1/ What Happens with More Funds than Stocks? (Madhavan, Sobczyk, Ang)

"Funds differ meaningfully in terms of individual stock holdings, and we examine the factor exposures of the typical fund and the cross section of holdings of different funds."

https://t.co/d6vU4Fgszg

2/ * Data on fund holdings are from Morningstar
* Sample: Jan. 1, 2007 to Dec. 31, 2018
* Only funds with at least 80% of holdings from the Russell 3000 universe are considered
* Mean AUM-weighted expense ratio for mutual funds (ETFs) is 70 bps (14.2 bps) as of Q4 2018
3/ "The holdings of ETFs and active mutual funds across U.S. stocks can be efficiently summarized by approximately 10 canonical funds.

"There is more commonality explained by the first few canonical funds for active mutual funds than for ETFs."
4/ "Commonality among equity mutual funds has remained approximately constant, but there has been increased dispersion in ETF offerings.

"We see no apparent rise in concentration or crowding for mutual funds over the period from January 2007 to December 2018."
5/ "We examine commonality in active mutual funds in Morningstar style box categories. While Value and Blend commonality has remained roughly constant over the period 2007-2018, Growth funds have exhibited a marked increase in crowded positions."
6/ "Crowding is greater in factors than in individual stocks for both active mutual funds and ETFs. Factor crowding has remained relatively constant over the period examined."
7/ "The first archetypal “fund” that approximates the whole active fund universe is a market-cap index.

"The second most important is value-growth exposure.

"For ETFs, unlike active funds, the second degree of differentiation reflects both value-growth and sector exposures."
8/ "Overall, the first approximation of the stocks held by funds is that the stocks tend to be large growth stocks. In an additional second approximation, funds tend to hold stocks that are smaller with higher volatilities."
9/ "Price discovery of underlying stocks in the S&P 500 can occur through ETFs or through trades of the stocks themselves—but this has only been the case since 2015. Before then, there were fewer listed ETFs that held S&P 500 stocks compared to number of stocks in index itself."

More from Trading

1/ Feels like a good time to tell the story of how I went from broke to a millionaire to broke again in 2017/18 again...

Yesterday was brutal for some people...

Losing life-changing money sucks, losing any money sucks...you can chase the market or you can change your strategy.

2/ The original thread is gone but you can read it here.

https://t.co/cLLNs75rB0

tl;dr
- Traded $32k to $1.2m
- Thought I was a genius
- Made poor investments
- Didn't conserve capital
- Peaked at 150 BTC
- Lost nearly all of it

2 weeks from losing my house + no income. Oops.

3/ I am going to assume you are in it for the money rather than the tech. Yeah, you might Tweet about the amazing blockchaining of cross-border payments and oracles yadda yadda...really, you are in it to make money.

If you are really in it for the tech, go and build something.

4/ Okay, so if you want to make money, trading is super hard, you are trading against:
- Better traders than you
- People who can move markets
- Unknown information

And if you are trading with leverage you might blow up your account with the volatility.

5/ If you are not trading, you are investing. Okay, so what are you investing in?

I made the decision that the crypto with the best opportunity of existing in 10 years is #Bitcoin:
- Solves a genuine problem
- The right tech
- A proven track record

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