$data <<EOF
03/1998	39.88	39.88	39.88	39.88	0.00%
04/1998	39.88	39.88	39.27	39.27	-1.53%
05/1998	39.27	39.27	39.27	39.27	0.00%
06/1998	39.27	48.83	39.27	48.83	24.34%
07/1998	48.83	48.83	48.83	48.83	0.00%
08/1998	48.83	52.15	48.83	52.15	6.80%
09/1998	52.15	52.15	49.39	49.39	-5.29%
10/1998	49.39	49.39	49.39	49.39	0.00%
11/1998	49.39	49.39	49.39	49.39	0.00%
12/1998	49.39	52.15	49.39	52.15	5.59%
01/1999	52.15	53.00	49.39	51.30	-1.63%
02/1999	51.30	51.30	51.00	51.00	0.58%
03/1999	51.00	51.00	43.00	43.00	-15.69%
04/1999	43.00	47.00	43.00	44.40	3.26%
05/1999	44.40	44.40	44.40	44.40	0.00%
06/1999	44.40	44.40	44.40	44.40	0.00%
07/1999	44.40	44.40	40.60	40.60	-8.56%
08/1999	40.60	43.00	40.60	41.00	0.99%
09/1999	41.00	41.00	39.00	39.00	-4.88%
10/1999	39.00	39.00	37.00	37.00	-5.13%
11/1999	37.00	41.00	37.00	41.00	10.81%
12/1999	41.00	42.20	41.00	42.20	2.93%
01/2000	42.20	44.00	38.50	38.50	-8.77%
02/2000	38.50	39.00	35.00	35.00	-9.09%
03/2000	35.00	35.00	34.50	34.50	-1.43%
04/2000	34.50	38.50	34.50	38.50	11.59%
05/2000	38.50	38.50	37.50	38.00	-1.30%
06/2000	38.00	40.00	37.00	38.00	0.00%
07/2000	38.00	41.00	38.00	39.60	4.21%
08/2000	39.60	44.20	39.60	43.00	8.59%
09/2000	43.00	43.00	38.40	39.50	-8.14%
10/2000	39.50	41.20	39.30	41.00	3.80%
11/2000	41.00	43.30	39.00	39.00	-4.88%
12/2000	39.00	39.90	38.30	38.50	-1.28%
01/2001	38.50	41.00	38.50	40.40	4.94%
02/2001	40.40	41.00	38.30	39.70	-1.73%
03/2001	39.70	39.80	33.70	36.20	-8.82%
04/2001	36.20	37.50	35.40	36.00	0.55%
05/2001	36.00	37.30	33.50	35.30	-1.94%
06/2001	35.30	41.00	34.50	41.00	16.15%
07/2001	41.00	44.40	40.20	43.20	5.37%
08/2001	43.20	47.00	42.80	46.70	8.10%
09/2001	46.70	46.70	39.00	43.50	-6.85%
10/2001	43.50	45.30	42.00	42.20	-2.99%
11/2001	42.20	43.50	41.20	42.00	0.47%
12/2001	42.00	45.00	42.00	45.00	7.14%
01/2002	45.00	48.50	43.50	47.00	4.44%
02/2002	47.00	47.70	45.00	46.70	0.64%
03/2002	46.70	47.20	43.00	44.00	-5.78%
04/2002	44.00	44.20	38.50	41.30	-6.14%
05/2002	41.30	42.60	40.00	41.50	0.48%
06/2002	41.50	41.50	36.00	36.00	-13.25%
07/2002	36.00	37.00	30.00	34.50	-4.17%
08/2002	34.50	35.00	28.50	29.00	-15.94%
09/2002	29.00	29.50	28.00	29.00	0.00%
10/2002	29.00	29.70	23.60	24.30	-16.21%
11/2002	24.30	27.50	24.30	27.50	13.17%
12/2002	27.50	29.50	26.00	28.30	2.91%
01/2003	28.30	29.30	25.50	25.50	-9.89%
02/2003	25.50	27.20	20.70	20.70	-18.82%
03/2003	20.70	22.10	19.00	20.20	-2.42%
04/2003	20.20	25.50	20.00	23.80	17.82%
05/2003	23.80	28.55	23.80	27.64	16.13%
06/2003	27.64	27.70	21.33	22.60	-18.23%
07/2003	22.60	23.85	21.70	21.70	-3.98%
08/2003	21.70	24.35	21.46	24.11	11.11%
09/2003	24.11	26.35	23.89	25.60	6.18%
10/2003	25.60	26.87	24.30	26.87	4.96%
11/2003	26.87	27.25	26.47	26.52	-1.30%
