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MRSN
Mersana Therapeutics, Inc. Common Stock
stock NASDAQ

At Close

Sep 15, 2025 3:59:30 PM EDT

7.17USD+0.420%(+0.03)30,172

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 15, 2025 8:48:30 AM EDT

7.15USD+0.140%(+0.01)100

After-hours

Sep 12, 2025 4:28:30 PM EDT

7.28USD+1.961%(+0.14)0

OverviewMax PainHistoricalExchangesShortsMore

MRSN Max Pain Summary

The max pain for MRSN on September 19th, 2025 is $0.50.

MRSN Option Chain Summary

	Calls		Puts		Max	P/C	Price vs.
Exp.	ITM	OTM	ITM	OTM	Pain¹	Ratio²	Max Pain
Sep 19, 2025	308	0	0	0	0.50	0.00	+1,334.00%
Nov 21, 2025	394	0	0	0	0.50	0.00	+1,334.00%
Jan 16, 2026	8,446	707	11	3,965	1.00	0.43	+617.00%
Feb 20, 2026	1,528	0	4	9	0.50	0.01	+1,334.00%
Totals	10,676 11,383 H	707	15 3,989 H	3,974		0.35

¹ Maximum pain is the strike price with the most open puts and calls and the price at which the stock would cause financial losses for the largest number of option holders at expiration. Investopedia

² In general, greater than 0.7 suggests bearish sentiment is building in the market; below 0.7 is considered a bullish indicator. Investopedia