From Modern Portfolio Theory to core-satellite construction — the structural concepts that shape how capital gets divided across asset classes.
Frameworks Covered
8
Structural allocation concepts detailed below
Modern Portfolio Theory frames investing as a trade-off between expected return and volatility, arguing that a portfolio's risk depends on how its holdings move in relation to one another — not just on each holding in isolation. Combining assets that do not move in lockstep can reduce overall portfolio volatility without necessarily reducing expected return.
The practical takeaway is the "efficient frontier" concept: for a given level of risk, there is a mix of assets that has historically offered the best expected return for that risk level, and mixes that fall below it are, in theory, leaving return on the table.
A core-satellite structure anchors the majority of a portfolio in broad, low-cost holdings — the "core" — while allocating a smaller portion to more targeted "satellite" positions intended to express a specific view, sector tilt, or opportunity.
The core is designed to be stable and low-maintenance; satellites are where most of the active decision-making and monitoring happens. This keeps overall portfolio turnover and complexity contained while still allowing for targeted positioning.
ETF Indexation
Index-tracking exchange-traded funds offer broad market exposure at low relative cost, and are frequently used as the "core" building block in core-satellite structures. Their appeal is breadth and simplicity rather than an attempt to outperform any specific benchmark.
Equity Allocation
Equity holdings are typically the primary growth engine of a long-horizon portfolio, carrying higher expected volatility in exchange for higher long-run expected return relative to fixed income or cash.
Fixed Income Allocation
Bonds and other fixed income holdings are typically used to dampen overall portfolio volatility and provide a more predictable income stream, particularly as an investor's time horizon shortens.
Diversification
Spreading exposure across asset classes, sectors and geographies reduces dependency on any single position or market outcome. Diversification does not eliminate risk, but it changes the shape of it.
Rebalancing
As markets move, actual portfolio weights drift from their targets. Rebalancing restores the original structure by trimming positions that have grown disproportionately and adding to those that have lagged.
Risk Tolerance
Every allocation framework should be filtered through an individual's actual capacity and willingness to withstand volatility — not just a theoretical optimum. Time horizon, income stability and goals all factor in.
Use the rebalancing tool to compare your current allocation against a target mix.
Open Rebalancing Tool