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JPM Head Quant Warns Of “Catastrophic Losses” For Short Vol Strategies

Courtesy of ZeroHedge. View original post here.

It has been a while since we heard from JPM’s quant guru, Marko Kolanovic, who following the recent FANG crash and quant rotations and ahead of this Friday’s massive S&P op-ex, has published his latest latter, covering everything from the aforementioned market moves, to the ongoing drastic changes in the market structure, to the prevailing low levels of volatility despite the sharp market selloff on May 17 (with no follow through), and finally concludes with his latest near-term market outlook.

First, when it comes to overall market topology, it should come as no surprise that in a world increasingly dominated by passive strategies, quants and algos, Marko first highlights the significant changes in market structure, of which he writes that “stocks are increasingly caught in powerful cross-currents of passive and quantitative investors.”

First, some striking facts: to understand this market transformation, note that Passive and Quantitative investors now account for ~60% of equity assets (vs. less than 30% a decade ago). We estimate that only ~10% of trading volumes originates from fundamental discretionary traders. This means that while fundamental narratives explaining the price action abound, the majority of equity investors today don’t buy or sell stocks based on stock-specific fundamentals.

The next, and perhaps just as important driver is, of course, central banks: “With ~$2T asset inflows per year central bank liquidity creates strong interest rate and policy sensitivity for sectors and styles. Low rates also invite investors to sell volatility.”

Discussing the recent shift in market correlations, which have become increasingly volatile, Kolanovic notes that their “interpretation has changed.” According to the JPM quant, historically, low correlation meant that stocks were driven by company-specific fundamentals – an environment in which fundamental investors thrive. Now, however, while correlations are low, it is for different reasons – large sector and style rotation driven by quant flows, monetary policy and political developments (e.g. growth-value, low volatility-high volatility, ‘Trump trade’ and its unwind), something we have repeatedly demonstrated over the past month courtesy of the work of RBC’s Charlie McElligott.

Kolanovic next adds his own 2 cents on the topic that has fascinating everyone in the financial arena, namely the collapse of vol. Contrary to some opinions, Marko says that low volatility is not a new normal or fundamentally justified – it is result of macro decorrelation and massive supply of volatility through yield generation products and strategies. He concludes his quick rundown of changes in market structure by noting that “Big Data” strategies are increasingly challenging traditional fundamental investing and will be a catalyst for changes in the years to come.

* * *

With that out of the way, Kolanovic next looks at recent market moves and writes that while the overall S&P 500 hasn’t done much since March, quantitative strategies produced significant fund flows and exerted pressure on styles and sectors. These flows accelerated after May 17th.

For instance, Energy and Financials were down, and Tech and Low volatility stocks were up by nearly ~5% in May. Low Volatility, Growth and Momentum styles were up and Value and High Beta were  down. A quick reversal of this trade contributed to the FANG sell-off over the past few days. We have written about this pattern of rebalances putting pressure in the first few days of month, and then violently snapping back as liquidity gets exhausted. Most prominently these occurred with the momentum/value divergence in Feb-Apr last year.

This is the same divergence we noted just yesterday when RBC discussed the latest sharp rotation underneath the otherwise calm market surface.

Here is Kolanovic’s take on the recent rotational volatility:

What set in motion the recent price action were a decline in bond yields and high pace of passive inflows in March and April. Specifically, March and April witnessed large speculative buying as macro and CTA funds closed shorts and entered long bond positions (Figure 1). Declining yields sent bond proxy stocks such as low volatility, large growth stocks (e.g. FANGs) higher. At the same time, Value, High Beta and Smaller stocks started selling off. A fundamental narrative given to this rotation was an unwind of the ‘Trump reflation’ trade. This trend accelerated in the May 17th selloff – during which the reflation trade was further put into question. At this point, the Value / Growth divergence was large enough to pull more quant funds in the rebalance. A sharp decline in equity market-neutral HF benchmarks (Figure 2), and performance of specific factors indicates that de-risking of some investors started. It at first involved low frequency quant strategies with a Value tilt, and has spread to short-term mean reversion (stat arb) strategies both in the US and overseas.

