Beyond Price: A Volume-Weighted Relative Strength Sector Rotation Strategy

Traditional relative strength strategies are based purely on price, but what if we could add another dimension to our analysis? This article introduces a unique twist on the classic relative strength strategy by incorporating volume into the calculation. The thesis is that volume-weighted relative strength can provide a more robust and reliable signal, leading to improved performance.

The Edge: The Wisdom of the Crowd

The edge in this strategy comes from the idea that volume precedes price. A price move that is accompanied by high volume is more significant than a move on low volume. By incorporating volume into our relative strength calculation, we are giving more weight to moves that are backed by strong conviction from the market.

This is a way of measuring the quality of a trend, not just its magnitude. A sector that is rising on high volume is likely to have more institutional participation and is therefore more likely to continue its trend.

Entry Rules

The entry rules are similar to our core relative strength strategy, but with a key modification to the relative strength calculation.

1. Define the Universe: We will use the 11 Sector SPDR ETFs.

2. Calculate Volume-Weighted Relative Strength: Instead of a simple rate of change, we will use a volume-weighted version. A simple way to do this is to multiply the daily price change by the daily volume, and then sum this value over our lookback period. We will use a 3-month lookback period.

   VWRS = Sum of (Daily Price Change * Daily Volume) over the last 63 trading days (3 months)

3. Rank the Sectors: The sectors are then ranked from 1 to 11 based on their VWRS. The sector with the highest VWRS is ranked #1.

4. Entry Signal: At the end of each month, we will buy the top 3 ranked sectors.*

Exit Rules

The exit rules are designed to keep us in the strongest trends while protecting against reversals.

1. Monthly Rebalancing: The portfolio is rebalanced at the end of each month. Any sector that falls out of the top 3 in our VWRS rankings is sold.

2. Individual Stop Loss: Each position will have a 15% hard stop loss from the entry price.

3. Trailing Stop Loss: A 20% trailing stop loss from the peak price will be used to lock in profits.

Profit Targets

This strategy does not use fixed profit targets. The goal is to ride the trend in the strongest, most heavily traded sectors for as long as possible.

Risk and Money Management

Proper risk management is important for the long-term success of this strategy.

1. Position Sizing: We will allocate an equal amount of capital to each of the 3 positions.

2. Drawdown Control: A maximum portfolio drawdown of 20% from the peak equity is recommended.

3. Confirmation Bias: Be aware of the potential for confirmation bias. Just because a sector has high volume-weighted relative strength does not guarantee it will continue to rise. The exit rules are there for a reason.

A Practical Example

Let's say at the end of May, our VWRS rankings are as follows:

1. XLE (Energy)
2. XLF (Financials)
3. XLI (Industrials)

We would buy these three sectors. At the end of June, we re-calculate the VWRS. Let's say the new rankings are:

1. XLE (Energy)
2. XLK (Technology)
3. XLF (Financials)

In this case, we would sell XLI and buy XLK. We would continue to hold XLE and XLF.

By incorporating volume into our relative strength analysis, we can gain a deeper understanding of the market's conviction and create a more robust and profitable trading strategy.