RSUs vs stock options: Guide for Americans

Both RSUs and stock options are forms of equity compensation, or ways your employer gives you a stake in the company. However, they're pretty different from each other.

RSUs (restricted stock units) give you actual shares on a set schedule. Stock options give you the right to buy shares at a fixed price.

So, how does it work, and is one better than the other?

Here's everything you need to know about how RSUs and stock options compare.

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What are stock options?

Stock options give you the right to buy company shares at a set price.

That price is locked in on the day your options are granted. It’s called the strike price or exercise price.

If the company grows and its share price climbs, you can still buy in at your original lower price. You can then sell those shares at the current market price and pocket the difference.

But stock options don't turn into anything on their own. To get anything out of stock options, you have to actively buy the shares at your strike price (exercise them).

If the company's stock never climbs above your strike price, your options have no practical value.

What are RSUs?

RSUs, or restricted stock units, are company shares that your employer gives you after you've worked for them for a set period of time.

You don't buy anything, and you don't pay a strike price. When your RSUs vest, the shares are deposited into your account, and you own them outright.

Because RSUs are tied to the current stock price and not a fixed purchase price, they always have some value as long as the stock is worth anything at all. Even if the company's share price drops after your grant date, your RSUs are still worth something.

RSUs vs stock options: At a glance

RSUs and stock options share some similarities. They both vest over time, give you a piece of the company, and come with tax implications.

But there are also important differences between them.

Let's take a closer look:

What are the differences between RSUs and stock options?

How they're awarded

With stock options, your employer grants you the right to buy a set number of shares at a strike price. That price is based on the fair market value of the stock on your grant date.

In other words, you're not actually getting shares. You're getting the option to buy them later.

With RSUs, your employer promises to give you shares. You won't have to buy anything. The grant tells you how many shares you'll receive and when. Once they vest, they're yours.

Vesting schedules

Both RSUs and stock options typically vest over time.

A 4-year vesting schedule with a 1-year cliff is common for both.¹ During that cliff period, nothing vests. After the cliff, the remainder usually vests monthly or quarterly until you hit the end of the schedule.

But the RSU vs stock options vesting mechanics are quite different.

When stock options vest, you get the right to buy them, but buying is still your decision. When RSUs vest, the shares are deposited into your account automatically. You don’t have to make any decisions about that.

Learn more about equity vesting schedules and how they work.

Tax treatment when they vest or are exercised

RSUs are taxed as ordinary income when they vest.

The value of the shares on the vesting date is added to your taxable income for that year, and your employer typically withholds taxes automatically.

Stock options are more complicated. The tax treatment depends on the type of stock options you have:²

• Non-qualified stock options (NSOs) are taxed as ordinary income when you exercise
• Incentive stock options (ISOs) don't trigger income tax at exercise, but they can trigger the alternative minimum tax (AMT)

The capital gains tax you owe on your eventual sale depends on how long you hold the shares.

Risk and upside potential

RSUs carry less risk because they always have value as long as the stock is worth something.

Even if the share price drops after your grant date, you're still getting shares. The downside is that the upside is more limited. You get whatever the stock is worth when it vests and nothing more.

Stock options carry more risk, but also more potential reward. If the company grows, the gap between your strike price and the market price can bring you a lot of gain.

But if the stock never rises above your strike price, your options are underwater. They won't have any practical value, and exercising them would cost you more than you'd get back.

Ownership timeline

With RSUs, ownership is pretty straightforward. You don't own anything until shares vest, and then you own them immediately and automatically.

With stock options, vesting and ownership are two separate things. Your options can be fully vested, and you still won't own a single share until you choose to exercise.

That means coming up with the cash to pay the strike price and deciding when the timing makes sense, which can be complicated if the company is still private and you can't sell the shares right away.

What happens if the company fails

If the company goes under, RSUs lose their value along with the stock.

Since RSUs are tied to the share price, a company failure means your unvested grants disappear, and any vested shares you're still holding become worthless.

Stock options face the same outcome, but with an extra layer of risk. If you exercised your options and paid cash for shares before the company failed, that money is gone.

It's one of the reasons many employees wait to exercise until a liquidity event, such as an IPO or acquisition, when they can sell immediately and not sit on shares in a company that may never reach that point.

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RSUs vs stock options: Which is better?

Neither is better. It largely depends on your company and your financial situation.

That said, RSUs are generally the stronger choice when:

• You're joining a company where the stock price is already established and less likely to swing a lot
• You want equity compensation that doesn't require you to come up with cash upfront
• You prefer a simpler tax situation with fewer decisions to make at exercise time

In turn, stock options tend to make more sense when:

• You're joining a company where the current share price is low, and there's a lot of room for growth
• You're comfortable holding illiquid shares while the company matures
• You can cover the exercise cost and any associated tax bills
• You're willing to accept the possibility of your options expiring worthless in exchange for a higher potential upside

Overall, the earlier you join a company, the more stock options can pay off, because the strike price is set when the company is still small.

FAQs

Is it better to take RSUs or stock options?

It depends.

RSUs are simpler and always carry some value, which makes them a more predictable form of compensation. Stock options have higher upside potential but come with more complexity, more risk, and the requirement to spend money to exercise them.

There's no right or wrong answer, and it ultimately comes down to your financial goals and preferences.

What are the disadvantages of RSUs?

The main disadvantage of RSUs is that you owe income tax when they vest, whether or not you sell the shares. If you're at a private company and can't sell yet, you may face a tax bill on shares you have no way to convert to cash.

RSUs also offer less upside than stock options in a high-growth scenario because you receive shares at whatever price they're worth when they vest. You can't lock in a lower price years earlier.

What are the disadvantages of stock options?

Stock options can have pretty big drawbacks.

You have to pay to exercise them, which can be a big amount depending on your strike price and how many options you hold. You may also owe taxes at exercise, especially with NSOs, even if you can't sell the shares yet. And if the company's stock never rises above your strike price, your options have no practical value at all.

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RSUs and stock options both give you a stake in the company you work for, but they're pretty different.

If you want to make better decisions about when and how to act on your equity, it can be worth talking with a financial advisor.

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Sources

1. Carta - Vesting
2. Carta - How stock options are taxed

Sources checked 06/17/2026