Zynex (ZYXI) Predictability Rank

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What is Zynex Predictability Rank?

Warren Buffett said many times that the companies he likes are:

1. Simple businesses that he understands
2. that have predictable and proven earnings and
3. with economic moat
4. those can be bought at a reasonable price.

It is hard to quantify "simple businesses that he (Buffett) understands", so we will focus on the other three characteristics instead. In GuruFocus Research: What worked in the market from 1998-2008? Part I: Introduction of Predictability Rank, we will show that the businesses that have predictable and proven earnings are usually also simple businesses that an average person could understand.

GuruFocus conducted a back test study of Warren Buffett's strategy of "buying good companies at fair prices" for the years from 1998-2008.

Zynex Predictability Rank Calculation

In our database there are 2403 stocks that have been traded from Jan. 2, 1998 to Aug. 31, 2008. We have the complete 10-year financial data and trading prices of these companies for this period. We rank the predictability of these companies based on the consistency of their revenue per share and EBITDA (earning before interest, tax, depreciation and amortization) per share over the past ten fiscal years, and study the correlation between the stock performances and the predictability of the business.

Our study may be subject to these biases and assumptions:

Dividend yields are not counted for investment returns
Effects of price changes due to spin-offs may not be fully adjusted
Study is subjected to survivorship bias due to de-listing, bankruptcy, LBO, M&A, etc.

The correlation between business predictability and investment returns of a company is showed below.

Correlation Between Business Predictability and Investment Returns

	Predictables	Non-Predictable	All stocks
Total Number of stocks	570	1833	2403
Total Lost Money	61	830	891
Total Lost More Than 50%	18	412	430
Total Lost More Than 90%	4	86	90
Average Gain	260.6%	100.0%	138.1%
Median Gain	150.0%	13.0%	39.0%
Maximum Gain	2852.0%	11483.0%	11483.0%
Maximum Loss	-100.0%	-100.0%	-100.0%
Annualized Average Gain	12.7%	6.7%	8.4%
Annualized Median Gain	8.9%	1.1%	3.1%

For the 570 predictable companies, we have seen strong correlation between the predictability of businesses and the stock performances over the past 10 years, regardless of the valuation of business at 1998. Accordingly, we have ranked the business predictability from 5-star to 1-star, as shown in this table.

Predictability Rank	5-Star	4.5-Star	4-Star	3.5-Star	3-Star	2.5-Star	2-Star	1-Star (non-predictable)	Average among all
% Out of All 2403 Stocks	3.3%	2.9%	3.7%	3.3%	3.3%	3.7%	3.3%	76.3%	100%
% that are in Loss (10y)	3%	10%	8%	9%	11%	18%	16%	45%	37%
Average Gain (10y)	364.6%	330.9%	278.0%	235.1%	243.5%	227.8%	154.8%	100.0%	138.1%
Median Gain (10y)	238.5%	193.5%	171.0%	159.0%	132.5%	113.5%	87.0%	13.0%	39.0%
Maximum Gainer	2228.0%	2547.0%	2452.0%	2852.0%	2432.0%	1892.0%	1807.0%	11483.0%	11483.0%
Maximum Loser	-82.0%	-53.0%	-67.0%	-100.0%	-83.0%	-100.0%	-78.0%	-100.0%	-100.0%
Annualized Average Gain	15.4%	14.6%	13.2%	12.0%	12.2%	11.7%	9.1%	6.7%	8.4%
Annualized Median Gain	12.1%	10.6%	9.8%	9.3%	8.2%	7.3%	6.0%	1.1%	3.1%

For detailed information about each predictability rank, please go to GuruFocus Research: What worked in the market from 1998-2008? Part I: Introduction of Predictability Rank

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Zynex (ZYXI) Business Description

Industry

GURUFOCUS.COM » STOCK LIST » Healthcare » Medical Distribution » Zynex Inc (NAS:ZYXI) » Definitions » Predictability Rank

Comparable Companies

Traded in Other Exchanges

N/A

Address

9555 Maroon Circle, Englewood, CO, USA, 80112

Website

https://www.zynex.com

Zynex Inc is engaged in the manufacturing and marketing of medical devices. It operates through one primary business segment, Electrotherapy and Pain Management Products. The business activities of the company are carried out through its subsidiaries. The company designs, manufacture, and markets medical devices that treat chronic and acute pain, as well as activate and exercise muscles for rehabilitative purposes with electrical stimulation. it also develops and markets medical devices for non-invasive cardiac monitoring, the products of which are under development. The company markets Zynex-manufactured products which include NexWave, NeuroMove, InWave E-Wave and others.

Executives

Daniel J Moorhead	officer: Chief Financial Officer	9777 PYRAMID CT, STE 100, ENGLEWOOD CO 80112
Anna Lucsok	officer: See Remarks	9555 MAROON CIRCLE, ENGLEWOOD CO 80112
Thomas Sandgaard	director, 10 percent owner, officer: President, CEO and Chairman	10506 KALAHARI CT., LONE TREE CO 80124
Neil Friery	officer: See Remarks	C/O ZYNEX, INC. 9555 MAROON CIRCLE, ENGLEWOOD CO 80112
Joshua R. Disbrow	director	AMPIO PHARMACEUTICALS, INC., 5445 DTC PARKWAY, SUITE 925, GREENWOOD VILLAGE CO 80111
Barry D Michaels	director	6275 NANCY RIDGE DRIVE, SUITE 110, SAN DIEGO CA 92121
Michael D Cress	director	3409 ESPERANZA CROSSING SUITE 7110, AUSTIN TX 78758
Sandgaard Holdings Llc	10 percent owner	9555 MAROON CIRCLE, ENGLEWOOD CO 80112
Giuseppe Papandrea	officer: Chief Operating Officer	C/O ZYNEX, INC. 9555 MAROON CIRCLE, ENGLEWOOD CO 80112