treasuryBill8WeekInvestmentRate":3.66},"marketContext":{"householdCheckableDeposits":5617814000000,"moneyMarketFundAssets":7900000000000,"sources":[{"label":"FDIC National Rates and Rate Caps","url":"https://www.fdic.gov/national-rates-and-rate-caps"},{"label":"Federal Reserve FRED checkable deposits series BOGZ1FL193020005Q","url":"https://fred.stlouisfed.org/series/BOGZ1FL193020005Q"},{"label":"TreasuryDirect auction results","url":"https://www.treasurydirect.gov/auctions/announcements-data-results/"},{"label":"Federal Reserve G.19 consumer credit","url":"https://www.federalreserve.gov/releases/g19/current/default.htm"},{"label":"Investment Company Institute money market fund statistics","url":"https://www.ici.org/research/stats/mmf"}]},"scenarios":[{"slug":"checking-account-drag","label":"Checking account drag","intent":"idle checking cash","balance":15000,"currentApy":0.07,"benchmarkApy":4.4,"annualGap":650,"fiveYearGap":3551},{"slug":"money-market-vs-hysa","label":"Money market vs HYSA","intent":"liquid cash comparison","balance":50000,"currentApy":0.57,"benchmarkApy":4.4,"annualGap":1915,"fiveYearGap":10570},{"slug":"emergency-fund-yield-index","label":"Emergency fund yield index","intent":"emergency fund cash","balance":25000,"currentApy":0.38,"benchmarkApy":4.4,"annualGap":1005,"fiveYearGap":5527},{"slug":"house-down-payment-cash","label":"House down payment cash","intent":"large near-term cash goal","balance":100000,"currentApy":0.38,"benchmarkApy":4.4,"annualGap":4020,"fiveYearGap":22109}],"methodology":{"summary":"The Cash Yield Gap Index estimates interest drag from holding cash in low-yield checking, savings, or money market accounts instead of a competitive liquid savings benchmark.","formula":"balance * ((benchmarkApy - currentApy) / 100)","caveat":"The index is educational and pre-tax unless a page explicitly models taxes."}}