Players have been sizing up Cisco (CSCO) ahead of earnings. Shares are up one penny to $23.03 and 271,000 options traded so far (178K calls). Feb 24 calls are the busiest. 36K changed hands. Meanwhile, more than 25K April 21 puts traded. The action includes a bullish April 21 – 24 risk reversal (bought April 24 calls, sold April 21 puts), bought at 25 cents, 10000X. Another large spread, a three way, involved the April 24 – 46 call spread and April 21 puts, at four cents, 10400X. It was crossed and tied to shares on a 30 delta. The overall tone of trading seems to reflect expectations for a good report. Meanwhile, a volatility skew between Feb (30.5) and Mar (26.3) hints at a possible 4.1 percent earnings gap move when Cisco reports after the closing bell.