PTI Market Cap History
Below is a table of the PTI market cap history going back to 2/11/2016:

Date PTI Market Cap
2/11/2016110.96M
3/30/2016181.44M
5/12/2016232.74M
8/9/2016253.41M
11/8/2016232.13M
3/21/2017280.27M
5/9/2017122.95M
8/1/201756.48M
11/9/201739.34M
3/12/2018142.76M
5/7/2018186.18M
8/3/201887.34M
11/2/2018345.58M
2/28/2019210.29M
5/3/201955.19M
8/5/201940.14M
11/5/201938.86M
3/6/202080.31M
8/3/202077.74M
11/12/202055.84M

Also see: PTI Shares Outstanding History
and PTI YTD Return
PTI Historical Market Cap:
-13.45% CAGR
PTI Historical Market Cap: +-13.45% CAGR

Mouse over chart for data details
2/11/2016 ...11/12/2020
Proteostasis Therapeutics is a biopharmaceutical company focused on the discovery and development of therapeutics to treat cystic fibrosis (CF) through theratyping, or the process of matching modulators to individual response to treatment regardless of cystic fibrosis transmembrane conductance regulator (CFTR) mutations. Co.'s CF-focused pipeline consists of CFTR modulators including correctors, potentiators and amplifiers. Upon discovery of amplifiers, a class of CFTR modulators, Co. utilized their mechanism of action as a drug screening tool and identified correctors and potentiators that Co. is developing as combination therapies. We show 20 historical shares outstanding datapoints in our PTI shares outstanding history coverage, used to compute PTI market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing PTI market cap history over the course of time is important for investors interested in comparing PTI's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of PTI versus a peer is one thing; comparing PTI market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like PTI can fluctuate over the course of history. With this page we aim to empower investors researching PTI by allowing them to research the PTI market cap history.
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Proteostasis Therapeutics (PTI) is categorized under the Healthcare sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

PTIE Market Cap History
PTLA Market Cap History
PTX Market Cap History
PULM Market Cap History
QDEL Market Cap History
QGEN Market Cap History
QHC Market Cap History
RARE Market Cap History
RARX Market Cap History
RCKT Market Cap History
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