Rutherford-Darwin Portfolio Review: 14 February 2025

Kew Gardens, London, England

It was another week of choppy sideways movement in US equities although the SPX did close higher by ~1.5% and close to the all-time highs that have been providing strong resistance over the past 3 months:

However, we remain well within the bullish uptrend channel so we will watch to see where we might go from here.

In terms of relative performance, US equities did not outperform international equities over the past week:

in fact, international equities have generated ~2x the return of US equities over the past 1 month and 3 month periods – although this ratio is the other way around over the past 6 months. This might suggest that we are seeing a rotation in investment sentiment – so it will be prudent to watch these markets going forward.

Checking on the Rutherford-Darwin portfolio we still have ~$50,000 invested in BIL (Short-term US Treasury T-Bills) that have so far contributed $267 “risk-free” dollars to the account.

The $10,000 allocation of funds to the 9 ETFs selected for the diversified “Buy-And-Hold” portion of the portfolio (Darwin) added ~$130 to the cause over the past week and is now up ~$300 since inception 6 weeks ago:

[Note: Somehow an error crept into my worksheet 2 weeks ago so the performance figures shown for the Darwin portion of the portfolio over the past 2 weeks were slightly in error – although the finishing totals were correct. This error has now been corrected.]

The performance of the leveraged Option portion of the portfolio looks like this:

and has shown a gain of ~$1,400 on the week thanks to the strong increase in the value of global equities over this period. Although the weakest asset class over the past week (and I am holding Puts that will benefit from further declines), I have sold my bearish (Put) position in TMF since the Option is sitting at the $42 At-The-Money (ATM) strike with maximum premium that will decay rapidly with only 7 days to go to expiration on 21 February. This was a losing trade as TMF has risen in value over the past 5 weeks. I have replaced this with a bullish position in VNQ (US Real Estate) by purchasing 2 contracts of the $86 strike Call Options expiring on 21 March (in 35 Days). These Options have a Delta of ~0.80 so is equivalent to holding 160 shares of VNQ (compared to 12 shares held in the Darwin portion of the portfolio).

The overall picture of the portfolio performance looks like this:

with a comfortable 13.5% volatility (green line). Obviously my objective is to improve the performance of the Options portion of the portfolio – with 10:1 leverage this should be easy to achieve if I can stay on the right side of the price movement. I am using a trend following approach to achieve this rather than a mean reversion approach – however, in this sideways choppy market, it is not easy to find strong (bullish or bearish) trends – so I may have to try to find a way to stay out of the chop.

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