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Fourier Analysis of PTIX (Performance Technologies In)


PTIX (Performance Technologies In) appears to have interesting cyclic behaviour every 2 weeks (17294.94*sine), 2 weeks (17294.94*sine), and 2 weeks (14676.3*cosine).

PTIX (Performance Technologies In) has an average price of 9,370.83 (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 1/5/2016 to 10/9/2017 for PTIX (Performance Technologies In), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
09,370.829   0 
12,782.006 15,979.46 (1*2π)/7777 weeks
2-10,082.4 1,324.572 (2*2π)/7739 weeks
34,655.341 -5,987.994 (3*2π)/7726 weeks
46,683.516 11,145.72 (4*2π)/7719 weeks
5-13,474.3 10,503.57 (5*2π)/7715 weeks
6-12,702.4 -10,555.54 (6*2π)/7713 weeks
75,844.3 -9,873.304 (7*2π)/7711 weeks
83,143.459 4,140.118 (8*2π)/7710 weeks
9-7,169.049 -2,797.418 (9*2π)/779 weeks
103,936.227 -12,004.76 (10*2π)/778 weeks
1113,779.12 558.4911 (11*2π)/777 weeks
123,072.286 10,188.01 (12*2π)/776 weeks
13-3,655.177 2,679.223 (13*2π)/776 weeks
142,062.336 838.7587 (14*2π)/776 weeks
15-267.6295 7,202.645 (15*2π)/775 weeks
16-8,138.467 3,725.42 (16*2π)/775 weeks
17-6,403.179 -3,847.024 (17*2π)/775 weeks
18-2,151.396 -4,350.406 (18*2π)/774 weeks
19-1,333.385 -4,992.658 (19*2π)/774 weeks
202,892.197 -5,995.142 (20*2π)/774 weeks
215,668.312 -1,272.554 (21*2π)/774 weeks
222,667.03 696.4323 (22*2π)/774 weeks
234,591.155 -992.0704 (23*2π)/773 weeks
247,272.552 5,848.154 (24*2π)/773 weeks
25-2,682.418 11,200.47 (25*2π)/773 weeks
26-9,772.921 1,020.011 (26*2π)/773 weeks
27-714.0339 -4,670.5 (27*2π)/773 weeks
28678.3063 4,572.862 (28*2π)/773 weeks
29-11,283.39 1,268.822 (29*2π)/773 weeks
30-5,406.314 -14,531.56 (30*2π)/773 weeks
3112,523.83 -8,506.866 (31*2π)/772 weeks
326,672.874 8,143.527 (32*2π)/772 weeks
33-6,245.709 310.4821 (33*2π)/772 weeks
346,193.476 -9,149.485 (34*2π)/772 weeks
3514,472.08 8,443.143 (35*2π)/772 weeks
36-6,007.99 17,294.94 (36*2π)/772 weeks
37-14,676.3 -2,749.998 (37*2π)/772 weeks
383,208.336 -8,363.099 (38*2π)/772 weeks
393,208.336 8,363.099 (39*2π)/772 weeks
40-14,676.3 2,749.998 (40*2π)/772 weeks
41-6,007.99 -17,294.94 (41*2π)/772 weeks
4214,472.08 -8,443.143 (42*2π)/772 weeks
436,193.476 9,149.485 (43*2π)/772 weeks
44-6,245.709 -310.4821 (44*2π)/772 weeks
456,672.874 -8,143.527 (45*2π)/772 weeks
4612,523.83 8,506.866 (46*2π)/772 weeks
47-5,406.314 14,531.56 (47*2π)/772 weeks
48-11,283.39 -1,268.822 (48*2π)/772 weeks
49678.3063 -4,572.862 (49*2π)/772 weeks
50-714.0339 4,670.5 (50*2π)/772 weeks
51-9,772.921 -1,020.011 (51*2π)/772 weeks
52-2,682.418 -11,200.47 (52*2π)/771 weeks
537,272.552 -5,848.154 (53*2π)/771 weeks
544,591.155 992.0704 (54*2π)/771 weeks
552,667.03 -696.4323 (55*2π)/771 weeks
565,668.312 1,272.554 (56*2π)/771 weeks
572,892.197 5,995.142 (57*2π)/771 weeks
58-1,333.385 4,992.658 (58*2π)/771 weeks
59-2,151.396 4,350.406 (59*2π)/771 weeks
60-6,403.179 3,847.024 (60*2π)/771 weeks
61-8,138.467 -3,725.42 (61*2π)/771 weeks
62-267.6295 -7,202.645 (62*2π)/771 weeks
632,062.336 -838.7587 (63*2π)/771 weeks
64-3,655.177 -2,679.223 (64*2π)/771 weeks
653,072.286 -10,188.01 (65*2π)/771 weeks
6613,779.12 -558.4911 (66*2π)/771 weeks
673,936.227 12,004.76 (67*2π)/771 weeks
68-7,169.049 2,797.418 (68*2π)/771 weeks
693,143.459 -4,140.118 (69*2π)/771 weeks
705,844.3 9,873.304 (70*2π)/771 weeks
71-12,702.4 10,555.54 (71*2π)/771 weeks
72-13,474.3 -10,503.57 (72*2π)/771 weeks
736,683.516 -11,145.72 (73*2π)/771 weeks
744,655.341 5,987.994 (74*2π)/771 weeks
75-10,082.4 -1,324.572 (75*2π)/771 weeks



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