Online Bank Rate Drop Switching Threshold Calculator
Estimate how much APY drop, transfer delay and effort cost justify switching online banks before relying on a new savings account rate.
Updated 2026-06-18. Do not enter account numbers, passwords, MFA codes, Social Security numbers, routing numbers or private bank messages.
Browser-only calculator
| Extra interest over review window | |
|---|---|
| Estimated hold-day drag | |
| Net switching benefit | |
| APY gap tested |
This tool runs locally in your browser. It does not fetch live APYs, bank offers, account eligibility, tax forms or transfer limits.
How to use / 使用方法
- Enter only non-sensitive planning assumptions from official bank disclosures or your own notes.
- Compare the output with the verification box before opening or moving money between accounts.
- Check APY tiers, bonus windows, direct-deposit rules, fees, holds and tax reporting before acting.
- Use the commercial links to compare bank categories only after official terms are confirmed.
Official verification box / 官方验证盒
Verify the current version of these items on official bank pages, account disclosures or tax documents:
- Official current APY and alternative APY, including tiers, caps, promo rates and expiration language
- ACH transfer limits, withdrawal limits, cutoff times, external-account verification and hold rules
- Monthly fees, minimum balance rules, account closure fees and loss of existing relationship benefits
- Emergency cash needs before moving funds between online banks
Commercial next steps
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FAQ
Can this tell me which bank to choose?
No. It compares assumptions you enter and points you to official verification steps before making a banking decision.
Does it use live APY data?
No. Enter only APYs you have verified from official bank disclosures or account screens.
Is this personalized advice?
No. This is educational planning content, not personalized financial, tax, legal, banking or credit advice.
Disclaimer
This page is educational content and not personalized financial, tax, legal, credit, banking, privacy, cybersecurity or professional advice. Official bank terms, tax forms and qualified professional guidance control individual decisions.