$data <<EOF
10/1998	194.26	275.30	194.26	264.39	36.10%
11/1998	264.39	280.50	264.39	268.96	1.73%
12/1998	268.96	339.60	263.54	328.34	22.08%
01/1999	328.34	357.11	315.99	353.68	7.72%
02/1999	353.68	370.10	299.31	331.73	-6.21%
03/1999	331.73	357.51	313.20	333.12	0.42%
04/1999	333.12	350.60	288.07	320.20	-3.88%
05/1999	320.20	323.60	294.90	320.09	0.04%
06/1999	320.09	338.73	318.16	336.09	5.00%
07/1999	336.09	342.01	301.95	307.20	-8.60%
08/1999	307.20	313.67	287.47	287.47	-6.42%
09/1999	287.47	287.60	259.56	269.70	-6.18%
10/1999	269.70	282.97	264.76	267.10	0.96%
11/1999	267.10	315.33	265.10	310.48	16.24%
12/1999	310.48	370.73	308.46	369.62	19.05%
01/2000	369.62	371.39	334.71	335.55	-9.22%
02/2000	335.55	350.40	308.94	311.90	-7.05%
03/2000	311.90	420.78	311.90	369.27	18.39%
04/2000	369.27	369.27	338.61	355.38	-3.76%
05/2000	355.38	367.96	324.37	347.42	-2.24%
06/2000	347.42	364.91	333.84	333.84	-3.91%
07/2000	333.84	349.66	328.17	331.11	0.82%
08/2000	331.11	336.58	293.65	293.66	-11.31%
09/2000	293.66	308.56	255.70	255.70	-12.93%
10/2000	255.70	281.17	226.72	275.82	7.87%
11/2000	275.82	282.64	242.08	252.95	-8.29%
12/2000	252.95	275.87	251.85	255.16	0.88%
01/2001	255.16	278.18	249.46	271.98	6.59%
02/2001	271.98	271.98	232.63	233.17	-14.27%
03/2001	233.17	251.55	218.00	235.42	0.96%
04/2001	235.42	270.08	229.15	270.08	14.72%
05/2001	270.08	271.19	256.33	264.96	-1.90%
06/2001	264.96	271.57	254.48	259.08	-2.22%
07/2001	259.08	292.64	259.08	289.42	11.71%
08/2001	289.42	295.81	280.05	290.96	0.53%
09/2001	290.96	308.84	269.28	290.33	0.22%
10/2001	290.33	299.91	284.38	289.02	0.45%
11/2001	289.02	289.81	269.63	284.79	-1.46%
12/2001	284.79	293.42	278.54	291.68	2.42%
01/2002	291.68	315.20	290.71	314.20	7.72%
02/2002	314.20	325.72	308.13	321.38	2.29%
03/2002	321.38	330.40	316.67	330.40	2.81%
04/2002	330.40	331.53	310.70	316.04	-4.35%
05/2002	316.04	317.34	292.69	292.69	-7.39%
06/2002	292.69	292.69	273.53	281.13	-3.95%
07/2002	281.13	295.03	271.30	283.43	0.82%
08/2002	283.43	286.36	263.29	263.43	-7.06%
09/2002	263.43	275.21	246.35	273.60	3.86%
10/2002	273.60	300.85	273.60	292.10	6.76%
11/2002	292.10	301.20	279.38	284.48	-2.61%
12/2002	284.48	284.48	267.68	268.54	-5.60%
01/2003	268.54	286.22	264.41	278.32	3.64%
02/2003	278.32	278.32	266.46	268.24	-3.62%
03/2003	268.24	281.30	258.49	274.10	2.18%
04/2003	274.10	286.45	266.61	269.64	-1.63%
05/2003	269.64	277.03	248.65	248.65	-7.78%
06/2003	248.65	255.77	240.78	240.78	-3.17%
07/2003	240.78	248.10	235.61	239.86	0.38%
08/2003	239.86	247.46	233.69	247.46	3.17%
09/2003	247.46	257.39	242.74	248.71	0.50%
10/2003	248.71	255.25	245.97	248.64	0.03%
11/2003	248.64	250.59	243.18	249.07	0.18%
12/2003	249.07	261.03	248.87	259.84	4.32%
01/2004	259.84	270.36	255.74	268.70	3.41%
02/2004	268.70	269.09	264.82	265.99	-1.01%
03/2004	265.99	269.22	259.72	265.48	0.19%
04/2004	265.48	271.58	257.28	257.28	-3.09%
05/2004	257.28	259.27	248.19	252.95	-1.68%
06/2004	252.95	270.05	252.88	269.95	6.72%
07/2004	269.95	270.99	267.55	268.32	0.60%
08/2004	268.32	271.26	263.68	269.79	0.55%
09/2004	269.79	277.37	269.79	277.37	2.81%
10/2004	277.37	283.05	276.16	280.33	1.07%
11/2004	280.33	293.84	279.79	293.84	4.82%
12/2004	293.84	294.05	286.56	287.97	-2.00%
01/2005	287.97	290.98	287.72	288.25	0.10%
02/2005	288.25	300.85	284.19	295.07	2.37%
03/2005	295.07	295.71	281.24	281.24	-4.69%
04/2005	281.24	282.22	266.01	266.01	-5.42%
05/2005	266.01	270.64	263.87	270.14	1.55%
06/2005	270.14	271.35	265.17	267.77	0.88%
07/2005	267.77	273.64	265.31	270.81	1.14%
08/2005	270.81	273.14	266.72	270.88	0.03%
09/2005	270.88	275.00	268.24	270.37	0.19%
10/2005	270.37	272.72	266.42	272.72	0.87%
11/2005	272.72	273.90	261.08	263.92	-3.23%
12/2005	263.92	268.35	261.74	265.05	0.43%
01/2006	265.05	267.99	250.65	250.83	-5.36%
02/2006	250.83	257.11	249.60	250.47	0.14%
03/2006	250.47	270.57	250.31	265.41	5.97%
04/2006	265.41	273.01	262.39	262.39	-1.14%
05/2006	262.39	265.70	249.57	249.57	-4.88%
06/2006	249.57	258.17	249.57	255.29	2.29%
07/2006	255.29	259.80	250.76	256.70	0.55%
08/2006	256.70	265.23	251.87	261.53	1.88%
09/2006	261.53	262.65	257.06	262.05	0.20%
10/2006	262.05	275.00	261.63	273.70	4.45%
11/2006	273.70	282.77	273.70	276.46	1.01%
12/2006	276.46	288.86	275.89	286.56	3.65%
01/2007	286.56	298.74	286.26	286.48	0.03%
02/2007	286.48	292.70	283.91	283.91	0.90%
03/2007	283.91	283.91	267.15	270.29	-4.80%
04/2007	270.29	273.19	258.24	258.97	-4.19%
05/2007	258.97	264.13	254.54	261.52	0.99%
06/2007	261.52	262.29	251.86	252.98	-3.27%
07/2007	252.98	263.19	245.99	249.80	-1.26%
08/2007	249.80	260.56	249.44	257.71	3.17%
09/2007	257.71	267.31	253.69	266.50	3.41%
10/2007	266.50	266.50	246.98	255.40	-4.17%
11/2007	255.40	259.47	247.68	259.47	1.60%
12/2007	259.47	269.44	259.47	267.04	2.92%
01/2008	267.04	268.48	248.07	266.87	0.06%
02/2008	266.87	267.42	251.33	251.33	-5.82%
03/2008	251.33	251.33	209.06	217.10	-13.62%
04/2008	217.10	234.79	216.81	228.17	5.10%
05/2008	228.17	231.10	220.57	224.20	-1.74%
06/2008	224.20	225.51	210.72	212.33	-5.29%
07/2008	212.33	212.33	194.58	207.32	-2.36%
08/2008	207.32	222.38	205.61	218.76	5.52%
09/2008	218.76	228.11	210.49	210.49	-3.78%
10/2008	210.49	246.71	197.51	238.33	13.23%
11/2008	238.33	244.52	217.22	225.30	-5.47%
12/2008	225.30	230.33	213.79	229.46	1.85%
01/2009	229.46	246.14	227.50	245.90	7.16%
02/2009	245.90	248.55	234.59	237.90	-3.25%
03/2009	237.90	237.90	206.11	211.80	-10.97%
04/2009	211.80	213.46	196.03	198.11	-6.46%
05/2009	198.11	212.54	194.79	208.85	5.42%
06/2009	208.85	219.89	207.41	218.62	4.68%
07/2009	218.62	230.94	218.40	229.87	5.15%
08/2009	229.87	243.39	226.95	241.33	4.98%
09/2009	241.33	253.83	239.64	244.44	1.29%
10/2009	244.44	250.02	241.46	245.67	0.51%
11/2009	245.67	259.85	244.24	259.02	5.43%
12/2009	259.02	266.74	258.02	266.74	2.98%
01/2010	266.74	268.60	262.45	264.62	0.80%
02/2010	264.62	266.32	250.58	252.10	-4.73%
03/2010	252.10	270.17	251.56	270.17	7.17%
04/2010	270.17	276.89	255.21	255.21	-5.54%
05/2010	255.21	269.11	251.52	259.79	1.80%
06/2010	259.79	280.21	259.79	277.76	6.92%
07/2010	277.76	293.83	272.85	286.13	3.01%
08/2010	286.13	306.33	279.78	306.33	7.06%
09/2010	306.33	309.25	296.47	297.13	-3.00%
10/2010	297.13	300.73	292.50	300.73	1.21%
11/2010	300.73	315.90	298.05	315.24	4.83%
12/2010	315.24	334.21	313.60	328.78	4.29%
01/2011	328.78	332.61	318.00	323.31	-1.66%
02/2011	323.31	331.49	315.61	319.54	-1.17%
03/2011	319.54	320.63	306.46	315.41	-1.29%
04/2011	315.41	321.18	305.11	308.04	-2.34%
05/2011	308.04	321.29	308.04	320.02	3.89%
06/2011	320.02	321.50	314.69	315.79	-1.32%
07/2011	315.79	335.06	312.13	335.06	6.10%
08/2011	335.06	343.47	298.26	311.51	-7.03%
09/2011	311.51	319.85	291.05	304.27	-2.33%
10/2011	304.27	304.69	292.04	292.04	-4.02%
11/2011	292.04	292.04	267.50	280.77	-3.86%
12/2011	280.77	293.20	275.23	293.20	4.43%
01/2012	293.20	305.09	289.52	301.78	2.93%
02/2012	301.78	311.02	298.82	299.07	0.90%
03/2012	299.07	303.17	291.89	303.17	1.37%
04/2012	303.17	306.68	279.83	281.44	-7.17%
05/2012	281.44	301.63	281.35	293.63	4.33%
06/2012	293.63	317.45	287.74	317.36	8.08%
07/2012	317.36	327.60	314.47	325.82	2.66%
08/2012	325.82	330.38	319.30	319.30	-2.00%
09/2012	319.30	323.59	312.65	312.65	-2.08%
10/2012	312.65	320.94	312.65	320.64	2.56%
11/2012	320.64	324.92	308.11	323.84	1.00%
12/2012	323.84	330.36	322.55	326.31	0.76%
01/2013	326.31	338.91	320.81	326.47	0.05%
02/2013	326.47	349.50	326.05	349.50	7.05%
03/2013	349.50	361.21	346.59	361.21	3.35%
04/2013	361.21	362.81	339.78	357.49	-1.03%
05/2013	357.49	357.64	329.02	329.02	-7.96%
06/2013	329.02	336.29	318.83	336.29	2.21%
07/2013	336.29	340.65	329.86	335.14	0.34%
08/2013	335.14	350.11	334.61	342.93	2.32%
09/2013	342.93	359.15	342.93	355.05	3.54%
10/2013	355.05	377.61	349.14	376.18	5.95%
11/2013	376.18	384.72	373.61	376.48	0.08%
12/2013	376.48	386.19	366.95	384.24	2.06%
01/2014	384.24	408.35	382.30	408.35	6.27%
02/2014	408.35	428.40	402.22	428.27	4.88%
03/2014	428.27	446.02	420.93	446.02	4.14%
04/2014	446.02	446.02	423.44	438.24	-1.74%
05/2014	438.24	447.33	430.87	437.35	0.20%
06/2014	437.35	439.72	424.59	424.59	-2.92%
07/2014	424.59	430.53	415.05	415.05	-2.25%
08/2014	415.05	442.96	409.54	441.82	6.45%
09/2014	441.82	449.47	438.04	449.47	1.73%
10/2014	449.47	469.79	420.52	469.79	4.52%
11/2014	469.79	488.28	454.57	488.28	3.94%
12/2014	488.28	488.28	433.10	434.56	-11.00%
01/2015	434.56	535.01	417.53	519.66	19.58%
02/2015	519.66	519.66	493.45	513.95	-1.10%
03/2015	513.95	551.43	509.00	541.17	5.30%
