A parade of retailers reported their January same-store sales figures on Thursday morning, and the results were actually much better than expected. The aggregate 4.2% rise in monthly sales easily surpassed analysts' expectations, leading to a solidly bullish session for the SPDR S&P Retail (XRT) exchange-traded fund (ETF).

However, not everyone was won over by January's stronger-than-forecast sales data. Around midday on Thursday, one skeptical options trader initiated a long put spread on the XRT, in an attempt to capitalize on expected weakness in the retail-based fund.

Within the first hour of Thursday's session, call volume on Lowe's Companies (LOW) skyrocketed to about 41,000 contracts -- or nearly seven times the equity's expected daily call volume. Checking out the major block trades of the morning, it looks as though a single trader is responsible for much of this option activity.

Specifically, a block of 13,000 contracts changed hands at the ask price of $1.18 on LOW's January 2012 30-strike call, suggesting they were purchased. At the same time, a matching block of 13,000 contracts traded on the equity's January 2012 35-strike call, but these options crossed the tape at the bid price of $0.31 -- indicating they were sold.

The shares of Nvidia (NVDA) have been tearing up the charts in 2011, thanks to a lucrative settlement with Intel (INTC) and a high-profile new partnership with ARM Holdings (ARMH). The month of January isn't quite half-over yet, but the stock is already sitting on a year-to-date gain of 51.6%.

Judging by at least one headline hitting the wires, the stock's rapid rise is making some analysts nervous. However, on Wednesday, one upbeat options trader placed a bet on additional upside from NVDA during the near term.

Nasdaq OMX Group (NDAQ) is lingering near annual-high territory, but not everyone on Wall Street is impressed with the stock's price action. Bright and early Tuesday morning, the exchange operator was singled out for a bearishly biased options strategy.

Shortly after the opening bell, a block of 1,950 March 24 puts traded near the ask price at $1.20, indicating they were most likely purchased. At the same time, a block of 3,900 March 21 puts changed hands near the bid price at $0.30, suggesting they were probably sold. Volume is easily outstripping open interest at both strikes, so it's safe to assume that we're seeing the initiation of a new spread position.

Options players rushed to place their bets on The Gap (GPS) Tuesday, with volume rising to five times the norm within the first hour of trading. Taking a closer look at the major block trades, it looks as though one speculator is anticipating a major price swing from GPS during the next year.

Specifically, the trader opened a long strangle on GPS by purchasing 2,619 January 2012 20-strike calls, and simultaneously buying 2,619 January 2012 17.50 puts. This two-legged option strategy allows the trader to benefit from a drastic move in the underlying equity, regardless of whether the shares move higher or lower.

Bank of America (BAC) has grabbed some headlines lately, for better or worse. Earlier this week, WikiLeaks founder Julian Assange claimed he would release documents next year pointing to an "ecosystem of corruption" at a major U.S. bank, and many journalists connected a trail of dots leading back to Bank of America. As a result, the stock slipped 3% on Tuesday.

However, Bank of America bounced back with the rest of the market on Wednesday, after one executive at the Charlotte-based bank downplayed the growing speculation. During the course of the session, call volume on BAC rose to two times the usual level, with about 593,000 contracts crossing the tape.

Analysts at JPMorgan Securities are recommending that investors initiate long put spreads on Intel Corp. (INTC), according to Doris Frankel of Reuters. The brokerage firm suggests the bearish options trade for shareholders who are looking to hedge their bets on INTC, due to concerns about contracting gross margins.

Specifically, with INTC trading just shy of $20, JPMorgan recommends buying the January 2011 19-strike put and selling the January 16 put. Currently, the January 19 put is asked at $0.63, while the January 16 put is bid at $0.13. At these prices, the long put spread could be initiated for a net debit of $0.50 per pair of contracts.

Economic data out of China this week is suggesting a slower pace of growth for the emerging economy, and one options player is trying to capitalize on anticipated weakness in some of China's largest companies. Bright and early Friday morning, a bearish bettor sent a long put spread across the tape on the iShares FTSE/Xinhua China 25 Index (FXI).

Specifically, the trader purchased about 11,000 contracts of FXI's November 38 put, and simultaneously sold 11,000 contracts of the November 33 put. With FXI lingering around $40 at the time of the transaction, both of these intermediate-term puts are out of the money.

Is Veeco Instruments (VECO) on the verge of a pullback? One options speculator placed a bearish bet on the stock yesterday by building a three-legged debit spread in the stock's newly front-month August series of options. Judging by the structure of the spread, the trader is looking for VECO to drop as far as $33 per share by the time August-dated options expire on the 20th.

Call volume ramped up on The Mosaic Company (MOS) Wednesday, with roughly 22,000 contracts crossing the tape. By contrast, MOS was only expected to see about 7,300 calls change hands. Meanwhile, fewer than 3,700 puts were exchanged during the course of Tuesday's trading, revealing a distinct bias toward bullishly oriented options.

Taking a closer look at the day's volume, one speculator has high hopes for MOS to rally during the latter half of 2010. The trader constructed a long call spread by buying to open 1,500 contracts of the equity's December 45 call, and simultaneously selling to open 1,500 contracts of the December 55 call. MOS was trading just north of $40 at the time of this transaction, placing both calls out of the money.

MannKind Corp. (MNKD) has lately enjoyed a minor winning streak atop former resistance from its 10-day and 20-day moving averages, with the stock notching six consecutive daily closes above this trendline duo. However, judging by a bearish option strategy that crossed the tape on Tuesday, one options trader isn't buying into the equity's rebound.

Specifically, the trader opened a long put spread on MNKD by buying to open 2,000 contracts of the August 7.50 put, and simultaneously selling to open 2,000 contracts of the August 5 put. This bearishly biased spread was initiated for a net debit of $1.60, which is the trader's maximum potential loss on the play.

Semiconductor specialist Cree Inc. (CREE) was targeted by bearish bettors on Tuesday. During the course of the session, put volume on the shares rose to 1.75 times the usual level, with roughly 16,000 of these skeptically skewed contracts crossing the tape.

Data from the International Securities Exchange (ISE) confirms a downbeat bias to the day's options trading. On Tuesday, speculators on the ISE bought to open 3,193 puts on CREE, compared to just 643 calls. The equity's single-day ISE put/call volume ratio stands at 4.97, revealing that bearish contracts were nearly five times more popular than their bullish counterparts.

InterMune (ITMN) has already racked up an impressive year-to-date gain of more than 268%, but one bullish bettor is expecting the equity's uptrend to continue during the near term. On Monday, a cautiously upbeat options trader singled out the drug stock for a long call spread.

Specifically, the speculator bought to open 1,000 contracts of InterMune's June 65 call, and simultaneously sold to open 1,000 contracts of the equity's June 75 call. The trader shelled out $3.53 for each June 65 call, and raked in $1.48 for the sale of each June 75 call. As a result, the long call spread was opened for a net debit of $2.05 per pair of contracts (which is why this strategy is often referred to as a "debit spread").

With just about three weeks to go until May-dated options expire, one bullish speculator placed a bet on additional upside for the shares of Apple (AAPL). On Wednesday, the iPhone parent was the target of a long call spread, with the trader looking for AAPL to continue its recent breakout above the $260 level.

Specifically, the options player bought to open 4,000 contracts of AAPL's May 260 call, and simultaneously sold to open 4,000 contracts of the equity's May 290 call. AAPL was trading at $258 at the time of this transaction, but the shares tagged an intraday high near $267 early in Thursday's session.