A day a market trades — which is the market's own week, not the country's.
A trading day is a day on which an exchange is open for business. Each exchange publishes its own sessions, and those sessions are the authority: a market's week is a fact about the market, not an inference from the country it sits in.
This is the one place where a working week can be stated with confidence rather than assumed. A jurisdiction may or may not publish its rest days; an exchange always publishes its sessions, because participants need them.
The two frequently disagree. An exchange can close for a settlement holiday while offices work, and can trade on a day much of the country has taken off.
Two markets whose trading week is not Monday to Friday. Both are published by the exchange itself rather than inferred from the country.
| 🇸🇦 | Sunday 10 January 2027Saudi Arabia | Saudi Exchange tradesTadawul runs Sunday to Thursday. Sunday is a full trading day. |
| 🇮🇱 | Sunday 10 January 2027Israel | Tel Aviv Stock Exchange tradesAlso Sunday to Thursday, for the same reason: the local rest days are Friday and Saturday. |
An exchange can be shut on a day offices work, and open on a day much of the country has off.
Markets and banks keep separate calendars, and a settlement holiday can close one without the other.
See also banking day · working day · rest day · settlement date
We hold published sessions and dated closures for 56 exchanges. See what we hold.