Today I chose to close our short position in a Quidel Corporation (QDEL) put option contract (strike: $135) before it was scheduled to expire this coming Friday. We netted just $93.61 on the 23 day position that required $13,500 in collateral (0.7%, 11% annualized), but QDEL has been quite volatile based on pandemic news and demand for related tests and its trading just five percent from our strike.