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 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 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: 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 May 2026
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: 20 March 2026
The Dirac Portfolio is a US-only Equity Portfolio with no diversification outside of this market/asset class. The objective of the portfolio is to outperform the broader market, as represented by SPY (ETF tracking the S&P 500 Index), by rotating between sectors within this broader market. This week saw a minor adjustment:
Dirac 2026 Portfolio Review: 27 March 2026
US Equities took a ~2.2% hit this week so we’ll take a look at how the Dirac Portfolio performed as it focusses on investing in the sectors of this market that are showing the strongest relative strength. The current analysis sheet looks like this:
Dirac 2026 Portfolio Review: 2 April 2026
This week saw a lot of volatility in the US Equity Markets, so let’s take a look at the current recommendations of our momentum/acceleration model for the 10 Sector ETFs that comprise this portfolio: We now see five Momentum Buy recommendations (XLB – Materials), XLE (Energy), XLI (Industrials), XLP (Consumer Staples) and XLV (Health Care) […]








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