Why is Psalm 69 considered a Psalm of the cross?

Psalm 69 is categorized as a 'Psalm of the cross' because it vividly encapsulates the sorrows and sufferings that Jesus endured during His crucifixion. The references to drinking vinegar and experiencing reproach perfectly align with the accounts of the Gospel, where Christ faced severe mockery and isolation. The emotional depth expressed in this psalm reflects not only David's circumstances but simultaneously echoes the agonies of the Messiah bearing the sin of the world upon Himself. This dual authorship—historical and prophetic—illustrates how the psalm transcends its original context, shedding light on the intense personal suffering of Jesus on the cross while simultaneously reaffirming the overarching narrative of redemption in Scripture.