Milestone Pharmaceuticals (MIST) Options Chain
NASDAQ: MISTHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $0.765
- Put/call ratio (OI)
- 0.07
- Put/call ratio (volume)
- 0.50
- ATM implied volatility
- 232.8%
- Expected move
- ±$0.7687
- Open interest (C / P)
- 7.49K / 519
MIST options summary
The MIST options chain for the December 18, 2026 expiration lists 7 call and 5 put contracts, with 68 days until expiration. Open interest stands at 7,485 calls and 519 puts, a put/call ratio of 0.07, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.00 strike is 232.8%, which implies the market expects a move of about ±$0.7687 (100.5%) in Milestone Pharmaceuticals stock by expiration.
The most open interest sits at the $1.50 call (3.27K contracts) and the $1.00 put (398 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MIST options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.33 | 0.00 | 0.60 | 0.50 | 0.00 | 0.65 | 0.07 | |||||
| 0.10 | 0.10 | 0.20 | 1.00 | 0.05 | 1.05 | 0.31 | |||||
| 0.05 | 0.00 | 0.20 | 1.50 | 0.30 | 1.30 | 0.61 | |||||
| 0.05 | 0.00 | 0.15 | 2.00 | 0.00 | 0.00 | 0.95 | |||||
| 0.05 | 0.00 | 0.15 | 2.50 | 1.25 | 2.25 | 1.50 | |||||
| 0.05 | 0.00 | 0.75 | 5.00 | — | — | — | |||||
| 0.01 | 0.00 | 0.15 | 7.50 | — | — | — | |||||
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 MIST put/call ratio?
For the December 18, 2026 expiration, the MIST put/call ratio based on open interest is 0.07 (519 puts vs 7,485 calls), and 0.50 based on today's volume. A ratio above 1 means more puts than calls.
What is MIST's implied volatility?
At-the-money implied volatility for MIST options expiring December 18, 2026 is about 232.8%, an annualized estimate of how much the market expects Milestone Pharmaceuticals stock to move.
How many MIST option expiration dates are there?
MIST 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.