Back to list of Stocks    See Also: Seasonal Analysis of DCIXGenetic Algorithms Stock Portfolio Generator, and Best Months to Buy/Sell Stocks

Fourier Analysis of DCIX (Diana Containerships Inc)


DCIX (Diana Containerships Inc) appears to have interesting cyclic behaviour every 36 weeks (2282.152*sine), 32 weeks (1963.202*sine), and 19 weeks (989.2083*cosine).

DCIX (Diana Containerships Inc) has an average price of 20,201.68 (topmost row, frequency = 0).



Click on the checkboxes shown on the right to see how the various frequencies contribute to the graph. Look for large magnitude coefficients (sine or cosine), as these are associated with frequencies which contribute most to the associated stock plot. If you find a large magnitude coefficient which dramatically changes the graph, look at the associated "Period" in weeks, as you may have found a significant recurring cycle for the stock of interest.

Right click on the graph above to see the menu of operations (download, full screen, etc.)

Fourier Analysis

Using data from 1/3/2011 to 10/16/2017 for DCIX (Diana Containerships Inc), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
020,201.68   0 
1-699.8082 14,879.65 (1*2π)/355355 weeks
22,171.69 4,920.92 (2*2π)/355178 weeks
33,896.408 3,402.336 (3*2π)/355118 weeks
42,585.239 3,693.78 (4*2π)/35589 weeks
52,222.954 5,591.432 (5*2π)/35571 weeks
62,579.311 3,553.249 (6*2π)/35559 weeks
7174.3541 5,120.56 (7*2π)/35551 weeks
8-477.8165 3,224.186 (8*2π)/35544 weeks
9195.3572 2,540.735 (9*2π)/35539 weeks
10-161.0584 2,282.152 (10*2π)/35536 weeks
11-271.4827 1,963.202 (11*2π)/35532 weeks
12-849.8296 1,294.697 (12*2π)/35530 weeks
13152.2565 1,093.082 (13*2π)/35527 weeks
14316.0685 1,072.329 (14*2π)/35525 weeks
15-48.35178 1,415.981 (15*2π)/35524 weeks
16-584.5583 594.7562 (16*2π)/35522 weeks
17538.1663 732.7552 (17*2π)/35521 weeks
18219.1018 388.0166 (18*2π)/35520 weeks
19989.2083 532.1936 (19*2π)/35519 weeks
20704.3806 1,105.431 (20*2π)/35518 weeks
21128.9904 1,288.184 (21*2π)/35517 weeks
22237.8791 388.946 (22*2π)/35516 weeks
23725.9639 726.5432 (23*2π)/35515 weeks
24590.9748 712.5685 (24*2π)/35515 weeks
25428.6705 860.6041 (25*2π)/35514 weeks
26608.1737 879.675 (26*2π)/35514 weeks
27304.0211 1,333.777 (27*2π)/35513 weeks
2894.92663 901.7162 (28*2π)/35513 weeks
29226.1211 890.9331 (29*2π)/35512 weeks
30-128.8302 918.2851 (30*2π)/35512 weeks
3195.21456 509.162 (31*2π)/35511 weeks
32118.3965 565.4401 (32*2π)/35511 weeks
3362.4038 565.8439 (33*2π)/35511 weeks
34137.7007 515.8082 (34*2π)/35510 weeks
3585.10821 322.8859 (35*2π)/35510 weeks
36133.8002 397.6534 (36*2π)/35510 weeks
