Mersana Therapeutics Inc.

NASDAQ: MRSN · Real-Time Price · USD
7.13
-0.29 (-3.91%)
At close: Aug 15, 2025, 2:37 PM

MRSN Option Overview

Overview for all option chains of MRSN. As of August 15, 2025, MRSN options have an IV of 500% and an IV rank of 120.18%. The volume is 0 contracts, which is n/a of average daily volume of 81 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
500%
IV Rank
120.18%
Historical Volatility
117.62%
IV Low
114.05% on Sep 12, 2024
IV High
435.21% on Aug 14, 2025

Open Interest (OI)

Today's Open Interest
7,638
Put-Call Ratio
0.03
Put Open Interest
206
Call Open Interest
7,432
Open Interest Avg (30-day)
7,281
Today vs Open Interest Avg (30-day)
104.9%

Option Volume

Today's Volume
0
Put-Call Ratio
0
Put Volume
0
Call Volume
0
Volume Avg (30-day)
81
Today vs Volume Avg (30-day)
n/a

Option Chain Statistics

This table provides a comprehensive overview of all MRSN options grouped by their expiration dates.

Expiration Call Vol Put Vol P/C Vol Call OI Put OI P/C OI Implied Volatility Max Pain
Aug 15, 2025 0 0 0 1,577 136 0.09 500% 0.5
Sep 19, 2025 0 0 0 105 0 0 372.19% 0.5
Nov 21, 2025 0 0 0 249 0 0 306.08% 0.5
Jan 16, 2026 0 0 0 4,836 58 0.01 280.85% 0.5
Feb 20, 2026 0 0 0 665 12 0.02 239.47% 0.5