The ruling on participating in an investment institution that distributes profits at a fixed percentage

The questioner:
He says: Honorable Shaykh, may Allah grant you success, an investment institution accepts participation, and it distributes profits every eight months, with the profit fixed at seventeen or nineteen percent. Is it permissible to participate in something like this?

The Shaykh:
Two shari'ah-compliant.

The questioner:
An investment, it accepts participation, and it distributes profits every eight months, with the profit fixed at seventeen or nineteen percent. Is it permissible to participate in such an institution?

The Shaykh:
Seventeen percent is a percentage with no harm; this is a shared profit, this is a shared profit, so there is no harm in that. However, fixing it by months, fixing it so that every so many months you are given a share, this is not correct, because there may be no profit in these months, and nothing may be obtained in these months. The commitment that you are given every three or four months, this commitment is difficult; it may not be realized. Yes.