Whale Moves | SPY $641 Put & VIX $15.50 Put Surge in Open Interest

Top 20 Stocks with Most Traded Options

SPDR S&P 500 ETF (SPY) saw a slight decline of 0.14% today. It had the highest option volume of 6.84M and an open interest of 20.12M. Notably, there was an increase in open interest for the $641 put expiring September 17, 2025, by 43.11K.

Invesco QQQ Trust (QQQ) decreased by 0.08%, with an option volume of 3.42M and open interest of 10.34M. There were no notable changes in open interest.

Tesla (TSLA) gained 2.82%, with option volume at 2.07M and open interest of 8.45M. There were no significant changes in open interest.

iShares Russell 2000 ETF (IWM) decreased by 0.16%, with an option volume matching Tesla at 2.07M and open interest at 12.96M. There were notable increases in open interest for the $245 call and $250 call, both expiring on September 18, 2025, which increased by 91.63K and 90.48K, respectively.

NVIDIA (NVDA) dropped by 1.61%, having an option volume of 1.32M and open interest of 20.05M. The $190 call expiring October 31, 2025, saw an increase in open interest by 26.98K.

Apple (AAPL) rose by 0.61%, with an option volume of 1.13M and open interest at 5.70M. No significant open interest changes were observed.

Opendoor Technologies (OPEN) faced a decline of 6.06%, trading with a volume of 892.16K and open interest of 3.25M. The $10.50 call and $8.50 put, both expiring on September 19, 2025, saw increases in open interest by 66.44K and 62.55K, respectively.

Oracle (ORCL) increased by 1.49%, with a trading volume of 756.81K and open interest of 1.47M. There were no significant open interest changes.

iShares Bitcoin Trust (IBIT) rose by 1.33%, with an option volume of 658.86K and an open interest of 5.98M. No notable open interest changes were noted.

Amazon (AMZN) saw a rise of 1.13%, with option volume at 619.21K and open interest at 4.10M. There were no notable open interest changes.

iShares Silver Trust (SLV) declined by 0.41%, with a trading volume of 617.03K and open interest of 6.39M. No significant open interest changes were found.

SPDR Gold ETF (GLD) increased by 0.20%, with an option volume of 568.94K and open interest of 4.74M. No notable changes in open interest occurred.

MARA Holdings (MARA) surged by 7.94%, supported by an option volume of 529.57K and open interest of 2.69M. No significant changes in open interest were observed.

iShares MSCI Emerging Markets ETF (EEM) rose by 0.74%, with an option volume of 517.79K and open interest of 7.70M. Open interest increased for the $53.50 and $54.50 calls, both expiring on October 3, 2025, by 59.42K and 59.40K, respectively.

JD.com (JD) saw a gain of 3.24%, with an option volume of 512.04K and open interest of 2.32M. No significant changes in open interest were observed.

Ishares Iboxx $ High Yield Corporate Bond ETF (HYG) slightly declined by 0.07%, with a trading volume of 501.80K and an open interest of 10.50M. Open interest for the $80 put expiring October 17, 2025, rose by 28.85K.

BigBear.ai Holdings (BBAI) saw a sharp increase of 16.70%, with option volume at 449.16K and open interest of 1.10M. There were no notable changes in open interest.

Alibaba (BABA) rose by 2.64%, with trading volumes reaching 426.00K and open interest of 2.94M. There were no significant changes in open interest.

Wolfspeed (WOLF) plummeted by 16.55%, with an option volume of 409.76K and open interest of 1.54M. No notable changes in open interest were observed.

SoFi Technologies (SOFI) decreased by 0.90%, with an option volume of 398.92K and open interest of 4.01M. There were no notable open interest changes.

Other Notable Moves

C3.ai (AI) saw its $17.50 call expiring November 21, 2025, increase in open interest by 45.72K, indicating heightened interest in this contract.

VIX experienced several open interest increases, notably for the $15.50 put expiring October 22, 2025, with an increase of 92.10K, and the $19.00 put expiring the same day, with an increase of 42.68K.