Aetna (AET) is down 25 cents to $28 and 20K Nov 31 calls traded for an average of 92.5 cents per contract. They hit bid-side and were tied to shares at $27.90 — possibly a buy-write strategy. If so, the strategist collected about 90 cents, which brings the cost basis of owning AET to $27 per share. $27 is now the breakeven. The upside is to $31, or 14.8 percent, through the November options expiration (51 days).