37402.4395 449.4622 (37*2π)/35510 weeks
38238.0928 292.6212 (38*2π)/3559 weeks
39314.3862 304.5142 (39*2π)/3559 weeks
40389.032 454.4734 (40*2π)/3559 weeks
41470.0995 604.8042 (41*2π)/3559 weeks
42206.7139 652.1971 (42*2π)/3558 weeks
43336.9699 524.7234 (43*2π)/3558 weeks
44-40.45315 519.9587 (44*2π)/3558 weeks
45335.1266 327.774 (45*2π)/3558 weeks
46154.1884 459.4198 (46*2π)/3558 weeks
47137.3422 257.4256 (47*2π)/3558 weeks
48136.3599 420.7686 (48*2π)/3557 weeks
49115.4331 240.0782 (49*2π)/3557 weeks
50301.4435 189.1335 (50*2π)/3557 weeks
51511.4462 388.0578 (51*2π)/3557 weeks
52327.1039 379.616 (52*2π)/3557 weeks
53204.635 356.5575 (53*2π)/3557 weeks
54401.7584 461.6826 (54*2π)/3557 weeks
55219.968 395.6848 (55*2π)/3556 weeks
56148.7395 435.1436 (56*2π)/3556 weeks
57269.2703 441.0927 (57*2π)/3556 weeks
58-10.17481 424.3002 (58*2π)/3556 weeks
59262.0724 164.3228 (59*2π)/3556 weeks
60277.4369 229.1201 (60*2π)/3556 weeks
61193.3764 361.8432 (61*2π)/3556 weeks
62106.4732 395.7604 (62*2π)/3556 weeks
6364.72369 231.8037 (63*2π)/3556 weeks
64298.494 180.0092 (64*2π)/3556 weeks
65137.1528 274.0581 (65*2π)/3555 weeks
66207.8145 148.3826 (66*2π)/3555 weeks
67325.4842 141.4724 (67*2π)/3555 weeks
68356.4667 255.2392 (68*2π)/3555 weeks
69178.8258 226.9587 (69*2π)/3555 weeks
70205.7608 253.6658 (70*2π)/3555 weeks
71275.4186 191.8965 (71*2π)/3555 weeks
72398.5876 261.6151 (72*2π)/3555 weeks
73304.1104 321.02 (73*2π)/3555 weeks
74196.4245 433.9369 (74*2π)/3555 weeks
75123.3462 44.28737 (75*2π)/3555 weeks
76296.9063 244.863 (76*2π)/3555 weeks
77258.3927 312.6967 (77*2π)/3555 weeks
78239.7388 340.1943 (78*2π)/3555 weeks
79157.8652 255.4707 (79*2π)/3554 weeks
80184.6469 186.5451 (80*2π)/3554 weeks
81153.8805 240.821 (81*2π)/3554 weeks
82238.307 77.90855 (82*2π)/3554 weeks
83197.4301 225.944 (83*2π)/3554 weeks
8486.67509 65.24848 (84*2π)/3554 weeks
85239.1322 -18.70968 (85*2π)/3554 weeks
86585.1898 209.2182 (86*2π)/3554 weeks
87354.2095 379.0045 (87*2π)/3554 weeks
88268.1325 215.587 (88*2π)/3554 weeks
89299.4867 253.6684 (89*2π)/3554 weeks
90267.7904 299.2466 (90*2π)/3554 weeks
91192.7428 236.4852 (91*2π)/3554 weeks
92228.688 390.9094 (92*2π)/3554 weeks
9396.13261 264.2639 (93*2π)/3554 weeks
94110.2219 238.7312 (94*2π)/3554 weeks
95133.185 238.7259 (95*2π)/3554 weeks
96134.9114 122.9783 (96*2π)/3554 weeks
97197.7587 100.8766 (97*2π)/3554 weeks
98256.8875 114.7054 (98*2π)/3554 weeks
9979.13479 226.0805 (99*2π)/3554 weeks
100215.4026 149.3634 (100*2π)/3554 weeks
101204.6546 75.18526 (101*2π)/3554 weeks
102230.4307 193.7985 (102*2π)/3553 weeks
103206.5472 164.3646 (103*2π)/3553 weeks
