IDT r&d to revenue history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

Idt Corp Class B R&D to Revenue — Quarterly
Period ending	R&D to Revenue
Jul 31, 2026	4.1433%
Apr 30, 2026	4.4167%
Jan 31, 2026	4.4063%
Oct 31, 2025	4.2234%
Jul 31, 2025	4.0585%
Apr 30, 2025	4.2201%
Jan 31, 2025	4.1576%
Oct 31, 2024	4.1216%
Jul 31, 2024	4.0731%
Apr 30, 2024	3.1424%
Jan 31, 2024	0%
Oct 31, 2023	0%
Jul 31, 2023	4.3449%
Apr 30, 2023	4.0579%
Jan 31, 2023	0%
Oct 31, 2022	0%
Jul 31, 2022	3.7131%
Apr 30, 2022	0%
Jan 31, 2022	0%
Oct 31, 2021	0%
Jul 31, 2021	3.231%
Apr 30, 2021	0%
Jan 31, 2021	0%
Oct 31, 2020	0%
Jul 31, 2020	4.0517%
Apr 30, 2020	0%
Jan 31, 2020	0%
Oct 31, 2019	0%
Jul 31, 2019	4.577%
Apr 30, 2019	0%
Jan 31, 2019	0%
Oct 31, 2018	0%
Jul 31, 2018	4.1004%
Apr 30, 2018	0%
Jan 31, 2018	0%
Oct 31, 2017	0%
Jul 31, 2017	3.5951%
Apr 30, 2017	0%
Jan 31, 2017	0%
Oct 31, 2016	0%
Jul 31, 2016	3.4232%
Apr 30, 2016	0%
Jan 31, 2016	0%
Oct 31, 2015	0%
Jul 31, 2015	2.8093%
Apr 30, 2015	0%
Jan 31, 2015	0%
Oct 31, 2014	0.4011%
Jul 31, 2014	0.6254%
Apr 30, 2014	0.6226%
Jan 31, 2014	0.639%
Oct 31, 2013	0.541%
Jul 31, 2013	0.5468%
Apr 30, 2013	0.4323%
Jan 31, 2013	0.4418%
Oct 31, 2012	0.345%
Jul 31, 2012	0.3245%
Apr 30, 2012	0.3137%
Jan 31, 2012	0.3062%
Oct 31, 2011	0.2681%
Jul 31, 2011	0.7359%
Apr 30, 2011	0.8041%
Jan 31, 2011	0.5235%
Oct 31, 2010	0.683%
Jul 31, 2010	0.6311%
Apr 30, 2010	0.6384%
Jan 31, 2010	0.3813%
Oct 31, 2009	0.6443%
Jul 31, 2009	0.3942%
Apr 30, 2009	0.398%
Jan 31, 2009	1.0842%
Oct 31, 2008	0.3725%
Jul 31, 2008	0.3665%
Apr 30, 2008	1.9603%
Jan 31, 2008	0%
Oct 31, 2007	0%
Jul 31, 2007	0%
Apr 30, 2007	0%
Jan 31, 2007	0%
Oct 31, 2006	0%
Jul 31, 2006	0%
Apr 30, 2006	0%
Jan 31, 2006	0%
Oct 31, 2005	0%
Jul 31, 2005	0%
Apr 30, 2005	0%
Jan 31, 2005	0%
Oct 31, 2004	0%
Jul 31, 2004	0%
Apr 30, 2004	0%
Jan 31, 2004	0%
Oct 31, 2003	0%
Jul 31, 2003	0%
Apr 30, 2003	0%
Jan 31, 2003	0%
Oct 31, 2002	0%
Jul 31, 2002	0%
Apr 30, 2002	0%
Jan 31, 2002	0%
Oct 31, 2001	0%