12/2003	26.52	29.95	26.52	29.85	12.56%
01/2004	29.85	31.85	29.60	31.85	6.70%
02/2004	31.85	31.85	29.03	29.58	-7.13%
03/2004	29.58	31.07	28.74	31.07	5.04%
04/2004	31.07	35.70	30.55	32.96	6.08%
05/2004	32.96	38.44	32.96	37.91	15.02%
06/2004	37.91	40.00	37.31	37.80	0.29%
07/2004	37.80	38.47	36.00	38.01	0.56%
08/2004	38.01	40.35	38.01	40.00	5.24%
09/2004	40.00	42.20	39.77	42.04	5.10%
10/2004	42.04	44.25	40.15	42.00	0.10%
11/2004	42.00	42.80	38.83	38.83	-7.55%
12/2004	38.83	40.00	37.09	37.50	-3.43%
01/2005	37.50	37.83	35.40	37.80	0.80%
02/2005	37.80	38.08	36.49	36.80	-2.65%
03/2005	36.80	38.10	36.53	37.10	0.82%
04/2005	37.10	38.58	36.23	36.23	-2.35%
05/2005	36.23	37.65	36.23	37.05	2.26%
06/2005	37.05	40.70	36.95	39.90	7.69%
07/2005	39.90	44.90	39.40	44.90	12.53%
08/2005	44.90	46.80	44.30	45.56	1.47%
09/2005	45.56	45.75	42.76	43.80	-3.86%
10/2005	43.80	44.06	40.00	41.13	-6.10%
11/2005	41.13	41.73	40.17	41.61	1.17%
12/2005	41.61	42.50	39.10	39.80	-4.35%
01/2006	39.80	42.15	39.60	40.43	1.58%
02/2006	40.43	40.96	39.30	39.69	-1.83%
03/2006	39.69	41.50	39.41	39.80	0.28%
04/2006	39.80	42.27	39.80	40.82	2.56%
05/2006	40.82	41.06	38.75	40.06	-1.86%
06/2006	40.06	42.00	40.02	41.40	3.34%
07/2006	41.40	46.05	41.40	45.22	9.23%
08/2006	45.22	45.71	43.44	45.39	0.38%
09/2006	45.39	49.80	45.32	49.80	9.72%
10/2006	49.80	50.15	47.90	47.90	-3.82%
11/2006	47.90	49.28	47.81	48.45	1.15%
12/2006	48.45	54.65	48.07	52.30	7.95%
01/2007	52.30	54.65	50.20	50.60	-3.25%
02/2007	50.60	51.10	47.89	48.83	-3.50%
03/2007	48.83	48.83	43.05	43.05	-11.84%
04/2007	43.05	44.51	41.66	43.57	1.21%
05/2007	43.57	45.66	42.90	43.29	0.64%
06/2007	43.29	46.19	42.80	44.02	1.69%
07/2007	44.02	44.02	38.27	41.52	-5.68%
08/2007	41.52	45.14	40.42	40.71	-1.95%
09/2007	40.71	42.31	40.59	41.07	0.88%
10/2007	41.07	41.33	39.16	39.93	-2.78%
11/2007	39.93	40.08	30.81	32.26	-19.21%
12/2007	32.26	32.60	30.46	30.87	-4.31%
01/2008	30.87	35.57	30.87	33.67	9.07%
02/2008	33.67	33.75	30.13	31.86	-5.38%
03/2008	31.86	31.86	22.45	22.45	-29.54%
04/2008	22.45	29.30	20.45	28.01	24.77%
05/2008	28.01	28.01	24.61	25.98	-7.25%
06/2008	25.98	26.28	23.53	23.55	-9.35%
07/2008	23.55	23.87	21.41	21.41	-9.09%
08/2008	21.41	27.19	21.41	27.09	26.53%
09/2008	27.09	27.76	23.08	23.08	-14.80%
10/2008	23.08	25.42	16.96	19.76	-14.38%
11/2008	19.76	24.56	19.76	23.21	17.46%
12/2008	23.21	24.51	22.18	23.72	2.20%
01/2009	23.72	25.40	23.70	24.53	3.41%
02/2009	24.53	25.76	22.76	22.76	-7.22%
03/2009	22.76	22.76	19.91	22.13	-2.77%
04/2009	22.13	23.37	21.16	21.16	-4.38%
05/2009	21.16	23.60	19.27	23.55	11.29%
06/2009	23.55	24.04	21.29	22.72	-3.52%
07/2009	22.72	23.50	22.04	23.50	3.43%
08/2009	23.50	27.58	23.15	27.20	15.74%
09/2009	27.20	30.23	26.30	29.01	6.65%