104183.4865 75.02036 (104*2π)/3553 weeks
105282.8466 165.5067 (105*2π)/3553 weeks
106181.4547 164.4566 (106*2π)/3553 weeks
107174.5818 111.8843 (107*2π)/3553 weeks
108301.6158 169.0642 (108*2π)/3553 weeks
109197.2299 294.2298 (109*2π)/3553 weeks
110139.0381 113.4621 (110*2π)/3553 weeks
111125.1769 37.84944 (111*2π)/3553 weeks
112301.3906 155.6376 (112*2π)/3553 weeks
113149.6262 169.3095 (113*2π)/3553 weeks
114170.6447 125.6256 (114*2π)/3553 weeks
115175.0198 141.3938 (115*2π)/3553 weeks
116103.23 103.4539 (116*2π)/3553 weeks
117231.4841 62.35809 (117*2π)/3553 weeks
118186.2217 55.7355 (118*2π)/3553 weeks
119264.7672 105.7613 (119*2π)/3553 weeks
120196.4205 82.56403 (120*2π)/3553 weeks
121157.1131 48.47531 (121*2π)/3553 weeks
122322.5157 65.50341 (122*2π)/3553 weeks
123319.347 165.3754 (123*2π)/3553 weeks
124213.7675 161.8996 (124*2π)/3553 weeks
125190.6721 74.10556 (125*2π)/3553 weeks
126287.5572 122.2011 (126*2π)/3553 weeks
127213.7636 176.3505 (127*2π)/3553 weeks
128219.49 179.6926 (128*2π)/3553 weeks
129144.3772 185.7061 (129*2π)/3553 weeks
130149.7411 111.3789 (130*2π)/3553 weeks
131165.8122 150.4686 (131*2π)/3553 weeks
132134.0363 32.75574 (132*2π)/3553 weeks
133251.8744 95.57719 (133*2π)/3553 weeks
134133.043 69.58311 (134*2π)/3553 weeks
135175.7599 49.89219 (135*2π)/3553 weeks
136243.6698 132.7989 (136*2π)/3553 weeks
137139.5932 124.1117 (137*2π)/3553 weeks
138190.9685 76.19266 (138*2π)/3553 weeks
139170.3373 87.45074 (139*2π)/3553 weeks
140136.5768 74.54163 (140*2π)/3553 weeks
141129.5025 104.8159 (141*2π)/3553 weeks
142205.8506 -14.64834 (142*2π)/3553 weeks
143166.2854 13.8282 (143*2π)/3552 weeks
144201.9559 72.0155 (144*2π)/3552 weeks
145257.6792 85.59172 (145*2π)/3552 weeks
146109.562 -1.93329 (146*2π)/3552 weeks
147242.384 -37.38669 (147*2π)/3552 weeks
148276.3878 52.14517 (148*2π)/3552 weeks
149167.4813 146.6292 (149*2π)/3552 weeks
150227.5005 76.30434 (150*2π)/3552 weeks
151193.2831 62.16631 (151*2π)/3552 weeks
152198.9408 12.40118 (152*2π)/3552 weeks
153241.6418 88.78021 (153*2π)/3552 weeks
154135.9131 83.76592 (154*2π)/3552 weeks
155220.9564 57.27326 (155*2π)/3552 weeks
156142.232 30.47385 (156*2π)/3552 weeks
157181.6461 14.87724 (157*2π)/3552 weeks
158215.5506 97.53579 (158*2π)/3552 weeks
159240.716 27.18961 (159*2π)/3552 weeks
160187.116 50.6067 (160*2π)/3552 weeks
161191.5617 40.5228 (161*2π)/3552 weeks
162184.7485 57.52435 (162*2π)/3552 weeks
163158.5211 101.2389 (163*2π)/3552 weeks
164172.744 73.85903 (164*2π)/3552 weeks
165100.8644 18.13497 (165*2π)/3552 weeks
166143.5241 64.45783 (166*2π)/3552 weeks
167207.7422 -39.0466 (167*2π)/3552 weeks
