News I found about YFII from china. It was in Chinese and has been translated.

The logic of YFII skyrocketing is actually very simple:
First, the total amount is limited, a total of 40,000, and they will be gone after mining. YFII will be halved in 10 weeks. Now it is getting harder and harder to mine YFII.
Second, deflation. We will use 3% of the mining profits to buy back YFII in the market for destruction, and YFII will continue to deflate.
Third, the community is huge. The number of YFII holding addresses, the number of users, and the number of telegram community members have exceeded YFI.
We also have a group of very hard-core YFII holders. Those who hold more than 100 YFIIs are all hard-and-tested fans, and there are a lot of them, there are almost 100 people. This is a point for YFII. Very big advantage.
The user structure of YFI holdings is pyramid-shaped. A few people above hold most of YFI, and perhaps more than 20 people hold most of YFI. And the one address that holds the most on the YFII chain is actually only 997 YFII.
YFII is a spindle-shaped structure. The number of people holding more than 500 YFII is very small, and there are no absolute big ones, because our mining in front is very fair. Most people hold between 10 and 100. These people are the soul of YFII. On the one hand, these people will resolutely hold the currency, and on the other hand, they will contribute development, resources, communities, and even funds to support the development of YFII. .
So why YFII can skyrocket is actually because it has a very good wealth structure. YFII is just like the United States before. The middle class is very healthy and thriving, and the distribution of wealth is relatively fair, so the whole country is thriving. And YFI is like some developing countries, the top few people have a particularly large number of coins, and the others are small and small retail investors.
For a bookmaker, it must be that YFII is more convenient to pull, not to mention that we have a deflationary model, including models such as repurchase and destruction. At the same time, YFII is constantly evolving. We will launch a new token model next week. YFII has now launched three major exchanges, this is just the first step. What we have to do next is the real DeFi star and sea. We will cooperate with friendly DeFi projects in China, Asia and the world to expand the entire DeFi ecosystem and serve Chinese users.
At the same time, there are many old DeFi drivers in our community, many researchers, developers and investors who have been deeply involved in the DeFi community. We are also incubating and developing our own DeFi basic protocols. YFII is actually an aircraft carrier. On the one hand, we can cooperate with other destroyers and submarines like Dfocre. At the same time, there will also be YFII bombers and fighter jets on the aircraft carrier to play the role of such a fleet, so YFII's journey is only just started.

Up comming events.
CHR - Staking & Main Net - September 30th
IDEX 2.0 Launch - September
BLZ - Production Main net - September 8th
XEM - Test Net / Code Freeze v1 Launch - September 15th
DUSK - Staking - September 22nd
ARDR - Hardfork - September 22nd
SXP - Test Net - September 30th
STPT - Main Net - September 30th
DOCK - Main Net - September 30th
WAN - Test Net - September 30th
VITE - Stablecoins & White Paper - September 30th