Stocks are higher this afternoon, with the Dow Jones Industrial Average (DJI) on track to keep its longest win streak since 2017 running. The S&P 500 Index (SPX) and Nasdaq Composite (IXIC) are also sitting in the black, though the latter is the only one of the three not pacing for a weekly win. It's worth noting markets could still face some volatility ahead of options expiration later today, as well as the Nasdaq-100's (NDX) rebalancing on Monday.

Sirius XM Holdings Inc (Nasdaq: SIRI) is seeing unusual options activity today, with 62,000 calls and 42,000 puts traded so far, or seven times the intraday moving average. Most popular is the August 5 put, followed by the 7 call in that weekly series. The equity is down 14.3% to trade at $6.70 at last check, despite yesterday hitting its highest level in over 18 years. Analysts chimed in with four downgrades earlier, with Deutsche Bank, Pivotal Research, and Seaport Research all adjusting their ratings to "sell." SIRI is still up 15.8% this year.

Matson Inc (NYSE: MATX) is near the top of the New York Stock Exchange (NYSE) today, up 14.1% at $93.68 at last check, after the shipping name's preliminary second-quarter results came in above estimates. In response, Stifel raised its price target to $86 from $70. The shares earlier surged to a one-year high of $93.84, with support from their 20-day moving average. Year-to-date, MATX is up 50%.

One of the worst stocks on the NYSE, meanwhile, is Mesa Royalty Trust (NYSE: MTR). The equity is down 8.7% at $21.10 at last glance after the company yesterday announced the July Trust income distribution. MTR is trading at its lowest level since May, despite its 89% year-over-year lead.

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