168184.7656 17.04541 (168*2π)/3552 weeks
169176.8176 -6.96846 (169*2π)/3552 weeks
170152.9355 -33.00776 (170*2π)/3552 weeks
171238.5123 -19.70639 (171*2π)/3552 weeks
172164.7854 98.66013 (172*2π)/3552 weeks
173178.8269 7.61035 (173*2π)/3552 weeks
174237.8588 14.15432 (174*2π)/3552 weeks
175102.36 72.77614 (175*2π)/3552 weeks
176163.8557 -19.4622 (176*2π)/3552 weeks
177184.4122 -55.88916 (177*2π)/3552 weeks
178184.4122 55.88916 (178*2π)/3552 weeks
179163.8557 19.4622 (179*2π)/3552 weeks
180102.36 -72.77614 (180*2π)/3552 weeks
181237.8588 -14.15432 (181*2π)/3552 weeks
182178.8269 -7.61035 (182*2π)/3552 weeks
183164.7854 -98.66013 (183*2π)/3552 weeks
184238.5123 19.70639 (184*2π)/3552 weeks
185152.9355 33.00776 (185*2π)/3552 weeks
186176.8176 6.96846 (186*2π)/3552 weeks
187184.7656 -17.04541 (187*2π)/3552 weeks
188207.7422 39.0466 (188*2π)/3552 weeks
189143.5241 -64.45783 (189*2π)/3552 weeks
190100.8644 -18.13497 (190*2π)/3552 weeks
191172.744 -73.85903 (191*2π)/3552 weeks
192158.5211 -101.2389 (192*2π)/3552 weeks
193184.7485 -57.52435 (193*2π)/3552 weeks
194191.5617 -40.5228 (194*2π)/3552 weeks
195187.116 -50.6067 (195*2π)/3552 weeks
196240.716 -27.18961 (196*2π)/3552 weeks
197215.5506 -97.53579 (197*2π)/3552 weeks
198181.6461 -14.87724 (198*2π)/3552 weeks
199142.232 -30.47385 (199*2π)/3552 weeks
200220.9564 -57.27326 (200*2π)/3552 weeks
201135.9131 -83.76592 (201*2π)/3552 weeks
202241.6418 -88.78021 (202*2π)/3552 weeks
203198.9408 -12.40118 (203*2π)/3552 weeks
204193.2831 -62.16631 (204*2π)/3552 weeks
205227.5005 -76.30434 (205*2π)/3552 weeks
206167.4813 -146.6292 (206*2π)/3552 weeks
207276.3878 -52.14517 (207*2π)/3552 weeks
208242.384 37.38669 (208*2π)/3552 weeks
209109.562 1.93329 (209*2π)/3552 weeks
210257.6792 -85.59172 (210*2π)/3552 weeks
211201.9559 -72.0155 (211*2π)/3552 weeks
212166.2854 -13.8282 (212*2π)/3552 weeks
213205.8506 14.64834 (213*2π)/3552 weeks
214129.5025 -104.8159 (214*2π)/3552 weeks
215136.5768 -74.54163 (215*2π)/3552 weeks
216170.3373 -87.45074 (216*2π)/3552 weeks
217190.9685 -76.19266 (217*2π)/3552 weeks
218139.5932 -124.1117 (218*2π)/3552 weeks
219243.6698 -132.7989 (219*2π)/3552 weeks
220175.7599 -49.89219 (220*2π)/3552 weeks
221133.043 -69.58311 (221*2π)/3552 weeks
222251.8744 -95.57719 (222*2π)/3552 weeks
223134.0363 -32.75574 (223*2π)/3552 weeks
224165.8122 -150.4686 (224*2π)/3552 weeks
225149.7411 -111.3789 (225*2π)/3552 weeks
226144.3772 -185.7061 (226*2π)/3552 weeks
227219.49 -179.6926 (227*2π)/3552 weeks
228213.7636 -176.3505 (228*2π)/3552 weeks
229287.5572 -122.2011 (229*2π)/3552 weeks
230190.6721 -74.10556 (230*2π)/3552 weeks
