Verified October 2026
How much does the average saver lose by not switching banks?
A saver with a $25,000 balance loses about $966/year by keeping it at a typical big bank (0.37% APY) instead of a top-available high-yield savings account (4.23% APY). SwitchWize calls this the Bank Gap Index.
This figure comes directly from SwitchWize Bank Gap Index, refreshed from live rate data — not a fixed estimate. It is not personalized financial advice; your own best move depends on your bank, balance, and goals.
See the full Bank Gap IndexReviewed October 16, 2026 by the SwitchWize Research Desk.