Every major MMF — Fidelity, Vanguard, Schwab, Federated, JPMorgan, BlackRock. 7-day yield mechanics, government-vs-prime, expense ratios, breaking-the-buck history. And the MMF-vs-MYGA math your brokerage won't show you.
I'm an independent licensed insurance producer. I don't sell money market funds and earn no commission on brokerage cash products. Every review here is objective. The recurring question across these pages: when does an MMF beat a MYGA — and when does it lose?
The halo pages. Top MMFs ranked by 7-day yield, expense ratio, and tax efficiency.
Top MMFs ranked across Fidelity, Vanguard, Schwab. Refreshed monthly.
Treasury100% Treasury-backed MMFs. State-tax-exempt yield. Highest safety tier.
Individual fund deep-dives. Yield, expense ratio, government vs prime, taxability.
Fidelity Government Money Market — the default core position at Fidelity.
FDLXXFidelity Treasury Only MMF. State-tax-exempt income. $0 min.
FZDXXFidelity Premium MMF. $100K min. Higher yield, prime-grade.
VMFXXVanguard Federal Money Market — the default cash position at Vanguard.
VUSXXVanguard Treasury Money Market. Mostly state-tax-exempt income.
VUSXX DeepDeep dive on VUSXX composition and state-tax mechanics.
SNSXXSchwab Treasury Obligations. 100% Treasury, state-tax-exempt.
SNVXXSchwab Government MMF. Government securities + repo.
BlackRockInstitutional-class prime MMF. Higher yield, prime risk.
FederatedPrime money market with floating NAV. Higher institutional yield.
JLAXXJPMorgan Liquid Assets prime MMF. Strong yield, prime risk.
Direct head-to-heads within and across brokerages.
Schwab Treasury vs Schwab Value Advantage. Tax + yield comparison.
vsGovernment MMF vs Treasury-leaning MMF inside Fidelity.
TypeSafety vs yield. Gates & fees rule + 2008/2020 history.
The strategic choice: MMF vs CD vs HYSA vs MYGA. When each wins.
Variable 7-day yield vs locked rate. SEC-regulated vs state guaranty. Tax treatment.
DecisionLiquid yield vs locked rate. When CD lock-in beats MMF flexibility.
DecisionSEC-regulated MMF yield vs FDIC-insured HYSA. Tax + access.
StrategyWhen MMF wins on yield, when HYSA wins on simplicity.
7-day vs 30-day yield, breaking the buck, gates & fees, Fed-rate correlation.
The two MMF yield measures. Which is forward-looking, which is backward.
FedMMFs track Fed Funds within days — tighter than HYSAs.
RiskWhen MMFs have failed (Reserve Primary 2008). Today's gates + fees + floating NAV rule.
I can pull live MYGA rates from 20+ A-rated carriers and run the side-by-side math on your specific dollar amount — for free. No commission on the MMF side. No retainer.
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