U.S. stocks closed lower on Thursday(July 31) as early gains faded, following the latest round of corporate earnings and economic data.

Regarding the options market, a total volume of 58,753,436 contracts was traded on Thursday.

Top 10 Option Volumes

Top 10: NVDA; TSLA; AMZN; META; MSFT; AAPL; AMD; UNH; SOFI; HOOD

Shares of Tesla Motors fell 3.4% on Thursday.

A total number of 2.14 million options related to Tesla Motors were traded on Thursday, of which call options accounted for 59%. Particularly high volume was seen for the $320 strike call option expiring Aug 1, with 138,089 contracts trading. $TSLA 20250801 320.0 CALL$

Meta Platforms, Inc. stock soared 11% on Thursday after the Facebook parent company reported second-quarter results that easily beat expectations, with revenue growth accelerating. Meta also gave a strong sales forecast and slightly upped its outlook for total spending, as it ramps up its generative AI initiatives.

A total number of 1.25 million options related to Meta Platforms, Inc. were traded on Thursday, of which call options accounted for 58%. Particularly high volume was seen for the $800 strike call option expiring Aug 1, with 63,797 contracts trading. $META 20250801 800.0 CALL$

Unusual Options Activity

APPLIED DIGITAL CORP's stock soared 31% as CoreWeave significantly expanded its computing lease amid booming demand from AI giants.

A total number of 427.86K options related to APPLIED DIGITAL CORP were traded on Thursday, of which call options accounted for 77%. Particularly high volume was seen for the $14 strike call option expiring Aug 1, with 28,035 contracts trading. $APLD 20250801 14.0 CALL$

TOP Bullish & Bearish Single Stocks

This report shows stocks with the highest volume of bullish and bearish activity by option delta volume, which converts option volume to an equivalent stock volume (bought or sold).

If we take the total positive option delta volume and subtract the total negative option delta volume, we will get the net imbalance. If the net imbalance is positive, there is more bullish pressure. If the net is negative, there is more bearish pressure.

Based on option delta volume, traders sold a net equivalent of -969,905 shares of UnitedHealth stock. The largest bearish delta came from buying puts. The largest delta volume came from the 01-Aug-25 300 Put, with traders getting short 795,848 deltas on the single option contract.

Top 10 bullish stocks: WDC; BAX; META; PYPL; APLD; AMZN; SOFI; VRT; CMPS; TSM

Top 10 bearish stocks: CRWV; MRVL; GOOGL; UNH; RIOT; INTC; TSLA; GOOG; CRCL; AAPL

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