TradesViz
"$24.81B traded across 1,316 symbols, a quiet session at 0.82x normal, calls took 65% of it against a usual 58%. 197 symbols traded at 3x its own normal or more. Net buying in 619 symbols against net selling in 677. The ten largest books were 72% of all premium." This is part of your options flow dashboard in TradesViz. With this much useful and actionable info, your options trading becomes so much easier 😌