Will SCOTUS bar unpled affirmative defenses at summary judgment?

Before 2028 If the Supreme Court, in Younge v. Fulton Judicial Circuit District Attorney’s Office, rules a defendant may not assert an affirmative defense omitted from its answer as the basis for summary judgment without amending or seeking to amend the answer, including when Rule 16(b)(4) would bar amendment, then the market resolves to Yes. The Payout Criterion for the Contract encompasses the Expiration Values that the Supreme Court of the United States has ruled, in Younge v. Fulton Judicia