## The gist
The portfolio is a five-stock bet on large-cap U.S. platform companies, with Alphabet (GOOG), Apple (AAPL), Amazon (AMZN), Netflix (NFLX), and Meta (META) all sitting in the same broad gravity field. It is diversified in the mechanical sense, but the correlation structure says the portfolio is really one cluster with a few side characters.

## The numbers
- The diversification ratio is **1.57** over 1Y, which is **72.9th percentile** on the platform; that is meaningful diversification benefit, though not from especially unrelated businesses.
- Over longer windows the DR settles to **1.39** (3Y), **1.30** (5Y), **1.27** (10Y), and **1.28** inception, so the diversification edge is real but not dramatic.
- Effective asset count is **5.0 of 5**, so concentration is not coming from position sizing; it is coming from the fact that the positions mostly rhyme.

## The good
- The portfolio does contain five distinct tickers, and Apple (AAPL) and Netflix (NFLX) are not identical to the ad-tech/cloud/commerce complex, so the structure is not fake diversification.
- The 1Y DR sitting above the longer-run numbers suggests the names have not been perfectly locked together recently.

## The bad
- The main cluster is Alphabet (GOOG), Amazon (AMZN), and Meta (META), with pairwise correlations of **0.61-0.65**; that is a lot of shared fate for three different logos.
- Position-to-portfolio correlations are all high, especially Amazon at **0.82** and Alphabet/Meta at **0.79**, which means each name mostly behaves like the portfolio itself.
- The portfolio is concentrated by business model rather than by ticker count, which is the sort of concentration markets permit quite happily.

## The ugly
- If big-tech multiple compression or ad-spending weakness hits simultaneously, the GOOG-META-AMZN cluster can stop being three positions and start being one drawdown with several labels.
- Apple (AAPL) and Netflix (NFLX) help at the margins, but not enough to fully break the common equity factor and risk-on cycle that still ties the portfolio together.

## Next steps
- Portfolios with this correlation profile are usually complemented by exposures whose earnings drivers sit outside the digital-platform and consumer-discretionary cycle.
- A lower correlation regime would come from assets whose returns are driven by different macro variables, not merely different corporate wrappers.
- The recent 1Y improvement versus 5Y/inception is worth noting; it says the portfolio has become a bit less tightly coupled, which in this business counts as progress.

Performance Chart