Having gifts that differ according to the grace given to us, let us use them: if prophecy, in proportion to our faith; if service, in our serving; the one who teaches, in his teaching; the one who exhorts, in his exhortation; the one who contributes, in generosity; the one who leads, with zeal; the one who does acts of mercy, with cheerfulness.
Romans 12:6-8 ESV
Prophecy does not refer to the public reading of Scripture as some have claimed, nor does it refer to routine expounding on the Scriptures--no matter how fantastic or truthful--or else Paul would not have listed teaching separately.
Prophecy is relaying a message directly from God to some other person or people. Reading a passage from the Bible is merely repeating a prophecy that God gave to someone else. Expounding on the Scriptures is not prophecy unless it could legitimately be prefaced with “Thus saith the Lord...”