Shorts Enjoy History Of Trading SanDisk In The Wake Of Earnings Events

SanDisk (SNDK) reports its Q2 results in tonight's after-hours session, and shorts get the better look at the stock. Historically, SNDK has seen its earnings-driven after-hours declines move deeper in the red in follow-on regular session trade. Its earnings-driven after-hours gains have seen mixed trade throughout the history we've gathered.

SNDK has seen an after-hours decline in 20 of the 36 quarters we've tracked, and in 13 of those events the stock has seen its decline head deeper south in the following day's regular session (about 65% of the time). On the plus-side, SNDK has recorded an earnings-driven after-hours gain in 16 quarters, and followed its gains with reversal moves, or narrower upside trade the next day, in eight of those quarters, or 50% of the time.

SNDK is expected to report a Q2 profit of $0.19 per share on revenue of $1.01 billion, according analysts polled by Capital IQ.

Here's the performance history:

• On April 19, 2012, SNDK slumped 10.9% in evening trade after missing Q1 expectations. The stock added to its declines the next day, closing the April 20 regular session down 11.2%.
• On Jan. 25, 2012, SNDK slumped 8.3% in after-hours trade after topping Q4 expectations but also guiding its revenue below the Street view. The stock cratered lower the following day, ending the Jan. 26 regular session down 11.3%.
• On Oct. 20, 2011, SNDK gained 2.4% in evening trade after meeting Q3 revenue estimates and beating on earnings. The stock leaped higher the following day, ending the Oct. 21 regular session up 9.3%.
• On July 21, 2011, SNDK advanced 2.2% in after-hours trade after topping Q2 expectations. The stock surged higher the next day, ending the July 22 regular session up 9.6%.
• On April 21, 2011, the stock fell 0.7% after reporting a Q1 beat and guiding in line for Q2. Shares rose 1.6% the next day.
• On Jan. 27, 2011, SNDK gained 1% in evening trade after beating Q4 expectations. The stock saw a sharp reversal in sentiment the next day, closing the Jan. 28 regular session down 8.8%.
• On Oct. 21, 2010, the stock rose 5.1% after a Q3 beat. Shares fell 0.3% the next day.
• On July 22, 2010, SNDK shed 7.8% in evening trade after beating Q2 expectations and announcing its CEO plans to retire. The stock cut its downside the following day, closing the July 23 regular session down 3.8%.
• On April 21, 2010, SNDK advanced 7.5% in after-hours trade after beating Q1 estimates. The stock added to its upside the following day, closing the April 22 regular session up 12.3%.
• On Jan. 28, 2010, SNDK slumped 4.6% in evening trade despite topping Q4 expectations. Traders continued to sell off the issue the following day, sending it down 11.6% by the close on Jan. 29.
• On Oct. 29, 2009, the stock rose 10.5% after swinging to a profit. Shares were up a slightly slimmer 9.5% the next day.
• On July 22, 2009, the stock dropped 6.2% in evening trading despite a Q2 beat. The loss widened to 10.9% the next day.
• On April 21. 2009, SNDK advanced 9.9% in after-hours trade after beating on Q1 and setting its revenue outlook above the Street for Q2. The stock added to its upside in the April 22 regular session, ending up 13.3%
• On Feb. 2, 2009, the stock fell 14.1% in extended-hours trading after a swing to a Q4 loss. Shares plunged 23% the next day.
• On Oct. 20, 2008, the stock rose 2.3% despite a swing to a loss and a slide in revenue. The stock also rose 2.3% the next day.
• On July 21, 2008, SNDK tumbled 13.5% in after-hours trade after missing Q2 expectations and setting its guidance below the Street view. The stock plummeted deeper in the red the next day, losing 24% by the close on July 22.
• On April 17, 2008, SNDK advanced 4.3% in after-hours trade after topping revenue expectations. It fattened that gain in the following regular session, rising 5.8% by the closing bell on April 18.
• On Jan. 28, 2008, SNDK declined 6.1% in after-hours trade after beating Q4 expectations but also setting Q1 revenue guidance below Street estimates. The stock cut its downside the following day, ending the Jan. 29 regular session down 2.2%.
• On Oct, 18, 2007, the stock fell 3.2% despite a Q3 earnings beat. The loss swelled to 15.1% the next day.
• On July 19, 2007, the stock gained 6.4% in the evening hours after easily beating the Street with Q2 results. The gain was clipped to 1.8% the next day.
• On April 26, 2007, the stock eased 4.3% in the evening hours despite besting the Street view with Q1 results. The loss was reined in to 2.6% the next day.
• On Jan. 30, 2007, the stock fell 10.4% after less than stellar guidance trumped an earlier beat. The loss was a slightly slimmer 6.1% the next day.
• On Oct. 19, 2006, SNDK dropped 13.8% in evening trade despite beating Q3 expectations. The shares sank further the next day, closing the regular session down 20.4%.
• On July 24, 2006, the stock surged 19.7% in night trading after blowing past Q2 estimates and guiding favorably for Q3. The gain was nearly replicated the next day, although shares were up a slimmer 14.7%.
• On April 20, 2006, shares of SNDK fell 3.1% in the post-market hours after the company reported income in line with the Street view but revenue short of expectations. The loss swelled to 8.3% the next day.
• On Jan. 26, 2006, SNDK plummeted 12.2% in after-hours trading after the company beat expectations but looking forward also cautioned of a seasonally soft Q1. It stayed pinned in the red the next day but still managed to narrow its downside to a 10.4% decline by the Jan. 27 regular session close.
• On Oct. 20, 2005, SNDK blew past Q3 expectations, and the stock jumped 18.3% in after-hours trade. It was spurred higher in the regular session on Oct. 21, rising 21.7% but closing bell.
• On July 21, 2005, SNDK gained 3.3% in after-hours trade on better-than-expected Q2 results. Shares widened their gains the next day, ending the regular session up 11.2%.
• On April 21, 2005, the stock dropped 5.1% after hours after missing revenue targets. It widened its downside in the April 22 regular session, skidding to a loss of 9.1% at the close.
• On Jan. 27, 2005 SNDK surged 16.5% after reporting better-than-expected results. It narrowed that gain in the Jan. 28 regular session, closing up 11.9%.
• On Oct. 13, 2004 SNDK tumbled 18.9% in after-hours trade after missing expectations and guiding below estimates. It was thrashed for a more aggressive 27.2% slide in the Oct. 14 regular session.
• On July 14, 2004 SNDK roared 20.5% higher in after-hours trade following blow-out results and an in-line to better outlook. The stock crossed a wider move early the next day, but retreated later in the day, ultimately ending the July 15 regular session up 20.5%, matching its night session close.
• On April 15, 2004, SNDK tumbled 14% in the after-hours after issuing weak guidance. The stock edged out a 14.1% decline by the next day's close.
• On Jan. 21, 2004 SNDK beat expectations and posted in-line guidance. It plummeted 13.3% in the after-hours, only to see further declines on Jan. 22, down 14.1%.
• On Oct. 15, 2003 the stock jumped 6.1% in evening trade on better-than-expected results and guidance. It narrowed its gains the next day, closing up a more modest 4.2%.
• SNDK pulled through with a big upside move on July 17, 2003, rocketing 11.9% in that day's regular session after advancing 3.6% in the previous night's after-hours on better-than-expected results.

Disclosure: I have no positions in any stocks mentioned, and no plans to initiate any positions within the next 72 hours.