Mesoblast (MESO) Options Chain
NASDAQ: MESOHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
Market open · Delayed 15 min · as of Oct 8, 3:28 PM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $13.67
- Put/call ratio (OI)
- 0.90
- Put/call ratio (volume)
- 0.14
- Expected move
- ±$1.61
- Open interest (C / P)
- 2.32K / 2.08K
MESO options summary
The MESO options chain for the October 16, 2026 expiration lists 10 call and 9 put contracts, with 8 days until expiration. Open interest stands at 2,321 calls and 2,082 puts, a put/call ratio of 0.90, which is fairly balanced between calls and puts. At-the-money implied volatility near the $14.00 strike is 79.4%, which implies the market expects a move of about ±$1.61 (11.8%) in Mesoblast stock by expiration.
The most open interest sits at the $19.00 call (705 contracts) and the $14.00 put (1.53K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MESO options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 3.00 | 0.00 | 5.00 | 0.05 | |||||
| 8.00 | 3.10 | 8.00 | 10.00 | — | — | — | |||||
| — | — | — | 12.00 | 0.10 | 5.00 | 2.63 | |||||
| 3.12 | 2.00 | 6.50 | 13.00 | 0.10 | 0.70 | 0.35 | |||||
| 0.88 | 0.00 | 1.10 | 14.00 | 0.10 | 0.85 | 1.10 | |||||
| 0.20 | 0.10 | 2.00 | 15.00 | 0.10 | 5.00 | 1.50 | |||||
| 0.15 | 0.05 | 5.00 | 16.00 | 2.25 | 3.10 | 2.28 | |||||
| 0.15 | 0.00 | 1.50 | 17.00 | 1.00 | 6.00 | 2.60 | |||||
| 0.05 | 0.00 | 5.00 | 18.00 | 0.60 | 5.00 | 3.30 | |||||
| 2.20 | 0.00 | 5.00 | 19.00 | — | — | — | |||||
| 0.05 | 0.00 | 2.55 | 20.00 | — | — | — | |||||
| — | — | — | 30.00 | 11.20 | 16.00 | 13.00 | |||||
| 1.95 | 0.00 | 5.00 | 35.00 | — | — | — | |||||
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 MESO put/call ratio?
For the October 16, 2026 expiration, the MESO put/call ratio based on open interest is 0.90 (2,082 puts vs 2,321 calls), and 0.14 based on today's volume. A ratio above 1 means more puts than calls.
What is MESO's implied volatility?
At-the-money implied volatility for MESO options expiring October 16, 2026 is about 79.4%, an annualized estimate of how much the market expects Mesoblast stock to move.
How many MESO option expiration dates are there?
MESO has 5 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
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.