PTC Therapeutics price to book ratio PTCT

Market value divided by the book value of the company's net assets, since 2013.

Today, Oct 23, 2026: n/m; not a meaningful number
Last meaningful: 26.3×; Feb 2022
10-year median: 6.0×
10-year range: 1.2× to 29.5×
Peer median: 10.6×

PTC Therapeutics' price to book ratio is not a meaningful number today: shareholders' equity was zero, negative or not reported, so price to book does not exist.

It was last meaningful in Feb 2022, at 26.3×.

On the days it had one over the last ten years, its median was 6.0×, from 1.2× in Nov 2016 to 29.5× in Jan 2022.

Price to book ratio over time

median 6×

The dashed line is the 10-year median and the shaded band the middle half of its days.

Open the interactive chart, with overlays and comparisons

Year by year

Year	End of year	Low	High
2022	26.3×	25.7×	29.5×
2021	26.8×	6.0×	28.2×
2020	8.2×	4.2×	9.0×
2019	4.5×	3.8×	6.5×
2018	4.2×	4.0×	12.4×
2017	4.7×	2.4×	8.8×
2016	2.7×	0.9×	3.7×
2015	4.1×	3.4×	11.9×
2014	8.9×	1.9×	9.5×
2013	2.9×	2.4×	3.5×

Against its peers

Companies in Drug Manufacturers - General nearest PTC Therapeutics' size, closest first, today.

Company	Price to book ratio
PTCTPTC Therapeutics	n/m
KNSAKiniksa Pharmaceuticals International	9.2×
LGNDLigand Pharmaceuticals	6.3×
INDVIndivior Pharmaceuticals	n/m
AMRXAmneal Pharmaceuticals	197×
ARQTArcutis Biotherapeutics	17.8×
LQDALiquidia	19.6×
OGNOrganon	3.6×
ALKSAlkermes plc.	4.0×
TGTXTG Therapeutics	13.7×
PTGXProtagonist Therapeutics	10.6×
Peer median	10.6×

What the price to book ratio tells you

Market value divided by the accounting value of the company's net assets. Below 1 means the market values the business at less than what it owns on paper.

Book value misses brands, software and people, so asset-light companies always look expensive on it. Most useful for banks and industrials.

More on PTC Therapeutics

Valuation data, not investment advice. Prices as of Oct 23, 2026. Reported figures come from the company's filings with the SEC.