market value vs market price

market value and market price both are nouns.

Word	Noun	Adjective	Verb	Adverb
market value	Yes	No	No	No
market price	Yes	No	No	No

As nouns, market value and market price are synonyms defined as:

market value and market price: the price at which buyers and sellers trade the item in an open marketplace

market value (noun)	market price (noun)
the price at which buyers and sellers trade the item in an open marketplace	the price at which buyers and sellers trade the item in an open marketplace