March 2 morning update, overseas futures positions, options positions, cross trades, Nikkei 225 futures, and Nikkei 225 options positions: how to read them

(1) Futures positions of the overseas participants on March 1 as shown in the chart above are as depicted above.
Overall overseas participants, Goldman Sachs, and Credit Suisse were all net sellers.




(2) For each firm’s options positions and outstanding contracts as shown in the chart above.
(3) For large-option positions and cross trades
Regarding options,