TWST Unusual Option Activity
Twist Bioscience Corporation (TWST) option volume on Nov 4, 2026 was 0.7% of open interest, well below the 20-day average of 10.7%. Calls made up 69.7% of the volume. Relative to open interest, that was TWST's least active day in 12 weeks.
TWST Unusual Options FAQ
What makes option activity unusual?
Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.
Is TWST seeing unusual options activity?
On Nov 4, 2026, Twist Bioscience options traded 195 contracts against 26.0K open, a volume to open interest ratio of 0.01, well below its 20-day average. The table above lists the contracts with the highest ratios.
Are TWST traders trading more calls or puts?
Calls made up 69.7% of Twist Bioscience option volume on Nov 4, 2026, a put/call ratio of 0.43, so calls outnumber puts. The TWST option volume chart shows calls and puts by strike.
What is Twist Bioscience Corporation?
Twist Bioscience Corp is a synthetic biology company that has developed a disruptive DNA synthesis platform to industrialize the engineering of biology.