well said.@jimmybgood those numbers were very accurate at time...

well said.

@jimmybgood those numbers were very accurate at time of posting. I believe you've confused yourself attempting to convert to USD and back again.

As long as you're consistent in the currency you use, it doesn't effect the B/S value at all, though the other inputs do, and it's up to the individual to assess what they believe appropriate assumptions.

This isn't some gospel, nor witchcraft, it's a theoretical value using an equation that has been around as long as options have. The options will rarely trade at their exact B/S value, but it's a useful tool to gauge whether market is discounting or pricing them at a premium.