The price rally seems to be expected this Christmas season as Bitcoin does the uptrend motion, and ETH will also pump. For IMO, that was is too early to take advantage of the pump, if we don't need to use our money, it is better to continue holding until next year as we believe that more pumps are coming rather than decline. That is why I could say that holding ETH is not a regrettable decision but rather a wise choice.
The current price of ETH is already at $2,100 ++, and it was possible to reach $2,400.
Anticipating rally before Christmas suggests a positive outlook for Bitcoin which will certainly have its trickle down impact on Ethereum price, as well. I agree with your viewpoint that holding onto Ethereum for long term is a wise decision, and selling for moderate profit may become out a regrettable decision, specially given the anticipated rally following the halving, schedule in mid of year 2024.