Someone posted PCLN post-earnings move on seeking alpha. Based on this history, seems to me like PCLN straddle will probably make money if you hold it for two days. It more often than not makes >8% move in two days.
http://seekingalpha.com/article/786...ngs-playing-after-hours-earnings?source=yahoo
On May 9, 2012, PCLN declined 3.5% in after-hours trade after beating Q1 earnings estimates and setting its Q2 guidance in line with expectations. The stock moved deeper south the next day, closing the May 10 regular session off 5.2%.
On Feb. 27, 2012, PCLN jumped 6.4% in night trade after posting better-than-expected Q4 results and setting its Q1 guidance in-line to above Street estimates. The stock added modestly to those gains the next day, rising 6.9% in the Feb. 28 regular session.
On Nov. 7, 2011, PCLN advanced 2.4% in after-hours trade after topping Q3 expectations. The stock added to its upside the next day, rising 8.6% by the close on Nov. 8.
On Aug. 4, 2011, PCLN surged 9.8% in evening trade after reporting better-than-expected results and guidance. The stock held the bulk of its gains the next day, but it narrowed slightly - ending the Aug. 5 regular session up 9.2%.
On May 5, 2011, PCLN gained 1.7% in night trade after topping Q4 EPS estimates, missing on revenue, and setting its Q1 EPS guidance above the Street view. The stock reversed direction the next day, closing the May 6 regular session down 2.8%.
On Feb. 23, 2011, PCLN advanced 4.5% in after-hours trade after beating Q4 EPS expectations and setting its Q1 earnings view above the Street estimate. The stock moved further north the next day, closing the Feb. 24 regular session up 8.5%.
On Nov. 8, 2010, PCLN gained 5.8% in evening trade after posting better-than-expected results and guidance. The stock surged higher the following day, gaining 8.2% by the Close on Nov. 9.
On Aug. 3, 2010, PCLN surged 16.1% in after-hours action after posting better-than-expected results and guidance. The stock jumped higher the next day, rising 21.9% by the close on Aug. 4.
On May 10, 2010, PCLN tumbled 11.9% in after-hours trade after reporting disappointing Q1 revenue and setting its Q2 EPS view below Street estimates. The stock added slightly to its downside the following day, closing the May 11 regular session down 12%.
On Feb. 17, 2010, PCLN gained 7.1% in after-hours trade after reporting better-than-expected results and guidance. The stock added to its upside the following day, closing the Feb. 18 regular session up 9.4%.