231213.7675 -161.8996 (231*2π)/3552 weeks
232319.347 -165.3754 (232*2π)/3552 weeks
233322.5157 -65.50341 (233*2π)/3552 weeks
234157.1131 -48.47531 (234*2π)/3552 weeks
235196.4205 -82.56403 (235*2π)/3552 weeks
236264.7672 -105.7613 (236*2π)/3552 weeks
237186.2217 -55.7355 (237*2π)/3551 weeks
238231.4841 -62.35809 (238*2π)/3551 weeks
239103.23 -103.4539 (239*2π)/3551 weeks
240175.0198 -141.3938 (240*2π)/3551 weeks
241170.6447 -125.6256 (241*2π)/3551 weeks
242149.6262 -169.3095 (242*2π)/3551 weeks
243301.3906 -155.6376 (243*2π)/3551 weeks
244125.1769 -37.84944 (244*2π)/3551 weeks
245139.0381 -113.4621 (245*2π)/3551 weeks
246197.2299 -294.2298 (246*2π)/3551 weeks
247301.6158 -169.0642 (247*2π)/3551 weeks
248174.5818 -111.8843 (248*2π)/3551 weeks
249181.4547 -164.4566 (249*2π)/3551 weeks
250282.8466 -165.5067 (250*2π)/3551 weeks
251183.4865 -75.02036 (251*2π)/3551 weeks
252206.5472 -164.3646 (252*2π)/3551 weeks
253230.4307 -193.7985 (253*2π)/3551 weeks
254204.6546 -75.18526 (254*2π)/3551 weeks
255215.4026 -149.3634 (255*2π)/3551 weeks
25679.13479 -226.0805 (256*2π)/3551 weeks
257256.8875 -114.7054 (257*2π)/3551 weeks
258197.7587 -100.8766 (258*2π)/3551 weeks
259134.9114 -122.9783 (259*2π)/3551 weeks
260133.185 -238.7259 (260*2π)/3551 weeks
261110.2219 -238.7312 (261*2π)/3551 weeks
26296.13261 -264.2639 (262*2π)/3551 weeks
263228.688 -390.9094 (263*2π)/3551 weeks
264192.7428 -236.4852 (264*2π)/3551 weeks
265267.7904 -299.2466 (265*2π)/3551 weeks
266299.4867 -253.6684 (266*2π)/3551 weeks
267268.1325 -215.587 (267*2π)/3551 weeks
268354.2095 -379.0045 (268*2π)/3551 weeks
269585.1898 -209.2182 (269*2π)/3551 weeks
270239.1322 18.70968 (270*2π)/3551 weeks
27186.67509 -65.24848 (271*2π)/3551 weeks
272197.4301 -225.944 (272*2π)/3551 weeks
273238.307 -77.90855 (273*2π)/3551 weeks
274153.8805 -240.821 (274*2π)/3551 weeks
275184.6469 -186.5451 (275*2π)/3551 weeks
276157.8652 -255.4707 (276*2π)/3551 weeks
277239.7388 -340.1943 (277*2π)/3551 weeks
278258.3927 -312.6967 (278*2π)/3551 weeks
279296.9063 -244.863 (279*2π)/3551 weeks
280123.3462 -44.28737 (280*2π)/3551 weeks
281196.4245 -433.9369 (281*2π)/3551 weeks
282304.1104 -321.02 (282*2π)/3551 weeks
283398.5876 -261.6151 (283*2π)/3551 weeks
284275.4186 -191.8965 (284*2π)/3551 weeks
285205.7608 -253.6658 (285*2π)/3551 weeks
286178.8258 -226.9587 (286*2π)/3551 weeks
287356.4667 -255.2392 (287*2π)/3551 weeks
288325.4842 -141.4724 (288*2π)/3551 weeks
289207.8145 -148.3826 (289*2π)/3551 weeks
290137.1528 -274.0581 (290*2π)/3551 weeks
291298.494 -180.0092 (291*2π)/3551 weeks
29264.72369 -231.8037 (292*2π)/3551 weeks
