--- title: "Noteworthy Tuesday Option Activity: CIEN, SLS, CR" type: "News" locale: "en" url: "https://longbridge.com/en/news/284439504.md" description: "Noteworthy options trading activity was observed in Ciena Corp (CIEN) with 14,348 contracts traded, representing 54.9% of its average daily volume. High volume was noted for the $550 strike call option expiring May 01, 2026. SELLAS Life Sciences Group (SLS) saw 28,146 contracts traded, also 54.9% of its average, with significant activity in the $2 strike call option expiring September 18, 2026. Crane Co (CR) had 2,834 contracts traded, 53.8% of its average, with notable volume in the $185 strike call option expiring June 18, 2026." datetime: "2026-04-28T19:50:29.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/284439504.md) - [en](https://longbridge.com/en/news/284439504.md) - [zh-HK](https://longbridge.com/zh-HK/news/284439504.md) --- # Noteworthy Tuesday Option Activity: CIEN, SLS, CR Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Ciena Corp (Symbol: CIEN), where a total of 14,348 contracts have traded so far, representing approximately 1.4 million underlying shares. That amounts to about 54.9% of CIEN's average daily trading volume over the past month of 2.6 million shares. Particularly high volume was seen for the $550 strike call option expiring May 01, 2026, with 885 contracts trading so far today, representing approximately 88,500 underlying shares of CIEN. Below is a chart showing CIEN's trailing twelve month trading history, with the $550 strike highlighted in orange: SELLAS Life Sciences Group Inc (Symbol: SLS) options are showing a volume of 28,146 contracts thus far today. That number of contracts represents approximately 2.8 million underlying shares, working out to a sizeable 54.9% of SLS's average daily trading volume over the past month, of 5.1 million shares. Especially high volume was seen for the $2 strike call option expiring September 18, 2026, with 10,011 contracts trading so far today, representing approximately 1.0 million underlying shares of SLS. Below is a chart showing SLS's trailing twelve month trading history, with the $2 strike highlighted in orange: And Crane Co (Symbol: CR) saw options trading volume of 2,834 contracts, representing approximately 283,400 underlying shares or approximately 53.8% of CR's average daily trading volume over the past month, of 527,250 shares. Particularly high volume was seen for the $185 strike call option expiring June 18, 2026, with 1,209 contracts trading so far today, representing approximately 120,900 underlying shares of CR. Below is a chart showing CR's trailing twelve month trading history, with the $185 strike highlighted in orange: For the various different available expirations for CIEN options, SLS options, or CR options, visit StockOptionsChannel.com. Today's Most Active Call & Put Options of the S&P 500 » ##### Also see: • High Yield Dividend Stocks • ETFs Holding ETM • Materials Stocks Hedge Funds Are Buying The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc. ### Related Stocks - [CIEN.US](https://longbridge.com/en/quote/CIEN.US.md) - [SLS.US](https://longbridge.com/en/quote/SLS.US.md) - [CR.US](https://longbridge.com/en/quote/CR.US.md) - [.SPX.US](https://longbridge.com/en/quote/.SPX.US.md) - [NDAQ.US](https://longbridge.com/en/quote/NDAQ.US.md) ## Related News & Research - [Ciena (NYSE:CIEN) SVP Sells $684,780.00 in Stock](https://longbridge.com/en/news/287042007.md) - [SELLAS Life Sciences Nears Pivotal Trial Readout As Leukemia Pipeline Progresses](https://longbridge.com/en/news/286279161.md) - [SELLAS Life Sciences Group Q1 Loss Narrows](https://longbridge.com/en/news/286156649.md) - [Here's How Much $1000 Invested In Ciena 5 Years Ago Would Be Worth Today](https://longbridge.com/en/news/286002236.md) - [iA Global Asset Management Inc. Takes $7.16 Million Position in Ciena Corporation $CIEN](https://longbridge.com/en/news/286746989.md)