MSA Safety (MSA) Options Chain

NYSE: MSAHealth CareIndustrial SpecialtiesUSD

180.71+2.61 (+1.47%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 159
Share price: $180.71
Put/call ratio (OI): 0.85
Put/call ratio (volume): 5.00
ATM implied volatility: 27.8%
Expected move: ±$33.12
Open interest (C / P): 39 / 33

MSA options summary

The MSA options chain for the March 19, 2027 expiration lists 6 call and 10 put contracts, with 159 days until expiration. Open interest stands at 39 calls and 33 puts, a put/call ratio of 0.85, which is fairly balanced between calls and puts. At-the-money implied volatility near the $185.00 strike is 27.8%, which implies the market expects a move of about ±$33.12 (18.3%) in MSA Safety stock by expiration.

The most open interest sits at the $200.00 call (15 contracts) and the $175.00 put (10 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

MSA options chain · March 19, 2027

MSA calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	120.00	0.00	4.80	1.35	61.2%	—	1
—	—	—	—	—	—	125.00	0.00	4.80	1.65	56.6%	—	1
—	—	—	—	—	—	130.00	0.00	4.80	2.10	52.3%	—	1
—	—	—	—	—	—	135.00	0.00	4.90	1.35	48.4%	1	2
—	—	—	—	—	—	140.00	0.05	4.90	1.70	44.3%	1	3
—	—	—	—	—	—	145.00	0.00	4.90	2.15	40.2%	1	2
—	—	—	—	—	—	150.00	0.10	4.90	2.20	36.1%	1	2
—	—	—	—	—	—	155.00	1.00	5.50	2.75	33.9%	1	1
1	—	33.7%	21.30	17.00	21.50	170.00	—	—	—	—	—	—
—	—	—	—	—	—	175.00	6.10	10.00	7.01	27.0%	—	10
MSA $180.71
10	—	30.2%	15.82	8.30	12.50	185.00	10.50	14.50	10.75	25.4%	—	10
10	—	28.9%	10.90	4.50	8.30	195.00	—	—	—	—	—	—
15	—	29.5%	5.00	3.00	7.10	200.00	—	—	—	—	—	—
1	—	29.8%	2.30	0.00	3.30	220.00	—	—	—	—	—	—
2	1	38.9%	1.30	0.00	4.90	230.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the MSA put/call ratio?

For the March 19, 2027 expiration, the MSA put/call ratio based on open interest is 0.85 (33 puts vs 39 calls), and 5.00 based on today's volume. A ratio above 1 means more puts than calls.

What is MSA's implied volatility?

At-the-money implied volatility for MSA options expiring March 19, 2027 is about 27.8%, an annualized estimate of how much the market expects MSA Safety stock to move.

How many MSA option expiration dates are there?

MSA has 3 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.