SYBX (Synlogic) E10: $-43.77 (As of Mar. 2026)

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SYBX Synlogic Inc SYBX
30 GF Score
Price $1.17
! 1 Warning Sign
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What is Synlogic E10?

Synlogic SYBX -2.50% 30 E10 is $-43.77 as of Mar. 2026. GuruFocus rates SYBX with a GF Score™ of 30/100. The stock has 1 warning sign investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Synlogic's adjusted earnings per share data for the three months ended in Mar. 2026 was $0.050. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is $-43.77 for the trailing ten years ended in Mar. 2026.

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the E10 growth rate using E10 data.

As of today (2026-08-03), Synlogic's current stock price is $1.17. Synlogic's E10 for the quarter that ended in Mar. 2026 was $-43.77. Synlogic's Shiller PE Ratio of today is .


Synlogic  (OTCPK:SYBX) E10 Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

For the Shiller P/E, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller P/E is also called PE10.

The Shiller P/E was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


Synlogic E10 Related Terms


Synlogic E10 Historical Data

* Premium members only.

The historical data trend for Synlogic's E10 can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Synlogic E10 Chart

Synlogic Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 -71.07 -47.53

Synlogic Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
E10 Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -64.34 -60.06 -53.81 -47.53 -43.77

SYBX vs APRE, MTVA, CNSP: E10 Comparison

For the Biotechnology subindustry, Synlogic's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Synlogic Shiller PE Ratio vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Synlogic's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Synlogic's Shiller PE Ratio falls into.


SYBX
30GF Score
Synlogic Inc SYBX
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
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Synlogic E10 Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today's price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

We adjusted the earnings of 2001 earnings data with the total inflation from 2001 through 2010 to the equivalent earnings in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart earned $1 a share in 2001, then the 2001's equivalent earnings in 2010 is $1.4 a share. If Wal-Mart earns $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 earnings in 2010 is $1.35. So on and so forth, you get the equivalent earnings of past 10 years. Then you add them together and divided the sum by 10 to get E10.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

For example, Synlogic's adjusted earnings per share data for the three months ended in Mar. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=0.05/330.2130*330.2130
=0.050

Current CPI (Mar. 2026) = 330.2130.

Synlogic Quarterly Data

per share eps CPI Adj_EPS
201606 -28.350 241.018 -38.842
201609 -27.300 241.428 -37.340
201612 -43.801 241.432 -59.908
201703 -25.200 243.801 -34.132
201706 -47.250 244.955 -63.696
201709 -24.900 246.819 -33.313
201712 -11.100 246.524 -14.868
201803 -8.250 249.554 -10.917
201806 -8.850 251.989 -11.597
201809 -6.450 252.439 -8.437
201812 -7.050 251.233 -9.266
201903 -7.650 254.202 -9.937
201906 -6.750 256.143 -8.702
201909 -5.850 256.759 -7.524
201912 -5.550 256.974 -7.132
202003 -6.900 258.115 -8.827
202006 -6.600 257.797 -8.454
202009 -5.400 260.280 -6.851
202012 -5.850 260.474 -7.416
202103 -5.400 264.877 -6.732
202106 -4.200 271.696 -5.105
202109 -4.350 274.310 -5.237
202112 -3.150 278.802 -3.731
202203 -3.300 287.504 -3.790
202206 -3.300 296.311 -3.678
202209 -3.730 296.808 -4.150
202212 -3.540 296.797 -3.939
202303 -3.390 301.836 -3.709
202306 -3.210 305.109 -3.474
202309 -2.570 307.789 -2.757
202312 -2.017 306.746 -2.171
202403 -2.110 312.332 -2.231
202406 0.250 314.175 0.263
202409 -0.010 315.301 -0.010
202412 -0.060 315.605 -0.063
202503 0.030 319.799 0.031
202506 -0.040 322.561 -0.041
202509 -0.190 324.800 -0.193
202512 0.120 324.054 0.122
202603 0.050 330.213 0.050

Add all the adjusted EPS together and divide 10 will get our e10.

Frequently Asked Questions Learn more about E10 →
What does a E10 of $-43.77 mean?
Synlogic (SYBX) has a E10 of $-43.77 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Synlogic and its competitors.
Is Synlogic's E10 too high?
Synlogic's current E10 is $-43.77. Overall, Synlogic has a GF Score™ of 30/100, reflecting its overall financial health beyond just this single metric.
How does Synlogic's E10 compare to APRE and MTVA?
Synlogic's E10 of $-43.77 can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good E10 for a Biotechnology company?
A good E10 depends on the Biotechnology industry context. However, E10 should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high E10 mean?
A high E10 can signal that a stock is expensive relative to its fundamentals. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Synlogic and its competitors. Synlogic's current E10 is $-43.77. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Synlogic stock overvalued right now?
Synlogic (SYBX) has a current E10 of $-43.77. The current E10 is $-43.77. Synlogic's overall GF Score™ is 30/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is E10 calculated?
E10 is calculated from a company's financial statements. For Synlogic (SYBX), the current E10 is $-43.77 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Synlogic Business Description

Other Exchanges 0A8U:UK
Address PO Box 30, Winchester, MA, USA, 01890
Synlogic Inc is a biopharmaceutical company focuses on rare metabolic disorders, with a program in phenylketonuria (PKU) and homocystinuria (HCU). The company's pipeline includes therapeutics for enteric hyperoxaluria, gout, and cystinuria. Using a proprietary approach, the company engineer GI-restricted, oral medicines from well-characterized probiotics. The pipeline drug candidates includes: labafenogene marselecobac (SYNB1934); SYNB1353 Classical Homocystinuria (HCU); SYNB8802 Enteric Hyperoxaluria; and SYNB2081 Gout. Engineered to be non-colonizing and reversible, the company offer oral administration, simplifying shipping and storage. The company operates in one operating segment: Discovery and development of Synthetic Biotics.
30GF Score

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