Shares received as gift from broker firm

I was given USD1000 worth of shares in 2023/24, as gift after maintaining an account with a broker firm for a year. The shares have not been sold yet. I suppose the following treatment will apply when the shares are disposed in future: Capital gain will be reported in self assessment in the year of disposal = (USD sales proceeds received less Cost at zero) converted to GBP with monthly average rate in month of disposal. Please advise whether this is correct or not.

Yes,

That is correct.

Thank you.