The contagion from low frequency to high frequency funds emerged as Value exposure is more volatile, and stocks that are more volatile tend to exhibit short-term mean reversion. If these stocks drop in succession (e.g. sold during multi-day deleveraging), the lack of mean reversion can impact some stat arb strategies. Upward pressure on Low Vol and Growth, and downward pressure on Value and High Vol peaked in the first days of June (monthly rebalances), and then quickly snapped back, pulling down FANG stocks. The contribution coming from quant rebalances to this snapback is now likely over.

Next, Kolanovic takes on the $64 trillion question: what is really driving the low volatility that has blanketed the market, by taking an amusing stab at “volatility tourists” who explain recent moves as mere “boredom”, or “waiting”, or simply because the “macro environment is very benign.” It’s not.

The low levels of volatility puzzle many investors, and an increased number of ‘volatility tourists’ trade and research volatility. It was certainly very good to be short volatility recently, and narratives justifying this as a ‘new normal’ abound. One such explanation is that the macro environment is very benign. Let’s consider that statement. In the last 20 years the VIX closed lower than 10 on a total of 11 days, and 7 of those days were in the past month. Think about that – over the past 2 decades, was the last month the most benign macro environment? (e.g. last week: Comey testimony, UK elections, ECB, geopolitical uncertainty, Qatar, FANG flash crash, etc.).

So what is really driving the low volatility? The JPM quant explains that low correlations (driven by quant flows, sector and thematic trading) are temporarily reducing volatility by 2-4 points, and a massive supply of volatility pressures implied and by extension realized volatility by another 2-4 points.

We estimated that supply from yield seeking risk premia strategies grew by ~$1Bn vega (~30% of the S&P 500 options market). In addition to these, large inflows into passive funds put further pressure on volatility. Keep in mind that passive investors almost never sell. Quant investors don’t take large directional bets and don’t overreact either (at least not for the same reasons humans do).

Kolanovic’s volatility conclusion: “we think current low levels of volatility is not a new normal and will not last very long given the amount of leverage, rising rates, and the approaching reduction of central bank balance sheets.”

Hopefully that settles that.

But if indeed passive investors and systematic, quant strategies “never sell”, and rarely react to underlying shock factors, will the market just grind on forever? The answer to that emerges from Kolanovic’ explanation of the May 17 selling, and why there was no follow through:

As macro quantitative investors (including dynamical hedging programs) are a potential driver for a selloff, it is important to understand what is driving them. Relevant signals are price momentum for trend followers, bond-equity correlation for volatility targeting and parity strategies, and intraday market volatility for a broad range of hedging and dynamic risk management strategies. Our readers will notice that we did not call for the May 17th event to trigger a broader selloff. The reason that none of the triggers for systematic selling were breached. Momentum stayed solidly positive, and the rally in bonds almost entirely offset equity selloff for investors that run high bond allocations. Additionally many volatility targeting strategies have already reached leverage caps at higher levels of volatility (than what was achieved on May 17th).

Option positioning going into May 17th was also benign. Our estimates of market making positions at the start of the day were heavily long gamma (~$35bn C-P) – initially buying into the market weakness. After ~120bps decline, these positions turned short mid-day and drove the market by additional 60bps lower into the close. As it happens most of the time, this 60bp move reverted the following day (Figure 3).

So contrary to the assumption that the market will always rebound in a BTD kneejerk response, days like May 17th and similar events “bring substantial risk for short volatility strategies.”

Finally, here is his conclusion on why the current market tranquility is masking what may be a “catastrophic”, self-reinforcing “market” crash as all those vol strats suddenly go into reverse:

Given the low starting point of the VIX, these strategies are at risk of catastrophic losses. For some strategies, this would happen if the VIX increases from ~10 to only ~20 (not far from the historical average level for VIX). While historically such an increase never happened, we think that this time may be different and sudden increases of that magnitude are possible. One scenario would be of e.g. VIX increasing from ~10 to ~15, followed by a collapse in liquidity given the market’s knowledge that certain structures need to cover short positions.

Well, there’s Kolanovic, and then there are retail investors like 40-year-old Jason Miller who has made $53,000 since the start of the year by shorting the VIX. We wonder who will be correct in the end.

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