The largest ETF selected is 5 120 10, and its scale exceeds1300 million RMB. The smallest is 5 12 120, and the scale is less than 1 100 million. Next, let's take a look at the ups and downs of these ETFs. It can be seen that the best runner in recent five years is 5 120 10, which is not only the biggest but also the best runner. But if we only look at this year's data, 5 12 170 is the best. It can be seen that in 5 120 10, Hengrui Pharma accounts for more than 26%. In other words, the rise and fall of this ETF is basically determined by Hengrui. (Just like SSE 50 is the only one in Ping An) Relatively speaking, 5 12 170 is much more common, and it does not include the giant Hengrui, but it includes another very good choice-Aier Ophthalmology. The most average is 00 1550, which is highly dispersed. Huitianfu CSI Medical Health 159929 includes Wuxi PharmaTech, Aier Ophthalmology and Hengrui, which seems to be the most comprehensive ETF. Conclusion: 5 120 10 has the largest scale, but it is completely dominated by Hengrui, so it cannot spread risks. Comparatively speaking, 5 12 170 and 159929 seem to be better choices.

：

What's the difference between 1.etf and general fund?

1, the trading system is different: etf funds choose the trading rules and systems that are closely combined with the primary market purchase and redemption and the secondary market transaction, which means that investors can arbitrage in the primary market and the secondary market; Ordinary closed-end funds can only be traded at the market price in the secondary market, and cannot be arbitrage;

2. Different fund scale: the operation scale of etf will be adjusted with the application and redemption of investors, while the operation scale of market share of ordinary closed-end funds is fixed and is not easy to change during the renewal period;

3. Transparency and liquidity are different: etf announces the market share of investment every day and the unit net value, while ordinary closed-end funds announce it quarterly or semi-annually, and announce the fund net value once a week.

Second, what is an etf?

Etf funds, also known as transactional open index funds, can be listed and traded in trading places, and the fund share can be changed. Etf funds mainly invest in stocks. Not only that, investors can purchase or redeem fund shares, but also buy and sell etf fund shares in the second-hand market.