22.91 USD
PREVIOUS CLOSE
CSTL Stock Premarket
Castle Biosciences, Inc. Common Stock
CSTLNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
📅 CSTL is expected to report earnings around Aug 3, 2026 after the close (estimated), with an estimated EPS of $-0.38. CSTL earnings details →
CSTL Premarket Chart
CSTL Premarket News
Gap Analytics — 5-year history, 5% minimum gap
No qualifying gap events found for CSTL.
Frequently Asked Questions
What is CSTL's premarket price?
No premarket activity has been recorded yet for CSTL today. The previous regular-session close was $22.91.
When does CSTL premarket trading start?
Premarket trading for CSTL on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
When does CSTL report earnings?
CSTL is expected to report earnings around Aug 3, 2026 after the close (estimated), with an estimated EPS of $-0.38.