Sure it is, except someone who already owns a huge portfolio and has gotten a large amount of profits can decide to sell part of their Bitcoin but for someone who is still in accumulating phase should never consider selling their hodling at any price point at all till they have acquired a large amount of it and HODL for long term investment growth. If an investor have gotten a huge portfolio they can decide to make technical analysis of their investment processes such as calculating the price point at which they acquired each fractions of Bitcoin and how much they have been able to acquire within that long interval of time and also do a check and balance of the money they invested with and the profits they have been able to get.