OSI Systems (OSIS) Options Chain
NASDAQ: OSISTechnologySemiconductorsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $194.91
- Put/call ratio (OI)
- 7.33
- Expected move
- ±$33.10
- Open interest (C / P)
- 3 / 22
OSIS options summary
The OSIS options chain for the November 20, 2026 expiration lists 3 call and 3 put contracts, with 40 days until expiration. Open interest stands at 3 calls and 22 puts, a put/call ratio of 7.33, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $195.00 strike is 51.3%, which implies the market expects a move of about ±$33.10 (17.0%) in OSI Systems stock by expiration.
The most open interest sits at the $175.00 call (1 contracts) and the $155.00 put (20 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
OSIS options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 155.00 | 0.25 | 4.10 | 1.32 | |||||
| 22.80 | 22.00 | 26.10 | 175.00 | — | — | — | |||||
| — | — | — | 195.00 | 9.20 | 13.40 | 10.80 | |||||
| — | — | — | 200.00 | 12.50 | 16.50 | 13.25 | |||||
| 10.82 | 4.00 | 7.30 | 210.00 | — | — | — | |||||
| 7.70 | 1.50 | 5.00 | 220.00 | — | — | — | |||||
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 OSIS put/call ratio?
For the November 20, 2026 expiration, the OSIS put/call ratio based on open interest is 7.33 (22 puts vs 3 calls). A ratio above 1 means more puts than calls.
What is OSIS's implied volatility?
At-the-money implied volatility for OSIS options expiring November 20, 2026 is about 51.3%, an annualized estimate of how much the market expects OSI Systems stock to move.
How many OSIS option expiration dates are there?
OSIS has 5 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.