Less Frequent Reformations/Rebalancings for SACEVS and SACEMS?

A subscriber requested evaluation of versions of the Simple Asset Class ETF Value Strategy (SACEVS), the Simple Asset Class ETF Momentum Strategy (SACEMS) and a combination of the two, as follows:

1. For SACEVS Best Value, which chooses the asset proxy for the term, credit or equity premium that is most undervalued (if any), use only every third signal rather than every monthly signal. We start these quarterly signals with the first available signal in July 2002.
2. For SACEMS Equal-Weighted (EW) Top 2, use only every third signal rather than every monthly signal, rebalancing to equal weights only with these quarterly signals. We align quarterly signals with those for SACEVS.
3. For the SACEVS-SACEMS combination, use 30%-70% weights (per "SACEVS-SACEMS for Value-Momentum Diversification") and rebalance only quarterly. We align quarterly rebalancings with those for SACEVS.

The overall approach is to suppress trading by limiting portfolio reformations/rebalancings to quarterly, while retaining the informativeness of monthly inputs. We apply these changes and compare results to those for the tracked (baseline) versions of SACEVS Best Value, SACEMS EW Top 2 and their 50%-50% combination. Using monthly SACEMS and SACEVS data during July 2006 (limited by availability of a commodities proxy in SACEMS) through June 2024, we find that: