Simon Mason wrote
GB wrote

They will be £6-00 in a few months once oil goes north of $60.

So, why did you sell at £4.93?

I had set a ceiling of £5-00 to sell and that was near enough.

Doesnt explain why you set a ceiling of £5-00 when you believe
it will go to £6-00 in a few months once oil goes north of $60.

I believe in the trade it is called "profit taking".

Irrelevant to why you did that.