Equal weighted indexes relative to their market cap (or float) weighted indexes are a common method of measuring the strength of the average stock relative to the index components that command a higher weighting. In other words, trends in these ratios can give an indication of where risk lies; if the ratio has been trending higher, the average stock has either gained more or lost less (depending on the trend of the index), and vice versa. For the S&P 500 and S&P 600, these relationships have either begun to materially weaken or have been weakening, signaling higher risk in the average stock relative to the index heavyweights. For the NASDAQ 100 and the S&P 400, these relationships remain in uptrends confirmed by bullish momentum regimes, signifying higher risk in the index heavyweights relative to the average stock.

S&P 500

The S&P 500 index has broken short-term support at the 3,850 level in yesterday’s trading session, continuing its descent below the declining 50-day moving average. In a similar dynamic, the Equal Weight S&P 500/S&P 500 ratio has moved up to test the highlighted resistance zone from below the now-flattening 50-day moving average of the ratio. Note that RSI in the ratio broke down into a bearish regime several trading sessions earlier, indicating a potential shift in strength from the average stock into the index heavyweights.

S&P 400

The S&P 400 index has followed a similar pattern as its larger sibling in yesterday’s trading session in breaking down below support at the 2,330 level below a declining 50-day moving average. The major difference in the space is that the Equal Weight S&P 400/S&P 400 ratio has maintained its uptrend, trading above both the ratio’s rising 50-day moving average and the rising trend line of relative support. RSI of the ratio remains in a bearish regime trading off of overbought conditions, confirming the strength of the average stock relative to the index heavyweights.

S&P 600

In a bearish turn of events, the S&P 600 has reversed course and broken below the January 2021 upside breakout zone at 1,150 in yesterday’s trading session, below a declining 50-day moving average. The Equal Weight S&P 600/S&P 600 ratio is in process of testing short-term relative support at the highlighted zone below the ratio’s declining 50-day moving average, after a feeble upside breakout attempt above the indicator late last week. RSI of the ratio is testing a key zone at the highlighted level; should momentum break down at this level, it could indicate a material shift in strength from the average stock into the index heavyweights.

NASDAQ 100

The tech-heavy NASDAQ 100 has broken short-term support at the 11,700 level in yesterday’s trading session, continuing its bearish price action below the declining 50-day moving average. The Equal Weight NASDAQ 100/NASDAQ 100 ratio is knocking on the ceiling of long-term relative resistance at the August highs of last year above the ratio’s rising 50-day moving average. RSI of the ratio confirms the bullish price action in the average index component relative to the index heavyweights, remaining in a bullish regime.

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