10/2009	29.01	31.61	28.27	30.03	3.52%
11/2009	30.03	31.11	29.01	29.57	-1.53%
12/2009	29.57	30.93	29.48	30.23	2.23%
01/2010	30.23	33.31	29.20	32.29	6.81%
02/2010	32.29	33.71	30.34	32.38	0.28%
03/2010	32.38	33.31	31.29	31.64	-2.29%
04/2010	31.64	32.85	29.03	29.47	-6.86%
05/2010	29.47	29.47	24.91	26.83	-8.96%
06/2010	26.83	27.68	25.80	25.80	-3.84%
07/2010	25.80	25.80	24.51	24.76	-4.03%
08/2010	24.76	25.22	22.69	22.69	-8.36%
09/2010	22.69	25.51	22.39	25.51	12.43%
10/2010	25.51	27.90	24.89	27.90	9.37%
11/2010	27.90	28.26	25.04	25.04	-10.25%
12/2010	25.04	26.31	25.04	26.15	4.43%
01/2011	26.15	27.02	25.75	26.21	0.23%
02/2011	26.21	27.71	25.75	26.70	1.87%
03/2011	26.70	27.37	25.77	26.90	0.75%
04/2011	26.90	32.58	26.81	32.08	19.26%
05/2011	32.08	33.63	30.95	32.98	2.81%
06/2011	32.98	33.25	30.69	30.86	-6.43%
07/2011	30.86	32.88	30.86	32.42	5.06%
08/2011	32.42	32.42	27.55	30.22	-6.79%
09/2011	30.22	32.32	29.35	32.32	6.95%
10/2011	32.32	33.48	31.02	31.48	-2.60%
11/2011	31.48	31.63	28.66	30.67	-2.57%
12/2011	30.67	32.53	30.55	32.53	6.06%
01/2012	32.53	32.64	30.46	30.90	-5.01%
02/2012	30.90	31.54	30.34	30.68	0.71%
03/2012	30.68	34.44	29.39	32.30	5.28%
04/2012	32.30	35.35	32.30	34.72	7.49%
05/2012	34.72	39.00	34.72	38.83	11.84%
06/2012	38.83	39.40	36.67	39.27	1.13%
07/2012	39.27	41.38	39.27	41.20	4.91%
08/2012	41.20	41.20	38.30	38.78	-5.87%
09/2012	38.78	44.14	38.78	43.34	11.76%
10/2012	43.34	45.00	42.82	44.90	3.60%
11/2012	44.90	45.79	41.77	43.88	-2.27%
12/2012	43.88	45.03	43.57	43.98	0.23%
01/2013	43.98	44.07	41.96	42.04	-4.41%
02/2013	42.04	44.23	40.65	44.23	5.21%
03/2013	44.23	49.73	44.23	49.73	12.43%
04/2013	49.73	49.76	44.99	44.99	-9.53%
05/2013	44.99	45.86	42.54	42.60	-5.31%
06/2013	42.60	42.60	38.37	41.74	-2.02%
07/2013	41.74	43.60	41.03	43.60	4.46%
08/2013	43.60	48.80	43.60	44.02	0.96%
09/2013	44.02	45.38	42.50	43.26	-1.73%
10/2013	43.26	48.36	43.26	48.30	11.65%
11/2013	48.30	50.37	48.12	49.59	2.67%
12/2013	49.59	53.83	48.44	53.83	8.55%
01/2014	53.83	55.03	51.24	52.14	-3.14%
02/2014	52.14	57.11	52.14	57.11	9.53%
03/2014	57.11	59.08	57.11	57.95	1.47%
04/2014	57.95	60.00	54.75	59.23	2.21%
05/2014	59.23	59.82	56.02	58.60	-1.06%
06/2014	58.60	61.91	56.93	61.91	5.65%
07/2014	61.91	69.57	61.91	69.57	12.37%
08/2014	69.57	74.90	66.62	74.41	6.96%
09/2014	74.41	74.41	68.16	71.79	-3.52%
10/2014	71.79	72.43	60.65	65.39	-8.91%
11/2014	65.39	66.31	60.26	62.16	-4.94%
12/2014	62.16	66.00	62.16	64.42	3.64%
01/2015	64.42	70.20	63.00	69.34	7.64%
02/2015	69.34	69.46	63.62	69.36	0.03%
03/2015	69.36	69.64	66.04	69.44	0.12%
04/2015	69.44	72.06	64.00	64.31	-7.39%
05/2015	64.31	64.31	61.02	63.85	0.72%
06/2015	63.85	67.21	61.97	65.16	2.05%
07/2015	65.16	71.23	65.08	70.74	8.56%
