For exact dates, please refer to the   Norway trading calendar.

Norwegian index expiries
	6 months	12 months
OBX index	February, March, May, June, August, September, November, December	January, April, July, October

Norwegian stock expiries
	3 months	6 / 9 months	12 months	24 months
Group 1 Norwegian stocks	January, February, April, May, July, August, October, November		March, June, September, December	June, December
Group 2 Norwegian stocks		March, June, September, December