Methodology
How the Cash Yield Gap is calculated
SwitchWize estimates each scenario as balance multiplied by the positive APY spread between a competitive liquid-cash benchmark and the modeled current account rate.
Checking
0.07%
Money market
0.57%
T-bill reference
3.66%
Formula
Cash Yield Gap = balance x ((benchmark APY - current APY) / 100). The index is pre-tax unless a page explicitly models after-tax yield. Users should verify provider APYs before moving money.
Related: Cash Yield Gap Index and JSON dataset.
Public source posture
- FDIC National Rates and Rate Caps
- Federal Reserve FRED checkable deposits series BOGZ1FL193020005Q
- TreasuryDirect auction results
- Federal Reserve G.19 consumer credit
- Investment Company Institute money market fund statistics
Refresh current-rate claims from primary sources before publishing a new monthly snapshot or changing headline numbers.