08/2015	70.74	72.81	64.21	66.64	-5.80%
09/2015	66.64	73.11	66.64	69.23	3.89%
10/2015	69.23	76.95	67.15	76.95	11.15%
11/2015	76.95	84.07	76.95	84.07	9.25%
12/2015	84.07	85.15	80.33	85.14	1.27%
01/2016	85.14	85.14	76.00	80.36	-5.61%
02/2016	80.36	80.36	67.16	69.00	-14.14%
03/2016	69.00	72.34	67.46	67.46	-2.23%
04/2016	67.46	72.54	65.58	65.58	-2.79%
05/2016	65.58	68.93	62.85	64.71	-1.33%
06/2016	64.71	68.05	63.80	67.13	3.74%
07/2016	67.13	72.60	66.32	70.19	4.56%
08/2016	70.19	74.49	67.34	73.40	4.57%
09/2016	73.40	74.69	67.95	67.95	-7.43%
10/2016	67.95	68.60	62.38	62.38	-8.20%
11/2016	62.38	64.60	58.14	61.26	-1.80%
12/2016	61.26	61.37	56.23	61.37	0.18%
01/2017	61.37	66.00	60.84	64.19	4.60%
02/2017	64.19	68.38	64.19	67.10	4.53%
03/2017	67.10	72.46	67.10	72.10	7.45%
04/2017	72.10	73.50	70.21	72.42	0.44%
05/2017	72.42	78.00	59.57	62.92	-13.12%
06/2017	62.92	63.49	60.54	60.54	-3.78%
07/2017	60.54	61.07	58.85	60.00	0.89%
08/2017	60.00	61.40	56.90	57.53	-4.12%
09/2017	57.53	60.59	57.21	60.07	4.42%
10/2017	60.07	62.31	59.67	62.14	3.45%
11/2017	62.14	64.70	60.01	64.48	3.77%
12/2017	64.48	66.55	63.27	66.35	2.90%
01/2018	66.35	71.04	66.02	71.00	7.01%
02/2018	71.00	71.00	65.14	67.72	-4.62%
03/2018	67.72	67.72	63.36	66.78	-1.39%
04/2018	66.78	67.58	60.58	61.98	-7.19%
05/2018	61.98	67.46	61.98	67.46	8.84%
06/2018	67.46	67.88	65.80	67.54	0.12%
07/2018	67.54	73.86	66.68	72.94	8.00%
08/2018	72.94	79.40	72.94	79.10	8.45%
09/2018	79.10	80.58	76.52	77.34	-2.23%
10/2018	77.34	79.48	70.04	73.16	-5.40%
11/2018	73.16	77.04	73.16	73.34	0.25%
12/2018	73.34	77.00	71.30	71.30	-2.78%
01/2019	71.30	77.76	70.32	75.84	6.37%
02/2019	75.84	79.22	74.02	74.02	-2.40%
03/2019	74.02	76.76	73.74	76.46	3.30%
04/2019	76.46	78.34	68.98	69.36	-9.29%
05/2019	69.36	70.24	67.60	67.60	-2.54%
06/2019	67.60	72.16	67.60	71.00	5.03%
07/2019	71.00	75.16	69.80	69.80	-1.69%
08/2019	69.80	70.68	66.90	67.32	-3.55%
09/2019	67.32	68.12	64.02	66.94	0.56%
10/2019	66.94	72.58	62.64	72.58	8.43%
11/2019	72.58	74.16	71.14	73.14	0.77%
12/2019	73.14	73.74	71.08	71.84	-1.78%
01/2020	71.84	82.52	71.10	82.04	14.20%
02/2020	82.04	92.44	82.04	83.66	1.97%
03/2020	83.66	90.54	61.32	74.94	-10.42%
04/2020	74.94	89.28	74.94	83.82	11.85%
05/2020	83.82	90.12	80.14	90.12	7.52%
06/2020	90.12	106.90	87.14	102.05	13.24%
07/2020	102.05	113.50	102.05	110.70	8.48%
08/2020	110.70	110.70	98.74	99.54	-10.08%
09/2020	99.54	100.30	95.78	97.14	-2.41%
10/2020	97.14	99.54	86.12	86.12	-11.34%
11/2020	86.12	96.40	84.26	89.96	4.46%
12/2020	89.96	90.10	84.96	86.34	-4.02%
01/2021	86.34	88.62	85.00	86.04	0.35%
02/2021	86.04	88.18	80.00	82.76	-3.81%
03/2021	82.76	83.86	78.04	81.08	-2.03%
04/2021	81.08	83.44	76.28	76.28	-5.92%
