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You're choosing where to open a high-yield savings account and want to compare three specific banks. Rates change often enough that a number from even a few weeks ago can be wrong. Criteria: the current advertised APY for each of the three named banks, with the date each rate was checked. Output: a short comparison table, rate and date per bank, flagging if any rate can't be confirmed as current. Write the prompt that makes today's-date sourcing part of the request, not an afterthought.