MSA Safety (MSA) Options Chain
NYSE: MSAHealth CareIndustrial SpecialtiesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
After hours: 180.71 -0.04%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $180.71
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.25
- Expected move
- ±$10.66
- Open interest (C / P)
- 81 / 2
MSA options summary
The MSA options chain for the October 16, 2026 expiration lists 5 call and 2 put contracts, with 7 days until expiration. Open interest stands at 81 calls and 2 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $180.00 strike is 42.6%, which implies the market expects a move of about ±$10.66 (5.9%) in MSA Safety stock by expiration.
The most open interest sits at the $190.00 call (78 contracts) and the $170.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MSA options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 170.00 | 0.00 | 4.90 | 1.10 | |||||
| — | — | — | 175.00 | 0.00 | 4.90 | 1.30 | |||||
| 6.70 | 0.50 | 4.90 | 180.00 | — | — | — | |||||
| 1.05 | 0.05 | 4.90 | 185.00 | — | — | — | |||||
| 0.05 | 0.00 | 4.90 | 190.00 | — | — | — | |||||
| 0.40 | 0.00 | 4.90 | 195.00 | — | — | — | |||||
| 0.03 | 0.00 | 2.50 | 200.00 | — | — | — | |||||
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 October 16, 2026 expiration, the MSA put/call ratio based on open interest is 0.02 (2 puts vs 81 calls), and 0.25 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 October 16, 2026 is about 42.6%, 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.