Year:2026 2026 (current)2027

2027 market holidays

—Projected

OSL (Euronext Oslo (Oslo Børs)) market holidays2027 dates & closures

Euronext Oslo (Oslo Børs) (OSL) has 12 scheduled holiday dates in 2027, including 12 full-day closures. The next full closure is New Year's Day on Friday, January 1, 2027. This schedule is projected from historical patterns — the official 2027 calendar has not been announced yet. Regular trading runs 09:00–16:20 GMT+1, Monday – Friday.

Is OSL open today?OSL trading hours All exchange holidays

12
Holiday dates in 2027: 12
Full-day closures: 0
Early closes & half days

Next full-day closures

2027

Jan1
New Year's Day
Fri · market closed all day
Mar25
Maundy Thursday
Thu · market closed all day
Mar26
Good Friday
Fri · market closed all day
Mar29
Easter Monday
Mon · market closed all day
May6
Ascension Day
Thu · market closed all day
May17
Constitution Day
Mon · market closed all day
May17
Whit Monday
Mon · market closed all day
May18
Constitution Day (Observed)
Tue · market closed all day
Dec24
Christmas Eve
Fri · market closed all day
Dec25
Christmas Day
Sat · market closed all day
Dec26
Boxing Day
Sun · market closed all day
Dec31
New Year's Eve
Fri · market closed all day

Download 2027 calendar (.ics)

Holiday dates follow the exchange’s official calendar; early closes and substitute holidays are included where published.

Full 2027 schedule

2027 Holiday Calendar — Full Schedule12 total dates

Date	Holiday	Status	Trading hours
January 20271 full closure
Jan 1, 2027Friday	New Year's Dayprojected	Full closure	Closed
March 20273 full closures
Mar 25, 2027Thursday	Maundy Thursdayprojected	Full closure	Closed
Mar 26, 2027Friday	Good Fridayprojected	Full closure	Closed
Mar 29, 2027Monday	Easter Mondayprojected	Full closure	Closed
May 20274 full closures
May 6, 2027Thursday	Ascension Dayprojected	Full closure	Closed
May 17, 2027Monday	Constitution Dayprojected	Full closure	Closed
May 17, 2027Monday	Whit Mondayprojected	Full closure	Closed
May 18, 2027Tuesday	Constitution Day (Observed)projected	Full closure	Closed
December 20274 full closures
Dec 24, 2027Friday	Christmas Eveprojected	Full closure	Closed
Dec 25, 2027Saturday	Christmas Dayprojected	Full closure	Closed
Dec 26, 2027Sunday	Boxing Dayprojected	Full closure	Closed
Dec 31, 2027Friday	New Year's Eveprojected	Full closure	Closed

Full-day closure Early close Half day Special sessionAll times local to the exchange.

2027 OSL Holidays

2027 Euronext Oslo (Oslo Børs) Holidays Calendar

Weekend

Open

Current

Irregular Schedule

Closed

January 2027

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July 2027

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October 2027

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November 2027

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December 2027

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About OSL Trading Hours

Regular Hours: 09:00 – 16:20 (Europe/Oslo)

Country: Norway

Time Zone: Europe/Oslo

Currency: NOK

Official OSL Website →

Frequently Asked Questions

Is OSL closed on weekends?

Yes, OSL is closed on Sundays and Saturdays. Regular trading occurs Monday – Friday only.

Does OSL close for lunch?

No, OSL does not have a lunch break. Trading is continuous during the session.

What happens if a holiday falls on a weekend?

Most exchanges observe the holiday on the nearest weekday — a Saturday holiday is usually observed on Friday, and a Sunday holiday on Monday. Check the official schedule for specific adjustments.