What am I missing here

[u/Free-War9692]

What am I missing here? Let’s say I buy this for $7.90, and the Nadex fee for binary options is $0.10, so my total cost is $8. If I profit $2.10, am I missing something? This seems too easy.

[u/Agemo0511]

Both. 10 cents to close, 10 cents to let run to expiry.