Arbitrage Opportunity in Ultra ETFs 22 comments
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Since 2006, ProShares has offered Ultra ETFs that have exposure to twice the daily exposure to certain underlying indexes. These ETFs can either be long or short the daily index. These ETFs are able to track the daily inverse by using financial instruments that allow them to use leverage.
ProShares Ultra S&P 500 (SSO) assets comprise of:
- $2.436 billion in S&P 500 Swaps
- $.392 billion in S&P 500 EMINI Futures
- $2.351 billion in the underlying equity of the S&P 500 index
- $.238 billion in cash
ProShares UltraShort S&P 500 (SDS) assets comprise of:
- -$6.568 billion in S&P 500 Swaps
- -$.519 billion in S&P 500 EMINI Futures
- $3.543 billion in cash
The problem with these Ultra ETFs is that their long-term performance will diverge from the underlying performance of the index that they track. The reason for this divergence is the fund’s use of leverage and volatility in the underlying index. The leverage used in the funds successfully allows them to track the daily price movements of the indexes that they are supposed to track, but leverage will also play against them over multiple periods if the index is extremely volatile. The charts below illustrate the problem with these ETFs. The SSO tracks twice the daily movement of the S&P 500.


As the above charts demonstrate, SSO will successfully achieve 2X the daily price movements and 2X long-term price movements only when the underlying index has successive returns. If the index demonstrates any volatility, the returns of SSO will diverge from 2X the index.
Both the SDS and SSO have a downward bias due to volatility in the markets. The below chart illustrates the potential divergence given large market volatility.

Empirically, these indexes have displayed these divergences over the past several years. An investor can take advantage of the effects that volatility has on these ETFs by constructing a portfolio that would leave an investor with theoretically no daily volatility. As displayed earlier, SSO is approximately half invested long in swaps and futures and half in the underlying equity of the S&P 500 index. SDS is only short swaps and futures in the S&P 500 index.
An example of the arbitrage portfolio would consist of shorting $100 SSO, shorting $50 SDS, and buying $50 of the S&P 500 index. This would leave an investor with approximately a $50 short exposure of long S&P 500 swaps and futures, a $50 short exposure of short S&P 500 swaps and futures, a $50 short exposure of the equity of the S&P 500 index, and a $50 long exposure of the S&P 500 index. The short-short and short-long exposure of the swaps cancel each other out to be market neutral, and the short-long and long exposure to the equity of the S&P 500 cancel each to be market neutral as well.
Constructing this portfolio would leave an investor with small daily price changes but gains in the ending of the portfolio. Looking at the hypothetical situation above, an investor could expect to make (.5*5% + -1* 8.13% + -.5*-14.69%) or 1.715% plus the interest earned on the short margin.
Because this strategy involves $150 in short and $50 in long exposure, an investor can earn the risk free rate on the excess cash. This strategy essentially allows an investor to borrow free money to invest elsewhere.
The line graph below demonstrates the returns that this arbitrage portfolio has displayed over the past several years (Line graph shows adjusted closing prices). During 2007 this portfolio (purple line) performed poorly, because there was little volatility and only upward movements in the S&P 500 index. Once the markets became volatile in 2008, the portfolio turned positive and has returned upwards of 40% over the past 3 years.
Given the recent uncertainty in the financial markets, this portfolio may be attractive for an investor seeking returns that are not correlated with the market.
Disclosure: Author currently has no exposure in this strategy, but will likely in the near future
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This article has 22 comments:
Have you considered doing this using triple-leveredged funds?
--joe
--joe
However, this idea holds merit. We use a similar setup like this in our hedge fund as part of the strategy; however, there are overlay and advantages when adding in option arbitrage trades (InterETF spreads) that we have also pioneered. Obtaining the shares to short is VERY difficult. Fortunately, we have been able to locate and obtain shares. If any qualified investor would like to know more, please shoot me an email.
On May 05 11:23 AM Augustus wrote:
> I sure like the concept. Do you have any suggestions related to possibly
> rebalancing the portfolio at different stages of imbalance?
You would create a net short position of $100 on the IWB, so you better be bearish.
On May 05 05:21 PM snoopyjc wrote:
> How about shorting $150 BGU, shorting $100 BGZ, and buying $50 IWB?
>
> --joe
Shoot me an email (tcollins@claruspartne... I'd like to talk with you further if you have any interest.
-tim
On May 05 06:02 PM Luck-o-the-Irish wrote:
> Robert,
> Shoot me an email (tcollins@claruspartne... I'd like to talk with
> you further if you have any interest.
>
> -tim
On May 05 07:24 PM PutneyHillYank wrote:
> I will say that the 2 cent miss by CHK resulted in my opening a long
> postion in that one when it was down 12 percent for the day this
> afternoon. But trading is easy just fade the crowd when they are
> in extreme mode.
On May 05 07:08 PM PutneyHillYank wrote:
> Give it a rest if you have assets in equity markets you like but
> need some comfort then buy some BGZ its that simple.
As for what you are saying about the cash not being free, you may be completely right. I have not attempted to complete this transaction yet.
On May 06 01:00 PM Robert Zingale wrote:
> Luck-O-Irish I see what you are saying about the exposure. I was
> originally just looking at the asset allocations within the ETF to
> construct the portfolio and forgot how the returns on SSO are actually
> not completely covered under my article. It would be better to replace
> the $100 with only $75. This would still leave the strategy at a
> 28.15% return when I wrote the article.
>
> As for what you are saying about the cash not being free, you may
> be completely right. I have not attempted to complete this transaction
> yet.
But in the above example the S&P went up 5%, so if he was net short wouldn't he have lost money as opposed to returning 1.715%?
Thank you for your posts, very interesting stuff.
On May 05 05:54 PM Luck-o-the-Irish wrote:
> Do the math...long $50 SPY is long $50, short $100 SSO is like being
> short $200 SPY, and being short $50 SDS is like being long $100 SPY,
> so you are NET short in this portfolio, which is the real reason
> for the decline in 2007 and the rise in 2008 ($50+$100-$200= - $50).
>
> However, this idea holds merit. We use a similar setup like this
> in our hedge fund as part of the strategy; however, there are overlay
> and advantages when adding in option arbitrage trades (InterETF spreads)
> that we have also pioneered. Obtaining the shares to short is VERY
> difficult. Fortunately, we have been able to locate and obtain shares.
> If any qualified investor would like to know more, please shoot me
> an email.
On May 06 05:55 PM Zac wrote:
> Irish,
> But in the above example the S&P went up 5%, so if he was net
> short wouldn't he have lost money as opposed to returning 1.715%?
>
> Thank you for your posts, very interesting stuff.
>
> On May 05 05:54 PM Luck-o-the-Irish wrote: