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US equity trader thoughts - could options expiry prove to be a hidden catalyst?

Chris Weston
Head of Research
May 20, 2022
After a bloodbath in US indices on Wednesday, we’ve seen some modest calming of conditions with the focus on the US500 and whether we can break 3853, the level which takes the US500 index 20% from its 4 January high and into a textbook “bear market”.

Consider the average drawdown from its 52-week high in the US500 is 25%, so we can see the index move masks some of the pain felt on a single stock basis.

Clearly, the NAS100 is already in a technical bear market and those who hold high growth stocks and failed to protect against drawdown would certainly attest to feeling this dark sentiment.

With a focus on the US500, the set-up on the higher timeframe is of clear interest.

On the daily timeframe, the move to 3856 while just shy of the 20% drawdown has set the index up for a potential double bottom (DB), so if the bulls can pull a rabbit out of a hat.


(Source: TradingView - Past performance is not indicative of future performance.)

1) A close above the DB neckline at 4097 would target 4340, which is also the 61.8% retracement of the recent leg lower from 30 March. The move needs work but we scan for the bullish triggers.

2) Somewhat more concerning is that we see price currently under the head and shoulders neckline at 4013 where a weekly close below the neckline would in theory target 3400, just below the 200-week MA at 3480. We saw the bulls defend this level last week, and while we often see many failed H&S patterns, this may certainly come on many traders’ radars, especially with the Fed seeing a lower equity market as a positive and one of the many avenues to create a negative wealth effect.

So, some big levels for the bulls to go after – the session ahead could be telling.

Could options expiry be a short-term bullish catalyst?

One key consideration that has been a major focal point is the idea that the move lower in US equity indices has been due to different types of flow activity, exacerbating the moves lower in NAS100, US30 and US500.

One factor is the way market makers/dealers hedge options exposures – the market has been big buyers of S&P 500 and NAS 100 puts to protect/catalysis on index drawdown – as the respective indices have moved lower and through the fixed strikes of the options dealers/market makers who have sold the options have to dynamically hedge their ‘deltas’ – they are not interested in taking a view on direction, they just short S&P 500 futures to balance out and bring their delta back to zero.


(Source: Pepperstone - Past performance is not indicative of future performance.)

As it stands, I can see dealers running a massive short gamma position – this means the market can be incredibly volatile and the hedging needs by dealers significant. With options expiry (OPEX) due today, we know that a large chunk of this gamma expires – I won’t explain ‘gamma’ and ‘delta’ (there's some amazing intel on options Greeks on YouTube) but for index CFD traders this may mean that dealers will be looking at reducing their inventory of delta hedges (i.e short S&P 500 and NAS100 futures) on Monday, and therefore potentially looking to buy these back.

Could this be a source of inspiration for equity bulls? 

Perhaps – so consider after the major equity drawdown in December 2018 and March 2020, the lows and the stage for a subsequent V-shaped recovery came the day after options expiry. Granted both of these occasions came at quarterly expiry which is more significant and that doesn’t come until 17 June. However, in a world where sentiment is shot to pieces and liquidity is so poor, it wouldn’t take much to cause a positive ripple through markets, and as we know the best thing is to always be aware of the triggers and have an open mind.

The technicals are there for all to see and I have levels that can be respected, but the question today is post OPEX could we see dealer's part buy back delta hedges, subsequently proving to be a bullish catalyst, at least for a short-term move?

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