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We have answers.

Yes. You may cancel for any reason, at any time, on five days’ notice.

Yes. We provide unlimited, free informational support to all customers.

Yes. Your format will never, ever change (except at your request).

Yes. You can switch between our standard formats at any time at no extra charge.

We offer many format options. If you need a format that we don’t offer, we may be able to create it for you.

Yes, at any time. Your contract gives you a guaranteed cost and makes it very easy to add new centers.

We can create synthetic centers that are customized to your needs, no matter how exotic. Most commonly, customers ask us to create combinations of existing centers. For example, days that are either New York or London bank holidays.

We will develop the necessary data for you.

Yes.

In general, to qualify as a holiday a center must be closed for the entire day. Even if a center is open for just a few minutes, that day is not a holiday. For a limited number of exchanges, we publish as holidays the dates when they are expected to close early. For detailed data pertaining to the session times of exchanges, use our Trading Hours data.

It would not be advisable unless all the financial centers that you currently receive, as well as any you might order in the future, employ a Saturday-Sunday weekend.

Keep in mind that many countries do not employ a Saturday-Sunday weekend. Even countries that normally do so will sometimes turn one of these days into a working day. Also, countries periodically change their weekends.

Any future event that depends on human behavior carries an element of uncertainty. Holiday dates are no exception.

In general, the uncertainty is greater the further into the future the date in question. For example, Good Friday next year is almost 100% certain to be a holiday for London banks. But what about in 100 years’ time? Or 200 years? In both cases, Good Friday will probably still be a holiday, but the likelihood is substantially less than 100%.

Of course, there are many other factors in addition to time that contribute to the uncertainty.

We use a simple metric to decide whether a particular date should be a holiday—the probability. We assign probabilities to all future events, and we list a date as a holiday if the probability is greater than 50%.

Fundamentally, our data represents a prediction of future human behavior. In particular, the dates on which a group of people decide that they will or will not perform certain activities.

As such, the vast majority of centers do not have a single source. Rather, they reflect a portfolio of different and sometimes competing influences. These include:

• The underlying calendar (Gregorian, Muslim, Hindu, etc).
• The current holiday expectations on the part of the center itself.
• External factors (legislation, government mandate, etc).

Yes, we have extensive history, going back as far as the 1950s for some financial centers.

It depends on your business needs, because we can customize the window to your specifications. Ask yourself the question, “At any point in time, what is the furthest into the future that I need to go?” For example, if you do 10-year interest rate swaps, you would probably want a 10 or 11-year window. On the other hand, if you do equity options with a life of three months, then a window of 100 or 110 days should suffice.

We can give you whatever window you need, subject to a minimum of 3 weeks and a maximum of over 220 years.

As a series of flat files via SFTP, or as a text string through an API.

If you receive our full coverage, you’ll receive between three and four batches of updates on a typical weekday, as well as a batch on many weekends. On the other hand, customers who license a small number of centers may go weeks or even months between updates.

As soon as possible after a change has been identified and confirmed.

Yes, at any time. Your contract gives you a guaranteed cost and makes it very easy to do so.

We will develop the necessary data for you.

We do it for you, so you don’t have to. We present the data in the local time of the exchange and converted into any time zone of your choice (e.g. Toronto time, Universal Time, etc).

In the main data file, there is one row (record) for every trading session. In addition, dates when no trading takes place (due either to a weekend or a holiday) are also present as a separate line which contains a marker to indicate the reason for the closure.

Yes. We provide a field that flags the first days on which new session times are in effect.

By definition, it’s impossible to predict the exact time when trading will open or close at markets that randomize. However, we know the earliest and latest possible times, and we include this time range in your data.

There is a field called “Irregular” that flags all occasions when a market departs from its regular hours of operation, whether due to an early close, a late open, a system crash, etc.

Deliveries are sent daily, typically between midnight and 3am New York time. We also issue intra-day updates whenever necessary, including on weekends.

Yes. You may cancel for any reason, at any time, on five days’ notice.

Yes. We provide unlimited, free informational support to all customers.

Yes. Your format will never, ever change (except at your request).

