Your intraday options trading update.

High Options Volume by Strike

Industrial Select Sector SPDR (NYSE: XLI) May 34 and May 35 Puts each trade about 65,000 contracts to lead strike parade this morning. Cisco (NASDAQ: CSCO) on the winning track with the stock rising .71 to 17.92. Yes, that is ‘Cisco” and ‘rising’ in the same sentence. The CSCO Apr11 18 Call traded 52,644 contracts, up .19 to .24, and the CSCO May11 20 Call trades 45,072, up .09 to .17. Several other CSCO calls in top 20 strikes by volume. The SPDR S&P Retail ETF (NYSE: XRT) looks busy with the XRT May 11 49 Put trading 41,812 contracts.

Major Stock Trading Volume Movers

American Superconductor (NASDAQ: AMSC) down 10.21 to 14.67 on volume of 26.3 million shares, an increase of more than 900%. Myrexis (NASDAQ: MYRX) trades 910,596 shares, a rise of 838%, as the stock rises .40 to 4.25. Myrexis is a biotech that develops cancer treatments, though name sounds like skin condition or ancient Greek warrior. Kilroy Realty (NYSE: KRC) trades nearly 3 million shares, a 486% increase, as the stock drops .24 to 39.22.

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Stocks/Underlying – Big Daily Change in Option Volume

Washington Federal (NASDAQ: WSFL) sees options volume rise to 4,800 contracts, an increase of nearly 2,000%, while Vivo Participacoes SA (NYSE: VIV) gets 52,244 option contracts traded, another nearly 2.000% rise. ZIOPHARM Oncology (NASDAQ: ZIOP) gets zi-opped with 4,771 options traded, another volume rise of close to 2,000%, as stock rises .017 to 6.43.

Stocks – Big Daily Change in Open Interest

Accuride Corp. (NYSE: ACW) open interest totals 1,641, a rise of about 1,100% as stock drops .01 to 13.99. Inspire Pharmaceuticals (NASDAQ: ISPH) still busy with the stock unchanged at 4.97 and OI moving to 67,254, a 500+% rise. BRF Brasil Foods SA (NYSE: BRFS), OI rises 349% to 3,437, while Charming Shoppes (NASDAQ: CHRS) now has OI of 3,676, a rise of 269%.

Stocks/Underlying – High Option Volume

The SPDR S&P 500 Index (NYSE: SPY) records option volume of 618,977 as the underlying rises .03 to 133.27. The S&P 500 Index Options (CBOE: SPX) is at 189,021 contracts followed by sister (Brother? Weird uncle?) CBOE Volatility Index (CBOE: VIX) with 180,123 contracts. VIX is down .30 to 16.95. Cisco Systems (NASDAQ: CSCO) stock is up .76 and the options trade 146,911 contracts. Industrial Select Sector SPDR (NYSE: XLI) traded 138,955 options.