The document outlines an expiry derivative strategy for BPCL that is bullish, with a maximum profit of Rs. 35940 and maximum loss of Rs. 7860. It recommends buying 600 BPCL December futures at Rs. 930 and selling 600 BPCL October call options at a strike price of Rs. 980 for a premium of Rs. 9.90. A pay-off table and chart are provided to illustrate potential profits and losses from the covered call strategy based on BPCL's closing price on expiry date of December 31, 2015.