Question: What do you mean by option-free bond?
Answer: These are the bonds which does not have any in-built option like callable, puttable and convertible.
Question: Is Bond price and expected cash-flow from that bond is related?
Answer: Yes, this is always the first thing which is considered to calculate the price of a bond.
Question: What are the possible cashflow for option Free Bond?
Answer: option free bond has following component as part of the cash-flow - Periodic Coupon until maturity date (Weekly, monthly, quarterly, semiannually and annually) - Par value at maturity Even determining cash-flow of a bond is not simple.
Question: For which kind of bond future cash-flow is fixed?
Answer: It usually fixed for the fixed rate and option free (not callable, not puttable and not convertible) bonds.