This whale alert can help traders discover the next big trading opportunities.

Whales are entities with large sums of money and we track their transactions here at Benzinga on our options activity scanner.

Traders will search for circumstances when the market estimation of an option diverges heavily from its normal worth. High amounts of trading activity could push option prices to exaggerated or underestimated levels.

Here's the list of options activity happening in today's session:

Symbol PUT/CALL Trade Type Sentiment Exp. Date Strike Price Total Trade Price Open Interest Volume
IOVA CALL TRADE NEUTRAL 01/15/27 $8.00 $85.0K 7.9K 3.0K
NKTR PUT SWEEP BULLISH 08/21/26 $65.00 $111.1K 1.0K 800
AGIO CALL TRADE BEARISH 02/19/27 $30.00 $252.0K 1.2K 551
GKOS PUT TRADE BEARISH 08/21/26 $145.00 $75.6K 4 400
ABVX CALL TRADE BULLISH 07/24/26 $100.00 $168.9K 346 307
SLS CALL SWEEP BULLISH 01/15/27 $5.00 $29.6K 64.7K 255
HUM PUT SWEEP BULLISH 09/18/26 $300.00 $25.5K 356 185
UNH CALL TRADE BEARISH 12/18/26 $470.00 $111.5K 922 173
MRK CALL SWEEP NEUTRAL 12/18/26 $140.00 $61.3K 2.3K 133
REGN PUT TRADE BEARISH 07/31/26 $670.00 $103.8K 4 51

Explanation

These itemized elaborations have been created using the accompanying table.

• Regarding IOVA (NASDAQ:IOVA), we observe a call option trade with neutral sentiment. It expires in 178 day(s) on January 15, 2027. Parties traded 1000 contract(s) at a $8.00 strike. The total cost received by the writing party (or parties) was $85.0K, with a price of $85.0 per contract. There were 7953 open contracts at this strike prior to today, and today 3094 contract(s) were bought and sold.

• Regarding NKTR (NASDAQ:NKTR), we observe a put option sweep with bullish sentiment. It expires in 31 day(s) on August 21, 2026. Parties traded 308 contract(s) at a $65.00 strike. This particular put needed to be split into 7 different trades to become filled. The total cost received by the writing party (or parties) was $111.1K, with a price of $360.0 per contract. There were 1020 open contracts at this strike prior to today, and today 800 contract(s) were bought and sold.

• For AGIO (NASDAQ:AGIO), we notice a call option trade that happens to be bearish, expiring in 213 day(s) on February 19, 2027. This event was a transfer of 200 contract(s) at a $30.00 strike. The total cost received by the writing party (or parties) was $252.0K, with a price of $1260.0 per contract. There were 1259 open contracts at this strike prior to today, and today 551 contract(s) were bought and sold.

• Regarding GKOS (NYSE:GKOS), we observe a put option trade with bearish sentiment. It expires in 31 day(s) on August 21, 2026. Parties traded 87 contract(s) at a $145.00 strike. The total cost received by the writing party (or parties) was $75.6K, with a price of $870.0 per contract. There were 4 open contracts at this strike prior to today, and today 400 contract(s) were bought and sold.

• For ABVX (NASDAQ:ABVX), we notice a call option trade that happens to be bullish, expiring in 3 day(s) on July 24, 2026. This event was a transfer of 50 contract(s) at a $100.00 strike. The total cost received by the writing party (or parties) was $168.9K, with a price of $3380.0 per contract. There were 346 open contracts at this strike prior to today, and today 307 contract(s) were bought and sold.

• For SLS (NASDAQ:SLS), we notice a call option sweep that happens to be bullish, expiring in 178 day(s) on January 15, 2027. This event was a transfer of 32 contract(s) at a $5.00 strike. This particular call needed to be split into 4 different trades to become filled. The total cost received by the writing party (or parties) was $29.6K, with a price of $920.0 per contract. There were 64750 open contracts at this strike prior to today, and today 255 contract(s) were bought and sold.

• Regarding HUM (NYSE:HUM), we observe a put option sweep with bullish sentiment. It expires in 59 day(s) on September 18, 2026. Parties traded 71 contract(s) at a $300.00 strike. This particular put needed to be split into 23 different trades to become filled. The total cost received by the writing party (or parties) was $25.5K, with a price of $360.0 per contract. There were 356 open contracts at this strike prior to today, and today 185 contract(s) were bought and sold.

• Regarding UNH (NYSE:UNH), we observe a call option trade with bearish sentiment. It expires in 150 day(s) on December 18, 2026. Parties traded 50 contract(s) at a $470.00 strike. The total cost received by the writing party (or parties) was $111.5K, with a price of $2230.0 per contract. There were 922 open contracts at this strike prior to today, and today 173 contract(s) were bought and sold.

• Regarding MRK (NYSE:MRK), we observe a call option sweep with neutral sentiment. It expires in 150 day(s) on December 18, 2026. Parties traded 129 contract(s) at a $140.00 strike. This particular call needed to be split into 9 different trades to become filled. The total cost received by the writing party (or parties) was $61.3K, with a price of $477.0 per contract. There were 2317 open contracts at this strike prior to today, and today 133 contract(s) were bought and sold.

• Regarding REGN (NASDAQ:REGN), we observe a put option trade with bearish sentiment. It expires in 10 day(s) on July 31, 2026. Parties traded 49 contract(s) at a $670.00 strike. The total cost received by the writing party (or parties) was $103.8K, with a price of $2120.0 per contract. There were 4 open contracts at this strike prior to today, and today 51 contract(s) were bought and sold.

Options Alert Terminology
- Call Contracts: The right to buy shares as indicated in the contract.
- Put Contracts: The right to sell shares as indicated in the contract.
- Expiration Date: When the contract expires. One must act on the contract by this date if one wants to use it.
- Premium/Option Price: The price of the contract.

For more information, read more about unusual options activity.

This article was generated by Benzinga's automated content engine and reviewed by an editor.