04/2015	541.17	552.47	526.65	530.53	-1.97%
05/2015	530.53	538.21	520.21	526.45	0.77%
06/2015	526.45	526.45	497.48	503.23	-4.41%
07/2015	503.23	534.53	498.03	529.24	5.17%
08/2015	529.24	536.19	459.25	482.17	-8.89%
09/2015	482.17	482.17	434.31	445.78	-7.55%
10/2015	445.78	475.33	439.17	468.33	5.06%
11/2015	468.33	481.96	466.18	467.00	0.28%
12/2015	467.00	468.58	435.49	462.55	0.95%
01/2016	462.55	462.55	424.05	457.75	-1.04%
02/2016	457.75	457.75	415.06	452.02	-1.25%
03/2016	452.02	479.27	452.02	478.81	5.93%
04/2016	478.81	481.24	443.13	443.13	-7.45%
05/2016	443.13	448.57	416.76	427.91	-3.44%
06/2016	427.91	446.00	412.96	446.00	4.23%
07/2016	446.00	446.00	430.71	441.46	-1.02%
08/2016	441.46	448.32	428.43	429.42	-2.73%
09/2016	429.42	438.73	423.18	423.82	-1.30%
10/2016	423.82	423.82	410.98	417.61	-1.46%
11/2016	417.61	417.61	402.08	402.08	-3.72%
12/2016	402.08	425.63	399.20	425.47	5.82%
01/2017	425.47	435.96	406.56	407.98	-4.11%
02/2017	407.98	425.65	402.49	415.55	1.86%
03/2017	415.55	431.67	413.56	431.67	3.88%
04/2017	431.67	431.82	400.38	400.38	-7.25%
05/2017	400.38	427.05	399.96	426.84	6.61%
06/2017	426.84	431.72	419.97	423.62	0.76%
07/2017	423.62	428.38	414.71	415.53	-1.91%
08/2017	415.53	425.68	414.50	423.28	1.87%
09/2017	423.28	433.81	417.25	433.81	2.49%
10/2017	433.81	435.42	421.73	434.04	0.05%
11/2017	434.04	443.26	431.49	443.26	2.12%
12/2017	443.26	450.10	440.59	443.13	0.03%
01/2018	443.13	452.54	438.63	439.00	0.93%
02/2018	439.00	448.27	423.68	444.19	1.18%
03/2018	444.19	444.19	392.94	402.15	-9.46%
04/2018	402.15	402.88	380.20	398.81	0.83%
05/2018	398.81	399.49	381.36	383.07	-3.95%
06/2018	383.07	388.61	377.89	382.27	0.21%
07/2018	382.27	404.89	381.19	401.69	5.08%
08/2018	401.69	408.39	384.28	384.72	-4.23%
09/2018	384.72	397.06	381.98	392.59	2.05%
10/2018	392.59	404.83	375.14	404.83	3.12%
11/2018	404.83	423.55	397.32	423.55	4.62%
12/2018	423.55	426.73	405.41	416.82	-1.59%
01/2019	416.82	431.88	416.82	418.13	0.32%
02/2019	418.13	418.13	391.42	407.38	-2.57%
03/2019	407.38	435.51	405.26	435.51	6.91%
04/2019	435.51	441.87	408.03	415.69	-4.55%
05/2019	415.69	434.30	411.63	427.88	2.93%
06/2019	427.88	446.13	427.88	441.39	3.16%
07/2019	441.39	444.17	432.40	437.74	0.83%
08/2019	437.74	453.46	434.86	453.46	3.59%
09/2019	453.46	456.88	441.86	452.85	0.13%
10/2019	452.85	465.99	448.75	457.83	1.10%
11/2019	457.83	473.64	457.83	469.75	2.60%
12/2019	469.75	478.08	462.47	471.56	0.39%
01/2020	471.56	501.23	471.56	495.50	5.08%
02/2020	495.50	542.32	483.07	483.07	-2.51%
03/2020	483.07	523.89	441.28	490.01	1.44%
04/2020	490.01	517.09	474.68	474.68	-3.13%
05/2020	474.68	480.60	457.11	467.70	-1.47%
06/2020	467.70	473.14	452.83	465.96	0.37%
07/2020	465.96	467.54	451.58	451.58	-3.09%
08/2020	451.58	482.88	444.77	464.28	2.81%
09/2020	464.28	472.16	453.54	453.54	-2.31%
