For portfolio weighting, it is generally recommended to start with a market-weighted position of 20 percent in small caps, for example via a Russell 2000 ETF. This weighting is based on the proportion of small-cap stocks in the US stock market and serves as a solid starting point for balanced diversification of the portfolio. However, depending on your personal situation, it may make sense to adjust this weighting.
A crucial factor is this personal willingness to take risks. Investors who are ready higher risk to enter into, could consider the Increase the proportion of small caps, as these have higher long-term return potential offer. On the other hand, could Risk-averse investors who focus more on security prefer a lower weighting.
Another aspect is this Investment horizon. Those who invest for the long term have more time to compensate for possible fluctuations in the small cap sector. Therefore, with a long time horizon, a higher weighting may make sense. For investors with a shorter time horizon, a more conservative approach may make sense.
Those too existing market exposure plays an important role. When determining the small cap weighting, care should be taken to ensure that there is no overweighting in certain market segments.