The phrase "speculative venture" is correct and can be used in written English.
Example: "The businessman's latest speculative venture ended up being a huge success, earning him millions of dollars."
Richard Teitelbaum played live electronics against Mr. Parker in the second set, and it was a more speculative venture.
For a speculative venture such as Philadelphia, McCoubrey says gridded plots made it easier to sell property "sight unseen".
It is due to complete another tower block in April, which has few tenants, making this a far more speculative venture than past buildings.
As a speculative venture in an embryonic field, it has little access to capital markets, traditional bank loans or federal grants.
The project under way at 360 Madison Avenue was intended as a speculative venture, with no attempt to sign tenants, except for the Bank of Tokyo Trust, beforehand.
They feel it it was set up as a speculative venture and are concerned about the costs arisen from start up and destruction.
Soon, the banks followed them into increasingly speculative ventures.
Ward made a paper fortune in speculative ventures of dubious legality (of which Grant knew nothing).
The new houses are a mix of build-to-suits and speculative ventures by half a dozen custom builders.
It began to treat the unit as a source of growth, investing in speculative ventures such as property and leveraged buyouts.
Most other apartment houses on Park were speculative ventures, but Mr. Ecker was building for himself and at least one friend, Darwin Kingsley, head of New York Life.
