I am probably simply confused but what’s the proxy measurement?

I assume a product related directly to another product. So when energy prices start to go up, invest in heat pump companies.

	▲	infecto 6 hours ago \| parent [-]
		Thats what I was guessing but was thrown off because it is a pretty natural nth order effect. Gas prices go up, more efficient cars get sold.

hervature 6 hours ago | parent | prev | next [-]

Heat pump sales for energy costs.

NewJazz 6 hours ago | parent | prev [-]

More efficient hvac tech is a partial substitute for fuel.