[Analyst: Quarterly options positions highly concentrated, $75,000 becomes the key battleground for bulls and bears] BlockBeats news, March 16, Greeks.live researcher Adam posted on social media stating that quarterly options expiring at the end of the month now account for over 40% of the total positions. The $75,000 call option single contract accounts for more than 5%, which can be described as an unprecedented level of concentration, with everyone betting on $75,000. The Gamma wall and Gamma concentration indicate a unified market perspective. When everyone is on the same boat, it either leads to a collective push toward the desired direction or a massive collapse.