After following the expiring March contract up during the normal (trend for the last year) expiration strength, the April contract gave up much of its gains by the end of Friday. I would expect the declines to continue this week but events in Europe may create an external impact.
Major Support:$4.38, $4.26, $3.972, $3.734, $3.63, $3.584-$3.522
Minor Support: $4.48
Major Resistance:$4.664, $4.735, $4.825 $4.879, $5.088