10/2020	453.54	466.29	433.00	436.78	-3.70%
11/2020	436.78	449.34	436.78	443.23	1.48%
12/2020	443.23	445.23	431.14	441.13	0.48%
01/2021	441.13	470.25	435.57	449.15	1.82%
02/2021	449.15	449.29	415.42	415.42	-7.51%
03/2021	415.42	460.15	415.42	458.36	10.33%
04/2021	458.36	462.08	428.87	451.14	-1.58%
05/2021	451.14	465.83	451.14	460.19	2.01%
06/2021	460.19	487.02	460.19	481.85	4.71%
07/2021	481.85	507.10	481.43	507.10	5.24%
08/2021	507.10	515.14	496.96	496.96	-2.00%
09/2021	496.96	497.07	484.79	497.07	0.02%
10/2021	497.07	520.37	471.32	471.32	-5.18%
11/2021	471.32	504.05	470.66	489.98	3.96%
12/2021	489.98	498.91	484.37	496.65	1.36%
01/2022	496.65	512.07	491.07	506.07	1.90%
02/2022	506.07	534.32	506.07	534.32	5.58%
03/2022	534.32	554.83	531.36	542.04	1.45%
04/2022	542.04	567.15	526.34	563.30	3.92%
05/2022	563.30	566.15	546.84	552.02	-2.00%
06/2022	552.02	552.78	508.79	526.97	-4.54%
07/2022	526.97	538.75	522.21	529.10	0.40%
08/2022	529.10	535.83	515.39	515.83	-2.51%
09/2022	515.83	518.69	480.68	480.68	-6.81%
10/2022	480.68	499.77	456.75	499.77	3.97%
11/2022	499.77	518.03	493.42	518.03	3.65%
12/2022	518.03	524.76	504.62	513.05	0.96%
01/2023	513.05	541.98	513.05	541.22	5.49%
02/2023	541.22	592.15	539.31	583.94	7.89%
03/2023	583.94	597.50	575.00	587.59	0.62%
04/2023	587.59	623.85	587.59	623.85	6.17%
05/2023	623.85	631.43	590.41	591.83	-5.13%
06/2023	591.83	591.83	559.46	571.48	-3.44%
07/2023	571.48	589.63	559.09	586.38	2.61%
08/2023	586.38	586.38	547.68	561.24	-4.29%
09/2023	561.24	577.65	555.74	561.90	0.12%
10/2023	561.90	575.29	556.16	565.55	0.65%
11/2023	565.55	573.14	524.45	537.99	-4.87%
12/2023	537.99	544.22	534.57	544.22	1.16%
01/2024	544.22	556.70	536.98	553.97	1.79%
02/2024	553.97	553.97	527.13	530.38	-4.26%
03/2024	530.38	566.84	523.75	566.84	6.87%
04/2024	566.84	567.16	513.45	513.45	-9.42%
05/2024	513.45	516.80	495.06	508.70	0.92%
06/2024	508.70	528.16	508.70	524.86	3.18%
07/2024	524.86	564.82	521.47	564.82	7.61%
08/2024	564.82	574.09	551.30	571.24	1.14%
09/2024	571.24	588.17	571.24	586.85	2.73%
10/2024	586.85	602.61	560.31	560.31	-4.52%
11/2024	560.31	568.36	541.73	546.48	-2.47%
12/2024	546.48	550.89	534.48	537.61	-1.62%
01/2025	537.61	549.43	531.81	544.00	1.19%
02/2025	544.00	560.21	525.05	547.23	0.59%
03/2025	547.23	560.82	533.13	533.13	-2.58%
04/2025	533.13	588.79	533.13	588.79	10.44%
05/2025	588.79	615.50	565.50	605.00	2.75%
06/2025	605.00	614.50	589.50	605.00	0.00%
07/2025	605.00	617.00	594.50	607.50	0.41%
08/2025	607.50	634.50	595.00	613.00	0.91%
09/2025	613.00	635.50	607.50	614.00	0.16%
10/2025	614.00	643.00	614.00	636.50	3.66%
11/2025	636.50	649.00	613.00	623.50	-2.04%
12/2025	623.50	623.50	590.00	616.50	-1.12%
EOF

set term pdf size 22,13
set term pdf font "sans,20"
set output "Swisscom_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 "Swisscom [CH0008742519] "