Accurate, essential market holiday data for global businesses.

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Copp Clark is the global authoritative source for market holidays, early closings, and trading hours data.

Every trade, transaction, and business decision our clients make relies on the best information available. Our mission is to help you eliminate unnecessary risks by providing the most accurate, reliable, and up-to-date market closure data in the world.

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Rigorously researched and verified at source.

Markets change constantly. Staying informed about early closings, holidays and trading hours around the world requires time, commitment, and know-how.

Copp Clark’s dedicated researchers verify all of our information firsthand before we pass it on to our clients. This is our area of expertise, and no one else does it faster or better.

Continuously monitored and updated.

Our researchers are always monitoring worldwide holiday observances, and assessing impacts.

Every day, anywhere in the world, trading hours or market holidays can change. When they do, Copp Clark’s clients know about it first.

International coverage.

Our clients are world leaders in finance, technology, and manufacturing. They’re as global as our data. We operate everywhere you do.

Outstanding customer service.

Our clients rely on our approachable expertise for clear, authoritative answers in complex situations. We’re right here when you have a question.

The best in the market and great people at a great price.
Leading Voice and Electronic Broker
It’s an absolute pleasure dealing with you and your company. No other firm we deal with comes close.
A Leading Financial Markets Information and Technology Vendor
We have been extremely happy with the service and would strongly recommend it. The data has been a tremendous help to our organization.
A Leading Asset Manager
We work with a large number of data vendors, and I’m not sure how many would have responded so well, especially with a response tailored to our needs. Exceptional service, thank you.
A Leading Global Investment Bank
The only time I would use another company’s data as a sole source would be if you guys signed up a deal with them to supply their calendar data.
London-Based Asset Manager
You were always ahead of [an alternate source].
An Industry-Owned Financial Services Organization
I am extremely impressed by the service and level of customer care. You have been fantastically helpful.
A Major Bank, South Africa
This is absolutely fantastic, superb service. I shall definitely recommend your services to others in the industry.
A London bank
We have used Copp Clark for many years and they provide a fantastic service at a very reasonable price.
Head of Market-Leading Broker
We find your service very valuable and your customer service is extraordinary. I will always have a good word to say about your service.
VP, Global FX Trading for a Prominent Global Bank
Thank you very much for your time and all your work with us. It has truly been very helpful.
FX Technology Provider
I really appreciate the responsiveness from Copp Clark. We don’t get that from every vendor.
A Major Investment Management Firm
Copp Clark deserves gold stars for customer service and response time!
A Large American Bank
You are a pleasure to work with! Always deliver, no fuss, and as responsive as ever.
One of the World’s Largest Interdealer Brokers

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Copp Clark is the global authoritative source for market holiday, early closing, and trading hours data.

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