YFI token losses 8% while YFII with 7.5% and comp with 4% loss respectively.Read complete analysis at https://the Url is blocked due to spam/news/yfi-yfii-comp-defi-tokens-losing-value/
Yes, YFI already downed to 42000 dollars to 18000 dollar. But highest price 42000 dollar cannot be guaranteed to stable. So cryptocurrency market always unstable in nature and nobody knows what would be happened in future.