OSL · 2027
NO OSL market holidays in 2027
253 trading days8 market holidays
Market open vs closed in 2027
253trading days in 2027 · 8 market holidays96.9% of weekdays the exchange is open
Open · 96.9%Closed · 3.1%
253trading days
8market holidays
261weekdays in the year
A trading day is a weekday the exchange is open. Market holidays are weekdays it closes — 8 in 2027 (8 closure dates, including weekend-adjacent ones listed below).
Trading days by month
Trading days per month in 2027. Shorter bars mean more market holidays (or fewer weekdays) in that month.
Market holidays
| Date | Day | Holiday |
|---|---|---|
| 01 Jan 2027 | Friday | New Year's Day |
| 25 Mar 2027 | Thursday | Maundy Thursday |
| 26 Mar 2027 | Friday | Good Friday |
| 29 Mar 2027 | Monday | Easter Monday |
| 06 May 2027 | Thursday | Ascension Day |
| 17 May 2027 | Monday | Constitution Day |
| 24 Dec 2027 | Friday | Christmas Eve |
| 31 Dec 2027 | Friday | Market holiday |
Subscribe to OSL market holidays 2027
One URL — auto-updating calendar. Works with iOS, macOS, Google Calendar and Outlook; no .ics file import needed.
iPhone / iPad / Mac — subscribe (auto-updates)
- Tap iOS / macOS — one-tap subscribe → Calendar opens → tap Subscribe.
- Or Settings → Calendar → Accounts → Add Account → Other → Add Subscribed Calendar, paste
https://exchangekit.pages.dev/osl/calendar-2027.ics.
Android — Google Calendar can't open webcal links; use one of these
- Browser → Google Calendar → Add calendar → From URL → paste the .ics URL.
- Or install ICSx5 to sync the .ics subscription into the Android system calendar.
- Samsung Calendar: Settings → Add calendar → Subscribe → paste URL.
Outlook / Windows
- Outlook → Calendar → Add calendar → Subscribe from web → paste the .ics link.
Direct .ics link (HTTPS): https://exchangekit.pages.dev/osl/calendar-2027.ics
Frequently asked questions
- How many trading days does OSL have in 2027?
- 253 trading days in 2027, after weekends and 8 market holidays are removed.
- Which days is OSL closed in 2027?
- The full closure list is in the table above, including holidays that fall next to a weekend.
- Can I subscribe to the OSL holiday calendar?
- Yes — the calendar.ics link on this page imports every closure date straight into Google Calendar, Apple Calendar or Outlook.