TAC Market Cap History
Below is a table of the TAC market cap history going back to 12/31/2010:

Date TAC Market Cap
12/31/20104.67B
2/28/20114.68B
4/29/20114.92B
12/31/20114.61B
6/30/20123.85B
9/30/20124.09B
12/31/20123.88B
4/22/20133.59B
6/30/20133.60B
10/30/20133.63B
12/31/20133.40B
12/31/20142.49B
12/31/20151.01B
12/31/20161.58B
12/31/20171.71B

Also see: TAC Shares Outstanding History
and TAC YTD Return
TAC Historical Market Cap:
-13.35% CAGR
TAC Historical Market Cap: +-13.35% CAGR

Mouse over chart for data details
12/31/2010 ...12/31/2017
TransAlta is a power generating company. Co. owns, operates and manages portfolio of assets representing a range of fuels that include water, wind and solar, natural gas and thermal coal. Co.'s Hydro, Wind and Solar North American Gas and Australian Gas, Alberta Thermal, and Centralia business segments are responsible for operating and maintaining its electrical generation facilities as well as the related mining operations in Canada and the United States. Co.'s Energy Marketing segment is responsible for marketing its production, securing fuel supply and deploying its knowledge of power, transmission, environmental products and gas markets to capitalize on opportunities. We show 15 historical shares outstanding datapoints in our TAC shares outstanding history coverage, used to compute TAC market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing TAC market cap history over the course of time is important for investors interested in comparing TAC'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 TAC versus a peer is one thing; comparing TAC 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 TAC can fluctuate over the course of history. With this page we aim to empower investors researching TAC by allowing them to research the TAC market cap history.
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TransAlta (TAC) is categorized under the Materials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

TAHO Market Cap History
TC Market Cap History
TG Market Cap History
TME Market Cap History
TMSR Market Cap History
TMST Market Cap History
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TROX Market Cap History
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