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DeluxeXL t1_jegglkr wrote

Reply to comment by [deleted] in Most Tax Efficient Money Market Fund for NYC Resident by CopperQuilt

I believe the state income tax rate that corresponds to 24% federal in California is 9.3%.

>Fed: 24%

>CA: 9.3%

Fund SEC yield as of 3/30 Federal exempt State/Local exempt less FIT and SIT+LIT After-tax yield
SPRXX 4.54% 0% exempt 0% exempt -0.24 -0.093 3.03%
FDRXX 4.50% 0% exempt 0% exempt -0.24 -0.093 3.00%
SPAXX 4.48% 0% exempt 0% exempt -0.24 -0.093 2.99%
FZFXX 4.46% 0% exempt 0% exempt -0.24 -0.093 2.97%
FDLXX 4.22% 0% exempt ~94% exempt -0.24 -0.00558 3.18%
FTEXX 3.87% 100% exempt 0% exempt -0.00 -0.093 3.51%
FMOXX 3.81% 100% exempt 0% exempt -0.00 -0.093 3.46%
FABXX 3.30% 100% exempt 100% exempt -0.00 -0.00 3.30%
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[deleted] t1_jeggsag wrote

How do you do that? Do you have an excel sheet or something? 🙏. Thanks very much

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DeluxeXL t1_jegiazj wrote

When you are on Fidelity, click News & Research, Mutual Funds. Then screen the funds to only money market funds, Fidelity funds only, require less than 2.5k initial investment, you get 11 funds in the list.

Switch the view to "Daily pricing / yields" to see the 7-day yields. Sort by this 7-day yield.

Apply the "50% rule" (If a fund contains less than 50% of the thing that makes it tax-exempt, it is completely not tax-exempt). I know only FDLXX has >50% in US Treasury and US Gov Obligations. All of the funds above it in the list are dominated by Repurchase Agreements, which are not state tax exempt.

Then it's just a matter of multiplying the numbers. Example: 4.54% x (1 -0.24 -0.093) = 3.03%

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