A covered call strategy works best in a flat market otherwise, but MCN's addition to holding a significant allocation to cash (26.7% as of their last report in a money market) meant even better results.

Source: https://seekingalpha.com/article/4590049-mcn-strong-performance-premium-persists?source=feed_all_articles

Not all buildings will have issues but the entire flat market has been hit as no one yet knows which buildings are affected.

Source: https://londonlovesbusiness.com/chancellor-warned-of-a-billion-pound-bill-to-rescue-1-7-million-potential-victims-post-grenfell/