Notable Friday Option Activity: ZBIO, TECH, OMER
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AAPL TSLA AMZN META AMD NVDA PEP COST ADBE GOOG AMGN HON INTC INTU NFLX ADP SBUX MRNA AAPL TSLA AMZN META AMD NVDA PEP COST ADBE GOOG AMGN HON INTC INTU NFLX ADP SBUX MRNA AAPL TSLA AMZN META AMD NVDA PEP COST ADBE GOOG AMGN HON INTC INTU NFLX ADP SBUX MRNA Markets Notable Friday Option Activity: ZBIO, TECH, OMER December 19, 2025 — 03:30 pm EST Written by BNK Invest for BNK Invest-> Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Zenas Biopharma Inc (Symbol: ZBIO), where a total of 1,680 contracts have traded so far, representing approximately 168,000 underlying shares. That amounts to about 55.5% of ZBIO's average daily trading volume over the past month of 302,680 shares. Especially high volume was seen for the $20 strike put option expiring May 15, 2026, with 1,604 contracts trading so far today, representing approximately 160,400 underlying shares of ZBIO. Below is a chart showing ZBIO's trailing twelve month trading history, with the $20 strike highlighted in orange: Bio-Techne Corp (Symbol: TECH) options are showing a volume of 10,193 contracts thus far today. That number of contracts represents approximately 1.0 million underlying shares, working out to a sizeable 55.3% of TECH's average daily trading volume over the past month, of 1.8 million shares. Particularly high volume was seen for the $60 strike put option expiring January 16, 2026, with 5,000 contracts trading so far today, representing approximately 500,000 underlying shares of TECH. Below is a chart showing TECH's trailing twelve month trading history, with the $60 strike highlighted in orange: And Omeros Corp (Symbol: OMER) saw options trading volume of 7,979 contracts, representing approximately 797,900 underlying shares or approximately 54.8% of OMER's average daily trading volume over the past month, of 1.5 million shares. Particularly high volume was seen for the $12 strike call option expiring December 19, 2025, with 1,321 contracts trading so far today, representing approximately 132,100 underlying shares of OMER. Below is a chart showing OMER's trailing twelve month trading history, with the $12 strike highlighted in orange: For the various different available expirations for ZBIO options, TECH options, or OMER options, visit StockOptionsChannel.com. Today's Most Active Call & Put Options of the S&P 500 » Also see: DGRE Dividend History SEPZ Videos ALNT market cap history The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc. Tags MarketsStocksOptions BNK Invest BNK Invest Inc. provides investment services and information. BNK Invest owns and operates a market news family of websites including DividendChannel, ETFChannel, StockOptionsChannel, and others, which make up an investor community featuring stock message boards, ratings, research, and strategies. BNK Invest caters to investing firms and individual investors internationally. DGRE Dividend History-> SEPZ Videos-> ALNT market cap history-> More articles by this source-> Stocks mentioned TECH OMER More Related Articles This data feed is not available at this time. Data is currently not available • Sign up for the TradeTalks newsletter to receive your weekly dose of trading news, trends and education. Delivered Wednesdays.