STERIS (Ireland) (STE) Options Chain
NYSE: STEHealth CareIndustrial SpecialtiesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 69
- Share price
- $214.40
- Put/call ratio (OI)
- 0.25
- Put/call ratio (volume)
- 4.50
- Expected move
- ±$27.65
- Open interest (C / P)
- 531 / 132
STE options summary
The STE options chain for the December 18, 2026 expiration lists 13 call and 18 put contracts, with 69 days until expiration. Open interest stands at 531 calls and 132 puts, a put/call ratio of 0.25, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $210.00 strike is 29.7%, which implies the market expects a move of about ±$27.65 (12.9%) in STERIS (Ireland) stock by expiration.
The most open interest sits at the $270.00 call (330 contracts) and the $190.00 put (58 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
STE options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 75.80 | 78.40 | 81.10 | 130.00 | 0.00 | 0.75 | 0.55 | |||||
| — | — | — | 135.00 | 0.00 | 1.60 | 1.40 | |||||
| — | — | — | 140.00 | 0.40 | 3.20 | 1.70 | |||||
| — | — | — | 145.00 | 0.35 | 2.30 | 1.55 | |||||
| — | — | — | 150.00 | 0.00 | 1.10 | 1.40 | |||||
| — | — | — | 155.00 | 1.10 | 3.90 | 2.30 | |||||
| — | — | — | 160.00 | 0.00 | 2.00 | 0.75 | |||||
| — | — | — | 165.00 | 0.70 | 4.90 | 2.65 | |||||
| — | — | — | 170.00 | 1.60 | 5.50 | 3.50 | |||||
| 34.10 | 39.10 | 42.40 | 175.00 | — | — | — | |||||
| — | — | — | 180.00 | 0.00 | 3.10 | 3.10 | |||||
| 28.43 | 26.20 | 29.40 | 190.00 | 1.75 | 2.75 | 2.25 | |||||
| — | — | — | 195.00 | 2.55 | 3.70 | 4.68 | |||||
| — | — | — | 200.00 | 3.90 | 4.90 | 6.10 | |||||
| 11.50 | 12.20 | 13.90 | 210.00 | 6.90 | 8.20 | 11.00 | |||||
| 25.40 | 13.80 | 17.10 | 220.00 | 0.00 | 0.00 | 6.10 | |||||
| 3.50 | 3.50 | 4.60 | 230.00 | 0.00 | 0.00 | 9.40 | |||||
| 2.00 | 0.15 | 2.40 | 240.00 | — | — | — | |||||
| 0.50 | 0.40 | 1.25 | 250.00 | — | — | — | |||||
| 0.95 | 0.00 | 2.40 | 260.00 | — | — | — | |||||
| 1.65 | 0.00 | 0.75 | 270.00 | — | — | — | |||||
| 0.25 | 0.00 | 0.75 | 280.00 | 42.20 | 44.80 | 68.00 | |||||
| 1.35 | 0.00 | 1.15 | 290.00 | — | — | — | |||||
| 1.30 | 0.10 | 1.25 | 300.00 | — | — | — | |||||
| — | — | — | 320.00 | 0.00 | 0.00 | 98.20 | |||||
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 December 18, 2026 expiration, the STE put/call ratio based on open interest is 0.25 (132 puts vs 531 calls), and 4.50 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 December 18, 2026 is about 29.7%, 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.