BLKOA, page-13

The tax laws are pretty simple ( the devil is always is in the detail, but unless you are being shifty and looking for a loop hole you don't need to worry about that).

You won't go wrong doing your returns on the basis of.

If you spend money to make money and lose it its a revenue loss.

If you invest money to increase your capital and lose it it a capital loss.

If you got the options for nothing and sell them its a taxable gain, If the sale happens in under a year it would be a revenue gain in over a year probably capital.