Okla. Stat. tit. 23, § 23-63: Detainer by trustee

For willfully holding over real property by a person who entered

upon the same as guardian or trustee for an infant, or by right of

an estate terminable with any life or lives, after the termination

of the trust or particular estate, without the consent of the party

immediately entitled after such termination, the measure of damages

is the value of the profits received during such holding over.