It was a ~1.5% pullback in US Equity markets, as measured by the SPY ETF, that is the benchmark for the Dirac Portfolio. The Dirac Portfolio attempts to beat the performance of the benchmark by rotating between the sectors that compose this benchmark. Since my last review I have made two adjustments to holdings in […]
Dirac 2026 Portfolio Review: 27 February, 2026
The objective of the Dirac Portfolio is to outperform the S&P 500 stocks, as represented by the SPY ETF, by rotating between sectors that make up the S&P 500 Index. Current analysis of the component sectors looks like this: with Buy or Hold recommendations for all but XLC (Communications), XLF (Financials), XLK (Technology) and XLY […]
Dirac 2026 Portfolio Review: 13 February, 2026
The objective of the Dirac portfolio is to try to beat the performance of the broader US Equity markets, as represented by SPY, by rotating holdings between sectors that comprise the benchmark. Currently holdings look like this: with seven of the ten sectors available in the quiver being held in the portfolio.
Dirac 2026 Portfolio Review: 21 January 2026
Last week I started to populate the Dirac Portfolio so as to manage it using my new Momentum/Trend and integrated Mean Reversion model/system. The objective is to see if it might be possible to beat the broader US Equity Market (S&P 500 or similar Index/Fund) by rotating between sectors that comprise this broader market.
Dirac 2026 Portfolio Review: 13 January 2026
The goal of the Dirac Portfolio is to see if we might be able to beat the performance of the broad S&P 500 Index (as represented by the SPY ETF) by actively rotating between the sectors that make up that index. I started to build this portfolio last week with the objective of trying to […]
Dirac 2026: 5 January 2026
I have reset the Dirac Portfolio to an $80,000 account and made a minor adjustment to the asset list (“quiver”) in order to limit the number of assets in the quiver to a maximum of 10 for ease of management. I have also decided to move this portfolio to the new algorithm that I have […]
Dirac Portfolio Review: 29 August 2025
The Dirac Portfolio was launched a little over 2 months ago to try to capture possible benefits from sector rotations within the US Equity markets. As such the S&P 500 is taken as the benchmark index with SPY as the representative ETF benchmark. To date, performance looks like this: with an Internal Rate of Return […]
Dirac Portfolio Review: 4 August 2025
Since my last review on 18 July I have made a few adjustments to the Dirac Portfolio especially as a result of last Friday’s weakness in the US equity markets – since this portfolio is totally focused on these markets:








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