STERIS (Ireland) (STE) Options Chain
NYSE: STEHealth CareIndustrial SpecialtiesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $214.40
- Put/call ratio (OI)
- 1.27
- Put/call ratio (volume)
- 0.56
- Expected move
- ±$24.89
- Open interest (C / P)
- 11 / 14
STE options summary
The STE options chain for the November 20, 2026 expiration lists 3 call and 5 put contracts, with 40 days until expiration. Open interest stands at 11 calls and 14 puts, a put/call ratio of 1.27, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $210.00 strike is 35.1%, which implies the market expects a move of about ±$24.89 (11.6%) in STERIS (Ireland) stock by expiration.
The most open interest sits at the $220.00 call (6 contracts) and the $200.00 put (6 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
STE options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 170.00 | 0.00 | 1.00 | 0.70 | |||||
| — | — | — | 190.00 | 0.50 | 3.50 | 3.40 | |||||
| — | — | — | 200.00 | 2.90 | 3.30 | 3.15 | |||||
| 10.15 | 10.20 | 12.30 | 210.00 | — | — | — | |||||
| 4.70 | 4.60 | 6.70 | 220.00 | 9.90 | 11.70 | 16.95 | |||||
| 2.17 | 1.35 | 3.50 | 230.00 | 15.80 | 19.40 | 24.61 | |||||
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 STE put/call ratio?
For the November 20, 2026 expiration, the STE put/call ratio based on open interest is 1.27 (14 puts vs 11 calls), and 0.56 based on today's volume. A ratio above 1 means more puts than calls.
What is STE's implied volatility?
At-the-money implied volatility for STE options expiring November 20, 2026 is about 35.1%, an annualized estimate of how much the market expects STERIS (Ireland) stock to move.
How many STE option expiration dates are there?
STE has 4 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.