Copper and Semiconductors Go Their Seperate Ways

Published 22/09/2025, 06:06
Updated 22/09/2025, 08:04

The chart that caught my attention was the comparison between copper prices and semiconductors. Semiconductors have been on a tear of late, with the weekly chart showing two weeks of solid gains delivering a breakout, and bullish net technicals.

SOX-Weekly Chart

However, when you factor in copper prices, it’s looking a little more worrying. Copper prices are coming off a crash, and its subsequent bounce has the look of a relief bounce rather than the start of something more sustainable. If this relief rally cracks it will be a warning that semiconductors are heading towards a period of lower demand and it won’t be long before semiconductor prices are following those of copper.SOX-Weekly Chart

Another weekly chart to watch is the S&P 500. The current breakout from early 2025 highs has been following the former support line - now resistance. Technicals are net bullish, and there is an indication that last week’s finish is an attempt to push past this resistance. Let’s see how this plays out.

SPX-Weekly Chart

Bitcoin had a quiet week, but more importantly, it didn’t give up any of the gains it managed the week before after its successful test of support.

BTC/USD-Weekly Chart

Just for the record, the Nasdaq has been moving between its rising channel. No great cause for concern here, and a "hold" is the play if long.

Nasdaq Composite-Weekly Chart

Finally, the Russell 2000 (IWM) managed a breakout on its weekly chart. If semiconductors, and by association, tech and bitcoin, take a turn lower, then look to Small Caps to benefit.

IWM-Weekly Chart

I’ll be away for this week, so I will leave this post up until I get back.

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