The S&P 500 and Nasdaq fell on Thursday(July 20), weighed down by drops in Tesla and Netflix following their quarterly results. Regarding the options market, a total volume of 44,774,900 contracts was traded, up 4% from the previous trading day. Top 10 Option Volumes Top 10: $SPY(SPY)$; $QQQ(QQQ)$; $Tesla(TSLA)$; $Apple(AAPL)$; $Nvidia(NVDA)$; $Advanced Micro Devices(AMD)$ ; $Cboe Volatility Index(VIX)$ ; $Amazon.com(AMZN)$ ; $iShares MSCI Emerging Markets ETF(EEM)$ ; $IWM(IWM)$; Source: Tiger Trade App Tesla's shares tumbled 9.74%, its biggest one-day percentage drop since April 20, after the electric-vehicle maker reported a drop in its second-quarter gross margins to a four-year low and CEO Elon Musk hinted at more price cuts. A total number of 4.21M options related to Apple was traded, up 103% from the previous trading day. Call options account for 64% of overall option trades. A particularly high trading volume was seen for the $275 strike call options expiring July 21, with a total number of 190,347 option contracts trading on Thursday.$TSLA 20230721 275.0 CALL$ Most Active Equity Options Special %Calls >70%: $Alibaba(BABA)$ ; $Rivian Automotive, Inc.(RIVN)$ ; $Sirius XM(SIRI)$ ; $Johnson & Johnson(JNJ)$ ; $Alphabet(GOOGL)$ Data From CBOE Trader Alert, as of 21 July 2023 EDT Unusual Options Activity Source: Market Chameleon Netflix slumped 8.41% to suffer its biggest one-day percentage decline since December 15, after the streaming video company's quarterly revenue fell short of estimates. A total number of 581,451 options related to Netflix was traded. Call options account for 59% of overall option trades. A particularly high trading volume was seen for the $450 strike call options expiring July 21, with a total number of 24,274 option contracts trading on Thursday.$NFLX 20230721 450.0 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 -5,685,170 shares of Apple stock. The largest bearish delta came from selling calls. The largest delta volume came from the 21-Jul-23 195 Call, with traders getting short 6,848,586 deltas on the single option contract. $AAPL 20230721 195.0 CALL$ Top 10 bullish stocks: AMZN, JNJ, ATVI, DOW, FCX, UAL, CSCO, ABBV, CVS, F Top 10 bearish stocks: AAPL, BAC, INTC, TSLA, CMA, NFLX, XOM, AMD, META, NVDA Source: Market Chameleon If you are interested in options and you want to: Share experiences and ideas on options trading. Read options-related market updates/insights. Learn more about options trading if you are a beginner in this field. Please click to join Tiger Options Club $(TSLA)$ $(NFLX)$