Mersana Therapeutics Inc. (MRSN)
NASDAQ: MRSN
· Real-Time Price · USD
8.28
0.28 (3.50%)
At close: Oct 03, 2025, 3:59 PM
8.11
-2.05%
After-hours: Oct 03, 2025, 06:33 PM EDT
MRSN Open Interest Chart
Open interest breakdown by expiration date for MRSN
options contracts. Displaying data for 3
active expiration dates with future expiry.
Total open interest across all expiries is
5,820
contracts, with 5,750
call contracts and
70 put contracts.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Nov 21, 2025 | 249 | 0 | 0.00 |
| Jan 16, 2026 | 4,836 | 58 | 0.01 |
| Feb 20, 2026 | 665 | 12 | 0.02 |