Yes. You can switch between our standard formats at any time at no extra charge.

We offer many format options. If you need a format that we don’t offer, we may be able to create it for you.

Yes, we have extensive history, going back as far as the 1950s for some financial centers.

We can give you whatever window you need, subject to a minimum of 3 weeks and a maximum of over 220 years.

As soon as possible after a change has been identified and confirmed.

Yes, at any time. Your contract gives you a guaranteed unit cost and makes it very easy.

We will develop the necessary data for you.

We do it for you, so you don’t have to. We present the data in the local time of the exchange and converted into any time zone of your choice (e.g. Toronto time, Universal Time, etc).

A one-letter code indicating the status of the associated date(s)/time(s) is provided in the main data file. It contains either “O” (for “official”, meaning that the date(s) and time(s) have been officially announced by the sponsor), “D” (for date-only, meaning that the date(s) but not the time(s) have been officially announced), or “P” (for “projected”, meaning that both the dates(s) and time(s) are our projections based on the sponsor’s practices).

Each iteration (e.g. preliminary, final, etc) is assigned a number based on chronological order, with the first iteration assigned 1, followed by 2, 3 and so on.

Yes, we have extensive history, going back as far as the 1990s for some events.

We can give you whatever window you need, subject to a minimum of 7 days and a maximum of over 70 years.

Deliveries are sent daily, typically between midnight and 3am New York time. We also issue intra-day updates whenever necessary, including on weekends.

Yes. You may cancel for any reason, at any time, on five days’ notice.

Yes. We provide unlimited, free informational support to all customers.

Yes. Your format will never, ever change (except at your request).

Yes. You can switch between our standard formats at any time at no extra charge.

We offer many format options. If you need a format that we don’t offer, we may be able to create it for you.

As soon as possible after a change has been identified and confirmed.

Yes, at any time. Your contract gives you a guaranteed cost and makes it very easy to do so.

We will develop the necessary data for you.

We publish the underlying trading hours for every contract. Our system reads the associated session times and automatically adjusts for early closes and any other relevant events.

Yes. All dates are adjusted for the underlying trading calendar according to the algorithm for each contract.

No. We deliver all expiration-related events, such as first notice days, last delivery days, etc.

We do it for you, so you don’t have to. We present the data in the local time of the exchange and converted into any time zone of your choice (e.g. Toronto time, Universal Time, etc).

Yes. You may cancel for any reason, at any time, on five days’ notice.

Yes. We provide unlimited, free informational support to all customers.

Yes. Your format will never, ever change (except at your request).

Yes. You can switch between our standard formats at any time at no extra charge.

We offer many format options. If you need a format that we don’t offer, we may be able to create it for you.

Yes, we have extensive history, going back as far as the 1950s for some financial centers.

We can give you whatever window you need, subject to a minimum of 3 weeks and a maximum of over 220 years.

If you receive our full coverage, you’ll receive between three and four batches of updates on a typical weekday, as well as a batch on many weekends. On the other hand, customers who license a small number of centers may go weeks or even months between updates.

As soon as possible after a change has been identified and confirmed.

A “financial center”, or sometimes just “center”, is our term for an entity whose data we publish. For example, New York bank holidays, Bursa Malaysia trading hours, or German CPI publication times. Each center is identified by a unique three-, four- or five-letter code.

Over 70% of our resources are devoted to research.

We run an extensive training program that covers everything an analyst needs to know. This includes

• How trading works, at both stock and futures exchanges.
• The plumbing of the financial markets, including central securities depositories and clearing houses.
• Payment systems.
• FX markets.
• Government bond auctions.
• Cultural and country awareness.
• Cognitive obstacles, such as confirmation bias.
• Use of our proprietary tools.

Training begins on day one and takes several years to complete. Thereafter, a program of continuing education keeps knowledge fresh.

Research is by far the biggest component of our business and is a complex, multi-faceted process. Every one of the 300 million data points that we publish is owned by a research analyst, with support from a secondary owner and many other resources. Responsibilities are assigned on the basis of language, time zone and the requisite skills. All analysts undergo extensive training, both prior to their first responsibilities and thereafter on a continuing basis.