Marcus vs. Ally vs. Capital One 360: Best HYSA Right Now

Marcus leads the pack — but it’s not the only answer

Right now, Marcus by Goldman Sachs is paying 3.40% APY on its online savings account. Ally and Capital One 360 Performance Savings are both at 3.00%. That 0.40-percentage-point gap sounds small, but on a $20,000 travel fund it’s the difference between $680 and $600 in annual interest — an extra $80 for doing literally nothing except picking the right account. Worth caring about.

That said, APY isn’t the whole story. I’ve seen plenty of people park money in the highest-rate account and then get annoyed by clunky transfers, surprise fees, or a missing feature they didn’t know they needed. So let’s go through all three accounts — Marcus, Ally, and Capital One 360 — honestly, with the trade-offs included.

The numbers side by side

All three accounts are FDIC-insured, charge no monthly maintenance fee, and require no minimum deposit to open or earn the stated APY. Those are table-stakes at this point — any HYSA that doesn’t meet those three criteria isn’t worth your time.

Here’s where they stand as of late June 2026 (always verify current rates directly with the issuer, since APYs are variable and can change any day):

• Marcus by Goldman Sachs: 3.40% APY
• Ally Bank: 3.00% APY
• Capital One 360 Performance Savings: 3.00% APY

Interest compounds daily on all three accounts. That daily compounding matters more as balances grow, but at these balance levels the difference between daily and monthly compounding is negligible — don’t let that detail paralyze the decision.

Worked example: $15,000 emergency fund, one year

Let’s say you’re building a $15,000 emergency fund — roughly three months of expenses for a lot of households, and a common target for people who also want a travel fund sitting nearby.

• Marcus at 3.40%: $15,000 × 0.034 = $510 in interest over 12 months
• Ally/Capital One at 3.00%: $15,000 × 0.030 = $450 in interest

Difference: $60 per year. That’s a domestic award fee, a checked bag, or a decent airport meal. Not life-changing, but real money you’re leaving on the table if you default to a lower-rate account out of habit.

Scale that to $50,000 (a home down payment fund, for instance) and the gap widens to $200 annually. At that level, Marcus becomes an even more obvious pick on rate alone.

Marcus by Goldman Sachs: best rate, a few quirks

Marcus stands out for two reasons: the leading APY and its same-day transfer capability for amounts up to $100,000 to and from external banks. That’s genuinely useful. Most online savings accounts take one to three business days for ACH transfers; same-day access for six-figure amounts is a practical advantage if you ever need to move a large sum quickly — think a house down payment or a big points-and-cash travel booking.

No monthly fee, no minimum balance, unlimited withdrawals. On paper, it’s hard to fault.

The honest downside: Marcus doesn’t offer checking accounts, so it’s purely a savings vehicle. There’s no debit card, no ATM network, no bill pay. You’ll need to link it to a checking account elsewhere, which is fine for an emergency fund or travel savings bucket, but it means Marcus can’t be your only banking relationship. The app is functional but not as polished as Ally’s.

Ally Bank: the ecosystem argument

Ally’s 3.00% APY trails Marcus by 0.40 points, but Ally’s real pitch is the full banking experience. Ally offers checking, savings, CDs, money market accounts, and even investing — all under one login. If you want everything in one place, that convenience has genuine value.

Ally’s savings account also has a feature called “Savings Buckets” that lets you mentally divide one account into up to 30 categories — “Emergency Fund,” “Japan Trip 2027,” “Car Repair,” whatever. It’s a visual budgeting tool inside the account itself, and for people who like to earmark savings for specific goals (including travel), it’s surprisingly practical.

One thing to know about Ally’s withdrawal policy: there’s a limit of 10 withdrawals and transfers per statement cycle. Ally doesn’t charge a fee if you go over, which is good — but if you repeatedly blow past that limit, the bank can close your account. For a true emergency fund you’re not touching constantly, this is rarely an issue. If you’re moving money in and out frequently, keep that ceiling in mind.

The other catch: Ally charges $20 for outgoing domestic wire transfers. If you ever need to wire money — to a title company for a real estate closing, for example — that’s a fee to know about. ACH transfers are free, so most people never hit it, but it’s not zero.

