Mereo BioPharma Group (MREO) Options Chain
NASDAQ: MREOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 96
- Share price
- $0.3499
- Put/call ratio (OI)
- 0.04
- Put/call ratio (volume)
- 0.13
- ATM implied volatility
- 181.3%
- Expected move
- ±$0.3253
- Open interest (C / P)
- 9.42K / 370
MREO options summary
The MREO options chain for the January 15, 2027 expiration lists 9 call and 6 put contracts, with 96 days until expiration. Open interest stands at 9,423 calls and 370 puts, a put/call ratio of 0.04, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $0.50 strike is 181.3%, which implies the market expects a move of about ±$0.3253 (93.0%) in Mereo BioPharma Group stock by expiration.
The most open interest sits at the $0.50 call (8.11K contracts) and the $1.50 put (164 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MREO options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.20 | 0.10 | 0.20 | 0.50 | 0.00 | 0.35 | 0.17 | |||||
| 0.05 | 0.00 | 0.15 | 1.00 | 0.00 | 1.00 | 0.60 | |||||
| 0.04 | 0.00 | 0.40 | 1.50 | 0.35 | 4.90 | 0.50 | |||||
| 0.03 | 0.00 | 0.05 | 2.00 | 0.20 | 4.90 | 1.65 | |||||
| 0.05 | 0.00 | 0.00 | 2.50 | 0.00 | 2.50 | 2.10 | |||||
| 0.12 | 0.00 | 0.00 | 3.00 | 0.00 | 2.90 | 2.60 | |||||
| 0.14 | 0.00 | 0.00 | 3.50 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 4.00 | — | — | — | |||||
| 0.05 | 0.00 | 5.00 | 4.50 | — | — | — | |||||
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 MREO put/call ratio?
For the January 15, 2027 expiration, the MREO put/call ratio based on open interest is 0.04 (370 puts vs 9,423 calls), and 0.13 based on today's volume. A ratio above 1 means more puts than calls.
What is MREO's implied volatility?
At-the-money implied volatility for MREO options expiring January 15, 2027 is about 181.3%, an annualized estimate of how much the market expects Mereo BioPharma Group stock to move.
How many MREO option expiration dates are there?
MREO has 6 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.