Bullish flow in Sunrun Inc ($RUN) today, with 132089 contracts trading and implied vol up 7.2 points to 109%. Shares near $13.95.

Total preliminary option volume of 70.0million today is 18% above recent average. Calls led puts 43.16M to 26.84M.

Option delistings effective 8/18 include Q32 Bio Inc ($QTTB), Hyperdynamics Corp ($HYPD), Bionano Genomics ($BNGO), Allurion Technologies Inc ($ALUR), Moxian (BVI) Inc ($ABTS), Spi Energy Co Ltd ($SPIEF), TVARDI THERAPEUTICS INC ($TVRD), and ZK International Group Ltd ($ZKIN).

Largest open interest increases among single stock options for 8/18 include $NVDA, $TSLA, $MSTR, $AAPL, and $INTC.

Unusually heavy option volume on today's open include $DAY, $MO, $FDS, $FSLR, and $BIIB.

Notable gainers among liquid option names this morning include $DAY (+26.5%), $FSLR (+8.5%), $EPAM (+4.9%), $TTD (+4.4%), and $LULU (+3.8%),

Bullish flow in BITFARMS LTD. ($BITF) today, with 50083 contracts trading and implied vol up 28.6 points to 139%. Shares near $1.37.

Total preliminary option volume of 48.4million today is 19% below recent average. Calls led puts 29.69M to 18.73M.

Largest open interest increases among single stock options for 8/19 include $INTC, $OPEN, $NVDA, $TSLA, and $WULF.

Unusually heavy option volume on today's open include $HD, $LHX, $PANW, $MDT, and $INTC.

Bullish flow in HIVE BLOCKCHAIN TECHNOLOGIES LTD. ($HIVE) today, with 19617 contracts trading and implied vol up 10.1 points to 136%. Shares near $2.42.

Notable gainers among liquid option names this morning include $INTC (+7.9%), $PANW (+4.7%), $PLD (+4.6%), $JBHT (+4.5%), and $BBY (+4.4%),

Bullish flow in Stratasys Ltd ($SSYS) today, with 17792 contracts trading and implied vol up 4.3 points to 45%. Shares near $10.60.

Total preliminary option volume of 58.1million today is 2% below recent average. Calls led puts 33.78M to 24.29M.

Largest open interest increases among single stock options for 8/20 include $NVDA, $INTC, $PLTR, $OPEN, and $AMD.

Unusually heavy option volume on today's open include $COO, $KEYS, $TJX, $NTAP, and $ADI.

Bullish flow in Annaly Capital Management Inc ($NLY) today, with 67712 contracts trading and implied vol up 2.0 points to 19%. Shares near $20.82.

Notable gainers among liquid option names this morning include $MDT (+4.5%), $TJX (+3.9%), $ADI (+3.0%), $JKHY (+3.0%), and $DAY (+2.4%),

Bullish flow in Hertz Global Holdings Inc ($HTZ) today, with 62807 contracts trading and implied vol up 13.6 points to 91%. Shares near $5.65.

Total preliminary option volume of 63.9million today is 9% above recent average. Calls led puts 35.40M to 28.50M.