Watch the markets for the metals most used in wartime. That tells you pretty quickly when conflict is near.
* https://www.youtube.com/watch?v=5xLxM-TzBPY
* https://omny.fm/shows/odd-lots/the-tungsten-market-is-warnin...
* https://podcasts.apple.com/us/podcast/the-tungsten-market-is...
At one event I was at I spoke with someone who was tied into the company and they said that when wars happen their business picks up because copper mining starts back up. War apparently needs a lot of copper too. I never looked into it to verify but it seemed like an interesting bit of data.
thisisauserid•50m ago