* WCS for May delivery in Hardisty, Alberta, traded between
$16.30 and $15.80 a barrel under WTI, according to brokerage
CalRock, after having traded between $15.60 and $15.50 a barrel
under the U.S. benchmark on Thursday, the last session before
the Good Friday holiday.
* Long positions held by some buyers are keeping the demand
in check, while cool weather has kept the ground in Western
Canada solid, limiting the usual production reduction during
spring breakup season, an industry source said.
* Light synthetic crude from the oil sands for May delivery
traded at $2.75 to $2.90 over WTI, after not changing hands on
Thursday, according to CalRock.
* Global oil prices slipped, after rising for three straight
weeks, as concern about further interest rate hikes that could
curb demand balanced the prospect of a tighter market due to
supply cuts from OPEC+ producers. (Reporting by Rod Nickel; Editing by Shweta Agarwal)