Futures price decreases at the same rate as the cash price. There is no basis change here and the net price is equal to the original cash price less commission. Short hedge with futures as cash price decreases. Short hedge with futures as cash price decreases. In this scenario, basis is said to strengthen.
Futures price increases more than the cash price.
In this scenario, basis is said to weaken. Futures price increases at the same rate as the cash price. Again, there is no change in the basis in this example so the net price received is equal to the original price less commissions. Short hedge with futures as cash price increases. Short hedge with futures as cash price increases.