--- title: "Noteworthy Friday Option Activity: NN, MBI, IRON" type: "News" locale: "en" url: "https://longbridge.com/en/news/283187025.md" description: "Noteworthy options trading activity has been observed in three companies within the Russell 3000 index. NextNav Inc (NN) saw a total of 24,173 contracts traded, representing 2.4 million underlying shares, with significant volume in the $22 strike call option. MBIA Inc (MBI) had 2,971 contracts traded, equating to 297,100 underlying shares, with high volume in the $6 strike put option. Disc Medicine Inc (IRON) recorded 6,004 contracts, representing 600,400 underlying shares, with notable activity in the $65 strike call option." datetime: "2026-04-17T19:35:32.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/283187025.md) - [en](https://longbridge.com/en/news/283187025.md) - [zh-HK](https://longbridge.com/zh-HK/news/283187025.md) generator: "portal-rs" --- # Noteworthy Friday Option Activity: NN, MBI, IRON Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in NextNav Inc (Symbol: NN), where a total volume of 24,173 contracts has been traded thus far today, a contract volume which is representative of approximately 2.4 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 120.1% of NN's average daily trading volume over the past month, of 2.0 million shares. Particularly high volume was seen for the $22 strike call option expiring June 18, 2026, with 5,407 contracts trading so far today, representing approximately 540,700 underlying shares of NN. Below is a chart showing NN's trailing twelve month trading history, with the $22 strike highlighted in orange: MBIA Inc. (Symbol: MBI) options are showing a volume of 2,971 contracts thus far today. That number of contracts represents approximately 297,100 underlying shares, working out to a sizeable 119.8% of MBI's average daily trading volume over the past month, of 248,080 shares. Especially high volume was seen for the $6 strike put option expiring May 15, 2026, with 1,000 contracts trading so far today, representing approximately 100,000 underlying shares of MBI. Below is a chart showing MBI's trailing twelve month trading history, with the $6 strike highlighted in orange: And Disc Medicine Inc (Symbol: IRON) saw options trading volume of 6,004 contracts, representing approximately 600,400 underlying shares or approximately 117.5% of IRON's average daily trading volume over the past month, of 510,805 shares. Especially high volume was seen for the $65 strike call option expiring April 17, 2026, with 2,002 contracts trading so far today, representing approximately 200,200 underlying shares of IRON. Below is a chart showing IRON's trailing twelve month trading history, with the $65 strike highlighted in orange: For the various different available expirations for NN options, MBI options, or IRON options, visit StockOptionsChannel.com. Today's Most Active Call & Put Options of the S&P 500 » ##### Also see: • Specialty Retail Dividend Stocks • Institutional Holders of BUYW • Cheap Energy Stocks Paying Dividends 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 - [IRON.US](https://longbridge.com/en/quote/IRON.US.md) - [NN.US](https://longbridge.com/en/quote/NN.US.md) - [MBI.US](https://longbridge.com/en/quote/MBI.US.md) - [.SPX.US](https://longbridge.com/en/quote/.SPX.US.md) - [NDAQ.US](https://longbridge.com/en/quote/NDAQ.US.md) - [NNAVW.US](https://longbridge.com/en/quote/NNAVW.US.md) ## Related News & Research - [Will FDA Bitopertin Rejection and New Legal Probe Change Disc Medicine's (IRON) Narrative?](https://longbridge.com/en/news/296452600.md) - [NextNav and Tiami Networks Partner to Protect Against Unmanned Aircraft System Threats | NN Stock News](https://longbridge.com/en/news/296825128.md) - [Does NextNav (NN) Shrinking Losses Offset Soft Sales In Its Path To Sustainable Scale?](https://longbridge.com/en/news/296279075.md) - [MBIA Enhances Transparency With Updated Quarterly Financial Disclosures](https://longbridge.com/en/news/295149477.md) - [Disc Medicine CEO John D. Quisel disposes of USD 2.63 million in common shares](https://longbridge.com/en/news/296276975.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**