Is the upside payoff unlimited for buying a FX call option?

Hi guys,

I understand that the upside payoff for buying a equity call option is unlimited. But is the upside payoff also unlimited for buying a FX call option?

Thanks, Derek

4 Comments
 

The mechanics behind the options are the same, regardless of what asset class they are tied to. In theory there is unlimited upside, but in reality you most likely have counterparty risk.

I don't know... Yeah. Almost definitely yes.
 
Most Helpful

This is incorrect, upside is not unlimited depending on the fx direction and there is convexity at play for large moves If your account is in usd terms.

Imagine you buy 10 million of a usd/mxn option with a strike of 25. If usdmxn explodes and goes to 50. You bought 10mm usd/mxn at 25 when you execute so you’re now long 10mm usd short 250mm pesos. When you buy back those 250mm pesos 250mm/50 = 5mm in pnl

Now if usd/mxn went from 25 to 1000, the 250mm pesos you are short is 250k in usd terms, so your pnl is 9,750,000. As you can see, your max pnl in usd terms is capped by the notional amount of the initial trade. This works in opposite direction for puts where your loss in usd terms is unlimited and convex

This is mostly an issue in EM where blowups happen often, much less important in g7 but still a factor

 

I disagree. The value of the option itself has unlimited upside, in theory. To use your example: If usd/mxn went to 10,000, or 1,000,000 the contract would still increase in value. The answer would then be that the value of the option itself is unlimited-notional investment, which is still unlimited. I'd show it mathematically, but I'm lazy and tipsy.

I don't know... Yeah. Almost definitely yes.
 

Eaque officiis et facilis explicabo. Corrupti nemo et in rerum. Nostrum ipsum incidunt accusamus tempore quia et enim. Non qui omnis nihil a incidunt exercitationem ipsa. Itaque placeat illo voluptas harum aliquid totam.

Unde cum dolorum expedita deleniti quidem. Non perferendis magnam doloremque magni unde animi earum. Veniam velit ut quam placeat ullam quidem ea aut. Quia porro facilis corrupti est sint.

Career Advancement Opportunities

August 2026 Investment Banking

  • Evercore 01 99.4%
  • Moelis & Company 01 98.9%
  • JPMorgan 01 98.3%
  • Morgan Stanley 08 97.8%
  • Goldman Sachs 02 97.2%

Overall Employee Satisfaction

August 2026 Investment Banking

  • Moelis & Company No 99.4%
  • Evercore No 98.9%
  • Morgan Stanley 01 98.3%
  • Banco Santander 02 97.8%
  • BMO Capital Markets 12 97.2%

Professional Growth Opportunities

August 2026 Investment Banking

  • Evercore 01 99.4%
  • Moelis & Company 01 98.9%
  • Morgan Stanley 06 98.3%
  • Goldman Sachs 01 97.8%
  • JPMorgan 01 97.2%

Total Avg Compensation

August 2026 Investment Banking

  • Vice President (16) $429
  • Associates (48) $259
  • 3rd+ Year Analyst (8) $210
  • 2nd Year Analyst (25) $178
  • Intern/Summer Associate (14) $159
  • 1st Year Analyst (83) $151
  • Intern/Summer Analyst (75) $101
notes
16 IB Interviews Notes

“... there’s no excuse to not take advantage of the resources out there available to you. Best value for your $ are the...”

Leaderboard

1
redever's picture
redever
99.2
2
BankonBanking's picture
BankonBanking
99.0
3
Secyh62's picture
Secyh62
99.0
4
kanon's picture
kanon
99.0
5
GameTheory's picture
GameTheory
98.9
6
DrApeman's picture
DrApeman
98.9
7
Betsy Massar's picture
Betsy Massar
98.9
8
CompBanker's picture
CompBanker
98.9
9
dosk17's picture
dosk17
98.9
10
Linda Abraham's picture
Linda Abraham
98.8
success
From 10 rejections to 1 dream investment banking internship

“... I believe it was the single biggest reason why I ended up with an offer...”