Who is selling?I can only assume this was someone who wanted to be out, but did not want to realise the gains in 2021. Instead, he waited until today, a lower volume day, to get out so the gains will be booked in 2022 based on settlement date.
It does not help that natural gas is down quite a bit in Europe and North America.
Keep in mind that Crew's P/AFF = 2.2 and P/FCF = 3.7. Seems very cheap to me.