Public Kempax report

Daily Best High Yield Savings & Cash Management Accounts · 2026-09-14

Kempax Research

Loop report · 2026-09-14

Daily Best High-Yield Savings & Cash Management Accounts — 2026-09-15

As of 2026-09-15 UTC, this review-only candidate remains a conditional shortlist rather than an unconditional leaderboard. In savings, CIT Platinum Savings is the best-for highest verified effective rate at up to 4.10% APY only at $5,000 or more during a six-month CITBOOST offer; Vio Online Savings and Bread High Yield Savings are the 3.95% ongoing-rate runner-ups, with Vio effective 2026-09-11 and Bread's official rate evidence dated 2026-09-01. Bask Interest Savings is 3.75% effective 2026-09-15 with no minimum balance or account fee. SoFi Checking and Savings shows 3.10% qualified APY, 0.80% standard fallback, and up to 4.00% with a time-limited boost; Marcus Online Savings shows 3.40% on the current product read; Ally Online Savings is 3.00% effective 2026-09-14; American Express High Yield Savings is 3.00% accurate 2026-09-15; and Capital One 360 Performance Savings is supported by current 3.00% official material, with external ACH caps still risk-based. For cash management, E TRADE Premium Savings is the best-for highest known base APY at 3.50% as of 2026-09-14, but it is an adjacent bank-deposit comparator and its 4.00% offer is conditional; Vanguard Cash Plus is the no-fee bank-sweep runner-up at 3.35% including a temporary 0.25% boost through 2026-09-30. Wealthfront Cash remains best for instant-liquidity review at a 3.30% base dated 2026-01-30, while Fidelity shows a 1.84% FDIC sweep APY as of 2026-09-11 and a separate $FZSXX 3.34% seven-day yield 3.39% effective yield as of 2026-09-10. No unconditional winner is inferred.

The clearest best-for designations are CIT for the highest verified effective savings rate when the $5,000 tier, code, and six-month promotion are acceptable; Vio and Bread as the meaningful ongoing-rate runners-up, with unresolved withdrawal terms; SoFi for an eligible direct-deposit or qualifying-deposit household; and Marcus for a low-friction standard rate with same-day transfers up to $100,000. For cash management, E TRADE Premium Savings is the highest known base-rate comparator but is adjacent to the brokerage sweep; Vanguard is the best simple no-fee bank-sweep runner-up while its boost lasts; and Wealthfront is best for instant-liquidity review. Empower's documented $100,000-per-day withdrawal figure is retained as a prior-run access comparator only because the current cash ledger does not re-verify it. Every figure below is labeled as base, promotional, conditional, paid-tier, stale, undated, or structurally different where applicable.

Method: official provider product, rate, fee, transfer, and insurance disclosures control; reputable comparison sources are used only to corroborate discovery or flag discrepancies. Review priority weighs rate freshness, fees, minimums, liquidity, protection structure, and promotion conditions. Provider effective dates control freshness; a term not exposed in the reviewed source remains unknown.