A growing number of shares available to borrow in conjunction with high open interest at 25 strike going out for months. The theory is, a high number of available to borrow indicates a need for another participant to take on short risk in order to pay for the immense pressure bullding underneath. A swelling updraft underneath 25. Compressing down into 24 strike. To then, again, compress into 23 equity accumulation. Only -- to again be battered down into 22.5. Cross reference this knowledge wi...