Merit Medical Systems (MMSI) Options Chain
NASDAQ: MMSIHealth CareMedical/Dental InstrumentsUSD
Market open · Delayed 15 min · as of Oct 9, 9:30 AM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $86.23
- Put/call ratio (OI)
- 0.16
- Put/call ratio (volume)
- 0.38
- Expected move
- ±$0.3738
- Open interest (C / P)
- 280 / 45
MMSI options summary
The MMSI options chain for the October 16, 2026 expiration lists 8 call and 8 put contracts, with 7 days until expiration. Open interest stands at 280 calls and 45 puts, a put/call ratio of 0.16, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $85.00 strike is 3.1%, which implies the market expects a move of about ±$0.3738 (0.4%) in Merit Medical Systems stock by expiration.
The most open interest sits at the $90.00 call (213 contracts) and the $60.00 put (20 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MMSI options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 18.70 | 33.80 | 37.80 | 55.00 | 0.00 | 1.75 | 0.10 | |||||
| — | — | — | 60.00 | 0.00 | 2.20 | 0.50 | |||||
| 25.88 | 0.00 | 0.00 | 65.00 | 0.00 | 1.35 | 0.50 | |||||
| 16.00 | 17.80 | 21.60 | 70.00 | 0.00 | 2.30 | 0.55 | |||||
| 14.30 | 0.00 | 0.00 | 75.00 | 0.00 | 2.05 | 1.15 | |||||
| 6.89 | 0.00 | 0.00 | 80.00 | 0.00 | 0.00 | 0.30 | |||||
| — | — | — | 85.00 | 0.00 | 0.00 | 1.45 | |||||
| 0.10 | 0.00 | 0.00 | 90.00 | 0.00 | 0.00 | 2.60 | |||||
| 0.41 | 0.00 | 0.00 | 95.00 | — | — | — | |||||
| 1.82 | 0.00 | 0.00 | 100.00 | — | — | — | |||||
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 MMSI put/call ratio?
For the October 16, 2026 expiration, the MMSI put/call ratio based on open interest is 0.16 (45 puts vs 280 calls), and 0.38 based on today's volume. A ratio above 1 means more puts than calls.
What is MMSI's implied volatility?
At-the-money implied volatility for MMSI options expiring October 16, 2026 is about 3.1%, an annualized estimate of how much the market expects Merit Medical Systems stock to move.
How many MMSI option expiration dates are there?
MMSI 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.