They have crashed because of the rare electrum player packs in the store yesterday.
The CBs were 15k, are now 6k.
These set of packs in the store are the last for the promo and don't contain any silver players.
Worth investing into these? Especially with the potential of a new SBC player being added into the BPL at some stage - there are 3 and the league SBCs will have a max capacity of 5