MKS (MKSI) Options Chain
NASDAQ: MKSIIndustrialsIndustrial Machinery/ComponentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Pre-market: 265.79 +0.49%
Expiration date
- Expiration
- Aug 20, 2027
- Days to expiration
- 312
- Share price
- $264.50
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.43
- Open interest (C / P)
- 6 / 0
MKSI options summary
The MKSI options chain for the August 20, 2027 expiration lists 25 call and 11 put contracts, with 312 days until expiration. Open interest stands at 6 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. The most open interest sits at the $410.00 call (3 contracts) and the $130.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MKSI options chain · August 20, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 132.48 | 0.00 | 0.00 | 130.00 | 0.00 | 0.00 | 6.40 | |||||
| — | — | — | 145.00 | 0.00 | 0.00 | 11.25 | |||||
| 115.00 | 0.00 | 0.00 | 160.00 | 0.00 | 0.00 | 14.69 | |||||
| 126.00 | 103.00 | 107.50 | 180.00 | — | — | — | |||||
| — | — | — | 185.00 | 0.00 | 0.00 | 22.30 | |||||
| — | — | — | 190.00 | 0.00 | 0.00 | 26.75 | |||||
| — | — | — | 210.00 | 0.00 | 0.00 | 25.10 | |||||
| 103.50 | 0.00 | 0.00 | 220.00 | — | — | — | |||||
| 52.90 | 0.00 | 0.00 | 250.00 | 0.00 | 0.00 | 54.09 | |||||
| 67.00 | 0.00 | 0.00 | 260.00 | — | — | — | |||||
| 61.90 | 0.00 | 0.00 | 270.00 | 0.00 | 0.00 | 46.16 | |||||
| 91.40 | 0.00 | 0.00 | 280.00 | 0.00 | 0.00 | 66.25 | |||||
| 46.30 | 0.00 | 0.00 | 290.00 | — | — | — | |||||
| 46.50 | 0.00 | 0.00 | 300.00 | 0.00 | 0.00 | 76.46 | |||||
| 39.50 | 0.00 | 0.00 | 310.00 | — | — | — | |||||
| — | — | — | 320.00 | 0.00 | 0.00 | 89.90 | |||||
| 39.00 | 0.00 | 0.00 | 330.00 | — | — | — | |||||
| 36.40 | 0.00 | 0.00 | 350.00 | — | — | — | |||||
| 61.10 | 0.00 | 0.00 | 380.00 | — | — | — | |||||
| 21.84 | 0.00 | 0.00 | 400.00 | — | — | — | |||||
| 52.50 | 21.50 | 26.50 | 410.00 | — | — | — | |||||
| 134.50 | 27.50 | 32.00 | 440.00 | — | — | — | |||||
| 95.50 | 67.00 | 71.00 | 470.00 | — | — | — | |||||
| 65.00 | 68.60 | 72.50 | 480.00 | — | — | — | |||||
| 10.70 | 0.00 | 0.00 | 490.00 | — | — | — | |||||
| 14.15 | 0.00 | 0.00 | 500.00 | — | — | — | |||||
| 9.70 | 0.00 | 0.00 | 540.00 | — | — | — | |||||
| 7.83 | 0.00 | 0.00 | 560.00 | — | — | — | |||||
| 26.26 | 0.00 | 0.00 | 600.00 | — | — | — | |||||
| 5.50 | 0.00 | 0.00 | 620.00 | — | — | — | |||||
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 MKSI put/call ratio?
For the August 20, 2027 expiration, the MKSI put/call ratio based on open interest is 0.00 (0 puts vs 6 calls), and 0.43 based on today's volume. A ratio above 1 means more puts than calls.
How many MKSI option expiration dates are there?
MKSI has 9 listed expiration dates, from Oct 16, 2026 to Nov 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.