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How do YieldMax ETFs work?

A YieldMax fund doesn't own the stock it's named after. It builds the stock out of options, sells calls on top, and parks its cash in Treasury bills. That's why the payout is big, and why the share price can sink fast.

Options guide · 8-minute read · Updated 2026-10-28

The short answer

A YieldMax fund like MSTY, TSLY or NVDY runs a synthetic covered call on one stock. It has three parts:

1. A fake stock made of options. The fund buys a Call option and sells a Put option at the same strike. Together they move almost exactly like 100 shares. That pair is a Synthetic long.
2. A short call on top. The fund sells a call above the price and collects the premium. That's the "covered call" part. (As of October 2026, these three sell a call spread here. More on that below.)
3. Cash in Treasury bills. The money you paid in sits in short-term US government debt, a Treasury bill. It backs the options and earns a little interest.

The premium from step 2 is most of what gets paid out to you. That's the design as of October 2026. Funds can change their method, so check the fund's current page on the YieldMax site before you buy. No fund named here is a recommendation to buy or sell it.

For how this compares with the other kinds of income funds, start with how covered call ETFs work.

Why build a fake stock at all?

Three reasons, in plain words:

• No shares needed. The fund gets the stock's ups and downs without buying it. The cash stays in T-bills.
• It's flexible. Options can be rolled, resized and re-struck without selling shares.
• The stocks are wild. These funds pick very jumpy names. Jumpy stocks have high Implied volatility, so their calls sell for a lot.

That last point is the whole pitch. And it's also the whole risk. A stock that moves a lot down is exactly the kind that pays a big premium.

What the fund gives up: it owns no shares, so it gets no dividends from the stock. And the put it sold means it takes the full fall, just like a shareholder.

One week worked out (hypothetical)

Here's the machine with made-up round numbers. This is an illustration, not a trade idea, and it isn't any real fund's position.

A made-up stock, XYZ, trades at $100. For each $10,000 of your money, the fund:

• puts the $10,000 into T-bills;
• buys a $100 call and sells a $100 put, both one week out. In real life the pair costs a little; we leave that out to keep the math clean;
• sells a one-week $105 call for $2.00, collecting $200.

Here's where that stands a week later:

The T-bill interest adds only a few dollars a week on $10,000. It doesn't change the picture.

Two things jump out. The downside is almost the full stock's. And the upside stops at $105. Above that, the short call loses a dollar for every dollar the fake stock gains.

The week it goes wrong, and the week after

Now the story that matters. XYZ drops to $80 in week one. The fund is down $1,800 per $10,000. Say it also pays out $150 that week. Your slice is now worth about $8,050.

In week two, the fund sets up again around $80. It sells an $84 call for $1.60, collecting $160. XYZ rallies hard, all the way back to $100.

The stock is right back where it started. A shareholder is even. The fund's trade is down $1,240, and it has also paid out cash along the way, which makes its share price drop further still.

That's the trap in one table. The fund took the full fall. Then the call it sold near the bottom capped the bounce. Run that pattern for months on a jumpy stock and the share price keeps stepping down. That's NAV erosion, and it's why these funds often trail the stock they're built on.

Why the payout swings so much

The payout isn't fixed. It moves with three things:

• How jumpy the stock is. When the stock calms down, its calls get cheaper. Less premium means a smaller payout.
• How big the fund is per share. After a drop, each share holds less. The same premium rate on a smaller base pays fewer dollars.
• Whether the premium covers it. If the payout is more than the fund earned, part of it is handed back from your own money. That's Return of capital, and it lowers your Cost basis. See return of capital in covered call ETFs.

So the big yield number on a quote screen is a snapshot of one good stretch, multiplied out. Look at the price and the payouts together, as Total return. The NAV erosion calculator puts them side by side.

Why it can't keep up in a rally

In a big rally the fund keeps getting capped, week after week. Each week it sells a new call a bit above the price. Each week the stock blows through it. The shareholder keeps every dollar; the fund keeps only the premium plus a slice.

As of October 2026, the fund pages for MSTY, TSLY and NVDY say each one sells call spreads and pays weekly. A call spread means the fund sells one call and buys a higher one. That leaves room for gains above the second strike, for a smaller premium. The manager can switch back to plain calls.

In Canada, these US-listed funds can sit in a TFSA or RRSP, but US withholding tax can take a slice of each payout. See US covered call ETFs in a TFSA. Options permissions for doing it yourself differ by broker.

What to do with this

If you hold one, track total return, not the payout. If you want the same shape with your own hands on the wheel, compare the fund with selling calls yourself on MSTR, Tesla or Nvidia. Doing it yourself, you can skip the week after a crash or pick a strike well above the bottom. That choice is the heart of the wheel strategy.

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