05/2021	76.28	79.58	75.60	76.94	0.87%
06/2021	76.94	89.14	75.40	87.56	13.80%
07/2021	87.56	91.26	87.56	91.26	4.23%
08/2021	91.26	99.36	91.26	97.12	6.42%
09/2021	97.12	99.60	90.26	94.80	-2.39%
10/2021	94.80	102.40	94.80	102.40	8.02%
11/2021	102.40	107.25	96.02	96.02	-6.23%
12/2021	96.02	100.90	95.34	100.85	5.03%
01/2022	100.85	100.85	85.86	89.22	-11.53%
02/2022	89.22	94.80	84.68	94.80	6.25%
03/2022	94.80	109.55	94.70	108.70	14.66%
04/2022	108.70	115.40	108.25	110.00	1.20%
05/2022	110.00	110.00	82.28	82.70	-24.82%
06/2022	82.70	83.62	77.82	81.72	-1.19%
07/2022	81.72	86.60	78.14	78.14	-4.38%
08/2022	78.14	78.14	70.48	70.88	-9.29%
09/2022	70.88	71.82	67.00	71.04	0.23%
10/2022	71.04	76.38	70.74	76.02	7.01%
11/2022	76.02	78.72	73.62	76.78	1.00%
12/2022	76.78	77.38	71.18	74.34	-3.18%
01/2023	74.34	80.88	73.44	74.90	0.75%
02/2023	74.90	82.60	73.08	82.36	9.96%
03/2023	82.36	83.42	77.30	83.42	1.29%
04/2023	83.42	87.80	82.22	84.44	1.22%
05/2023	84.44	88.24	79.68	81.22	-3.81%
06/2023	81.22	85.94	78.38	80.00	-1.50%
07/2023	80.00	81.80	77.80	80.00	0.00%
08/2023	80.00	83.14	79.42	82.42	3.03%
09/2023	82.42	83.94	78.02	78.02	-5.34%
10/2023	78.02	80.44	69.32	69.32	-11.15%
11/2023	69.32	69.46	65.68	67.24	-3.00%
12/2023	67.24	79.00	67.24	78.60	16.89%
01/2024	78.60	87.28	78.60	87.28	11.04%
02/2024	87.28	104.90	86.04	104.90	20.19%
03/2024	104.90	115.25	104.90	113.90	8.58%
04/2024	113.90	125.00	113.75	125.00	9.75%
05/2024	125.00	129.15	118.85	126.65	1.32%
06/2024	126.65	139.80	126.65	137.55	8.61%
07/2024	137.55	158.95	137.55	153.20	11.38%
08/2024	153.20	164.45	144.80	163.80	6.92%
09/2024	163.80	168.10	158.75	162.30	0.92%
10/2024	162.30	179.10	162.30	177.50	9.37%
11/2024	177.50	185.20	166.10	181.90	2.48%
12/2024	181.90	191.45	180.15	191.45	5.25%
01/2025	191.45	196.35	182.90	189.10	-1.23%
02/2025	189.10	191.80	178.80	181.70	-3.91%
03/2025	181.70	198.15	162.30	162.30	-10.68%
04/2025	162.30	163.40	135.90	161.30	0.62%
05/2025	161.30	170.20	148.25	155.20	-3.78%
06/2025	155.20	171.10	155.20	170.55	9.89%
07/2025	170.55	197.45	162.55	197.45	15.77%
08/2025	197.45	201.50	181.80	200.10	1.34%
09/2025	200.10	238.90	194.40	238.90	19.39%
10/2025	238.90	260.90	219.60	219.60	-8.08%
11/2025	219.60	238.30	214.80	238.30	8.52%
12/2025	238.30	258.20	234.60	235.00	-1.38%
EOF

set term pdf size 22,13
set term pdf font "sans,20"
set output "UCB_stock_price.pdf"
set grid
set key top left
set xdata time
set timefmt "%m/%Y"
set format x "%b %Y"
set xtics rotate by -90 
set xtics 365.25*24*60*60/1	# 1 tics per year

wd = 15.25*24*60*60	# 15.25 days box width
set style fill transparent solid 0.8
plot $data using 1:(($3+$4)/2):(wd):(($4-$3)/2) with boxxyerror lw 1 lc 3 title "UCB [BE0003739530] "