Whale Moves | Opendoor Calls and HYG Puts Lead Surge in Option Open Interest

【Top 20 Stocks with Most Traded Options】

The most traded option today is SPDR S&P 500 ETF (SPY), which saw a rise of 0.42% with an option volume of 6.44 million and an open interest of 17.92 million.

Invesco QQQ Trust (QQQ) comes in second, gaining 0.40% with an option volume of 3.57 million and an open interest of 9.15 million. There was also a notable increase in open interest for the $550 put expiring September 5, 2025, with an addition of 37.54K contracts.

NVIDIA (NVDA) climbed 1.09% with an option volume of 1.49 million and an open interest of 18.85 million. Noteworthy is the open interest increase for the $200 call expiring December 19, 2025, with an addition of 21.86K contracts.

Tesla (TSLA) experienced a 1.46% increase, with an option volume of 1.42 million and an open interest of 7.63 million.

iShares Russell 2000 ETF (IWM) rose by 0.83%, with an option volume of 1.16 million and an open interest of 11.93 million. The $222 put expiring September 19, 2025, saw an increase in open interest by 41.52K contracts.

Opendoor Technologies (OPEN) gained 3.52%, with an option volume of 1.04 million and an open interest of 2.71 million. Various call options, such as the $5.50, $5.00, and $7.00 calls expiring August 29, 2025, saw an increase in open interest by 34.55K, 28.81K, and 25.38K contracts respectively. Additionally, the $5.00 put of the same expiration increased by 25.06K contracts.

Palantir (PLTR) rose by 2.35%, with an option volume of 756.81K and an open interest of 3.66 million.

Advanced Micro Devices (AMD) saw a 2.00% increase, with an option volume of 688.90K and an open interest of 3.79 million.

NIO Inc (NIO) surged 10.02%, with an option volume of 556.72K and an open interest of 4.19 million.

Apple (AAPL) went up 0.95%, with an option volume of 550.27K and an open interest of 5.52 million. There was also a notable rise in open interest for the $230 call expiring September 12, 2025, with an addition of 24.82K contracts.

iShares Bitcoin Trust (IBIT) gained 0.35%, with an option volume of 550.00K and an open interest of 4.90 million.

SoFi Technologies (SOFI) declined by 2.03%, with an option volume of 448.92K and an open interest of 3.68 million.

Intel (INTC) decreased by 0.81%, with an option volume of 428.93K and an open interest of 6.39 million.

iShares Ethereum Trust ETF (ETHA) rose by 4.10%, with an option volume of 347.12K and an open interest of 1.94 million.

Microsoft (MSFT) fell by 0.44%, with an option volume of 316.57K and an open interest of 2.24 million.

SPDR Gold ETF (GLD) increased by 0.73%, with an option volume of 296.41K and an open interest of 3.26 million.

iShares 20+ Year Treasury Bond ETF (TLT) had a marginal decline of 0.06%, with an option volume of 276.33K and an open interest of 5.65 million.

KraneShares CSI China Internet ETF (KWEB) saw a minor increase of 0.03%, with an option volume of 270.20K and an open interest of 2.36 million.

Robinhood (HOOD) increased by 0.80%, with an option volume of 250.13K and an open interest of 2.23 million.

Alphabet-A (GOOGL) decreased by 0.65%, with an option volume of 245.18K and an open interest of 3.42 million.

【Other Notable Moves】

iShares iBoxx $ High Yield Corporate Bond ETF (HYG) had significant open interest increases in various puts, including the $76 and $79 puts expiring October 17, 2025, with rises of 62.16K and 57.37K contracts, respectively. Additionally, the $80 put of the same expiration saw an increase by 23.86K contracts.

GoPro (GPRO) saw a substantial open interest increase for the $2 call expiring April 17, 2026, with an addition of 55.13K contracts.

Transocean Ltd. (RIG) experienced a notable open interest rise for the $3.50 call expiring October 17, 2025, with an increase of 36.65K contracts.

American Airlines (AAL) had an open interest increase in the $14 call expiring November 21, 2025, by 39.42K contracts.

American Eagle Outfitters (AEO) saw an open interest increase for the $9.50 put expiring September 19, 2025, by 35.05K contracts.

State Street Corporation (STT) witnessed a rise in open interest for the $125 call expiring September 19, 2025, by 19.91K contracts.