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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
Copyright (C) 2004 FIMAT Group
Copyright (C) 2007, 2011 StatPro Italia srl
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it
under the terms of the QuantLib license. You should have received a
copy of the license along with this program; if not, please email
<quantlib-dev@lists.sf.net>. The license is also available online at
<http://quantlib.org/license.shtml>.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
*/
#include <ql/time/calendars/saudiarabia.hpp>
#include <ql/errors.hpp>
#include <algorithm>
namespace QuantLib {
namespace {
bool isTrueWeekend(Date d) {
// The Saudi weekend was changed from 29th June 2013
Weekday w = d.weekday();
return (d < Date(29, June, 2013)) ?
(w == Thursday || w == Friday) :
(w == Friday || w == Saturday);
}
// In 2015 and 2014, the Eid holidays of the Tadawul Exchange
// have been from Eid-1 to Eid+4
// Sometimes, slightly longer holidays are observed
// But conservatively, we take Eid-1 to Eid+4 as the holiday
// Eid Date Holiday Offset Remarks
// 2015-09-23 22-27 -1,+4 later extended to 22-28 or -1+5
// 2015-07-17 18-21 -1,+4
// 2014-10-05 03-11 -1,+4 because of weekend 03-11 is same as 04-09
// 2014-07-28 25-03 -1,+4 because of weekend 25-03 is same as 27-01
// 2013-10-15 11-19 -2,+4 because of weekend 11-19 is same as 13-19
// 2013-08-08 06-12 -2,+4
// 2012-10-26 25-03 -1,+5 because of weekend 25-03 is same as 25-31
// 2012-08-19 16-24 -1,+4 because of weekend 16-24 is same as 18-23
bool isEidAlAdha(Date d) {
// Eid al Adha dates taken from:
// https://en.wikipedia.org/wiki/Eid_al-Adha#Eid_al-Adha_in_the_Gregorian_calendar
static std::vector<Date> EidAlAdha = {
Date(7, April, 1998),
Date(27, March, 1999),
Date(16, March, 2000),
Date(5, March, 2001),
Date(23, February, 2002),
Date(12, February, 2003),
Date(1, February, 2004),
Date(21, January, 2005),
Date(10, January, 2006),
Date(31, December, 2006),
Date(20, December, 2007),
Date(8, December, 2008),
Date(27, November, 2009),
Date(16, November, 2010),
Date(6, November, 2011),
Date(26, October, 2012),
Date(15, October, 2013),
Date(4, October, 2014),
Date(24, September, 2015),
Date(11, September, 2016),
Date(1, September, 2017),
Date(23, August, 2018),
Date(12, August, 2019),
Date(31, July, 2020),
Date(20, July, 2021),
Date(10, July, 2022)
};
return std::any_of(EidAlAdha.begin(), EidAlAdha.end(),
[=](Date p) { return d >= p - 1 && d <= p + 4; });
}
bool isEidAlFitr(Date d) {
// Eid al Fitr dates taken from:
// https://en.wikipedia.org/wiki/Eid_al-Fitr#In_the_Gregorian_calendar
static std::vector<Date> EidAlFitr = {
Date(16, Dec, 2001),
Date(5, Dec, 2002),
Date(25, Nov, 2003),
Date(13, Nov, 2004),
Date(3, Nov, 2005),
Date(23, Oct, 2006),
Date(12, Oct, 2007),
Date(30, Sep, 2008),
Date(20, Sep, 2009),
Date(10, Sep, 2010),
Date(30, Aug, 2011),
Date(19, Aug, 2012),
Date(8, Aug, 2013),
Date(28, Jul, 2014),
Date(17, Jul, 2015),
Date(6, Jul, 2016),
Date(25, Jun, 2017),
Date(15, Jun, 2018),
Date(4, Jun, 2019),
Date(24, May, 2020),
Date(13, May, 2021),
Date(2, May, 2022),
Date(21, Apr, 2023),
Date(10, Apr, 2024),
Date(30, Mar, 2025),
Date(20, Mar, 2026),
Date(9, Mar, 2027),
Date(26, Feb, 2028),
Date(14, Feb, 2029)
};
return std::any_of(EidAlFitr.begin(), EidAlFitr.end(),
[=](Date p) { return d >= p - 1 && d <= p + 4; });
}
}
SaudiArabia::SaudiArabia(Market market) {
// all calendar instances share the same implementation instance
static ext::shared_ptr<Calendar::Impl> tadawulImpl(
new SaudiArabia::TadawulImpl);
switch (market) {
case Tadawul:
impl_ = tadawulImpl;
break;
default:
QL_FAIL("unknown market");
}
}
bool SaudiArabia::TadawulImpl::isWeekend(Weekday w) const {
return w == Friday || w == Saturday;
}
bool SaudiArabia::TadawulImpl::isBusinessDay(const Date& date) const {
Day d = date.dayOfMonth();
Month m = date.month();
Year y = date.year();
if (isTrueWeekend(date)
|| isEidAlAdha(date)
|| isEidAlFitr(date)
// National Day
|| (d == 23 && m == September)
// other one-shot holidays
|| (d == 26 && m == February && y==2011)
|| (d == 19 && m == March && y==2011)
)
return false; // NOLINT(readability-simplify-boolean-expr)
return true;
}
}
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