293106.4732 -395.7604 (293*2π)/3551 weeks
294193.3764 -361.8432 (294*2π)/3551 weeks
295277.4369 -229.1201 (295*2π)/3551 weeks
296262.0724 -164.3228 (296*2π)/3551 weeks
297-10.17481 -424.3002 (297*2π)/3551 weeks
298269.2703 -441.0927 (298*2π)/3551 weeks
299148.7395 -435.1436 (299*2π)/3551 weeks
300219.968 -395.6848 (300*2π)/3551 weeks
301401.7584 -461.6826 (301*2π)/3551 weeks
302204.635 -356.5575 (302*2π)/3551 weeks
303327.1039 -379.616 (303*2π)/3551 weeks
304511.4462 -388.0578 (304*2π)/3551 weeks
305301.4435 -189.1335 (305*2π)/3551 weeks
306115.4331 -240.0782 (306*2π)/3551 weeks
307136.3599 -420.7686 (307*2π)/3551 weeks
308137.3422 -257.4256 (308*2π)/3551 weeks
309154.1884 -459.4198 (309*2π)/3551 weeks
310335.1266 -327.774 (310*2π)/3551 weeks
311-40.45315 -519.9587 (311*2π)/3551 weeks
312336.9699 -524.7234 (312*2π)/3551 weeks
313206.7139 -652.1971 (313*2π)/3551 weeks
314470.0995 -604.8042 (314*2π)/3551 weeks
315389.032 -454.4734 (315*2π)/3551 weeks
316314.3862 -304.5142 (316*2π)/3551 weeks
317238.0928 -292.6212 (317*2π)/3551 weeks
318402.4395 -449.4622 (318*2π)/3551 weeks
319133.8002 -397.6534 (319*2π)/3551 weeks
32085.10821 -322.8859 (320*2π)/3551 weeks
321137.7007 -515.8082 (321*2π)/3551 weeks
32262.4038 -565.8439 (322*2π)/3551 weeks
323118.3965 -565.4401 (323*2π)/3551 weeks
32495.21456 -509.162 (324*2π)/3551 weeks
325-128.8302 -918.2851 (325*2π)/3551 weeks
326226.1211 -890.9331 (326*2π)/3551 weeks
32794.92663 -901.7162 (327*2π)/3551 weeks
328304.0211 -1,333.777 (328*2π)/3551 weeks
329608.1737 -879.675 (329*2π)/3551 weeks
330428.6705 -860.6041 (330*2π)/3551 weeks
331590.9748 -712.5685 (331*2π)/3551 weeks
332725.9639 -726.5432 (332*2π)/3551 weeks
333237.8791 -388.946 (333*2π)/3551 weeks
334128.9904 -1,288.184 (334*2π)/3551 weeks
335704.3806 -1,105.431 (335*2π)/3551 weeks
336989.2083 -532.1936 (336*2π)/3551 weeks
337219.1018 -388.0166 (337*2π)/3551 weeks
338538.1663 -732.7552 (338*2π)/3551 weeks
339-584.5583 -594.7562 (339*2π)/3551 weeks
340-48.35178 -1,415.981 (340*2π)/3551 weeks
341316.0685 -1,072.329 (341*2π)/3551 weeks
342152.2565 -1,093.082 (342*2π)/3551 weeks
343-849.8296 -1,294.697 (343*2π)/3551 weeks
344-271.4827 -1,963.202 (344*2π)/3551 weeks
345-161.0584 -2,282.152 (345*2π)/3551 weeks
346195.3572 -2,540.735 (346*2π)/3551 weeks
347-477.8165 -3,224.186 (347*2π)/3551 weeks
348174.3541 -5,120.56 (348*2π)/3551 weeks
3492,579.311 -3,553.249 (349*2π)/3551 weeks
3502,222.954 -5,591.432 (350*2π)/3551 weeks
3512,585.239 -3,693.78 (351*2π)/3551 weeks
3523,896.408 -3,402.336 (352*2π)/3551 weeks
3532,171.69 -4,920.92 (353*2π)/3551 weeks



Back to list of Stocks