Capital One 360 Performance Savings: the branch hybrid

Capital One sits in an interesting spot. It’s technically an online-first bank but operates physical Capital One Cafés and some traditional branches in select cities. If you ever want to walk into a location and talk to a human, that option exists — which Ally and Marcus can’t offer.

The 3.00% APY matches Ally exactly. No monthly fee, no minimum balance. Capital One’s app and account experience are solid, especially if you already have a Capital One credit card; everything lives in the same app. That integration is genuinely convenient.

The wire transfer fee is steeper here: $30 for outgoing domestic wires versus Ally’s $20. If wires aren’t part of your life, irrelevant. If they are, it matters.

Who each account is actually for

Marcus is the right call if you want the best rate available right now and you’re comfortable running a separate checking account elsewhere. It’s particularly good for larger balances where that 0.40% gap translates to meaningful dollars. The same-day transfer feature is a real perk.

Ally makes sense if you want a full banking ecosystem in one place, appreciate the Savings Buckets budgeting tool, or want a slightly more feature-rich experience even at a slightly lower rate. Just don’t use it as a frequent-transaction account — that 10-withdrawal limit per cycle is real.

Capital One 360 is the pick if you already have Capital One credit cards or you occasionally want the option of walking into a physical location. The in-app integration is seamless.

None of these accounts is wrong. The one that’s actually costing you money is the traditional savings account at your big bank paying 0.01% APY — that’s the real enemy here.

A few things everyone gets wrong about HYSAs

First: APYs change. All three of these rates are variable. Marcus leads today; that could shift next month if the Fed moves rates or if Marcus adjusts its margin. Check rates before you open, and periodically after. There’s no loyalty reward for staying at a lower-rate account.

Second: FDIC insurance covers $250,000 per depositor, per institution. If you have more than that at a single bank, talk to a professional about how to structure coverage — you can use different ownership categories or simply spread across multiple institutions.

Third: don’t overthink the compounding frequency. At these dollar amounts and APYs, the difference between daily and monthly compounding is a few dollars a year. The rate is what matters most.

Fourth: having your HYSA at a different bank than your checking account can actually be a feature, not a bug. The slight friction of a 1–3 day transfer makes it less tempting to raid your emergency fund for impulse purchases. Marcus’s lack of a debit card works in your favor here.

Frequently asked questions

Is Marcus still safe now that SVB collapsed?

Yes. Marcus is operated by Goldman Sachs Bank USA, which is FDIC-insured. The SVB failure was specific to that institution’s business model and customer concentration. Marcus deposits are protected up to $250,000 per depositor under standard FDIC limits — same as any other FDIC-insured bank on this list.

Can I have more than one HYSA open at the same time?

Absolutely, and there’s a real case for it. Many people keep an emergency fund at Marcus (for the rate) and a spending/travel savings bucket at Ally or Capital One (for the ecosystem features). There’s no rule against multiple accounts, and spreading funds across institutions can also help with FDIC coverage on larger balances.

Will the APY I earn be taxed?

Yes. Interest earned in a high-yield savings account is treated as ordinary income and reported on a 1099-INT at tax time. The bank will send you the form if you earn $10 or more in interest during the year. Factor this in when comparing a HYSA to, say, an I-bond or a treasury product, which may have different tax treatment at the state level.

How fast can I access my money if I need it urgently?

For Marcus, same-day transfers up to $100,000 are available to linked external accounts. For Ally and Capital One 360, standard ACH transfers typically take one to three business days, though expedited options may exist. Neither account comes with a debit card for direct ATM withdrawals, so if instant access is critical, keep some liquidity in your checking account.

Bottom line

If rate is your only criterion, Marcus wins right now at 3.40% APY — and on a $20,000 balance, that’s about $80 more per year than the 3.00% competitors. That’s real money for a five-minute account application. The same-day transfer feature is a legitimate bonus for people who move large sums.

But if you want a full banking home in one login, Ally is the most complete package at 3.00% — just respect that 10-withdrawal-per-cycle limit. Capital One 360 is the right choice if you’re already in the Capital One ecosystem or want the occasional option of a physical location.

What all three share: no fees, no minimums, FDIC insurance, and rates that absolutely crush what your neighborhood bank is offering. Pick one, move your cash, and start putting that idle money to work.