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 21, 2028
- Days to expiration
- 467
- Share price
- $0.3499
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.10
- ATM implied volatility
- 237.5%
- Expected move
- ±$0.94
- Open interest (C / P)
- 6.52K / 106
MREO options summary
The MREO options chain for the January 21, 2028 expiration lists 9 call and 7 put contracts, with 467 days until expiration. Open interest stands at 6,517 calls and 106 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $0.50 strike is 237.5%, which implies the market expects a move of about ±$0.94 (268.6%) in Mereo BioPharma Group stock by expiration.
The most open interest sits at the $0.50 call (3.68K contracts) and the $2.00 put (54 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MREO options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.21 | 0.20 | 0.35 | 0.50 | 0.00 | 5.00 | 0.30 | |||||
| 0.16 | 0.15 | 0.25 | 1.00 | 0.50 | 1.00 | 0.75 | |||||
| 0.20 | 0.00 | 5.00 | 1.50 | 0.00 | 1.50 | 1.20 | |||||
| 0.14 | 0.00 | 0.20 | 2.00 | 0.00 | 5.00 | 1.75 | |||||
| 0.12 | 0.00 | 0.20 | 2.50 | 0.00 | 2.50 | 2.29 | |||||
| 0.13 | 0.00 | 5.00 | 3.00 | — | — | — | |||||
| 0.12 | 0.00 | 5.00 | 3.50 | 0.50 | 5.50 | 3.25 | |||||
| 0.26 | 0.00 | 0.00 | 4.00 | 1.00 | 6.00 | 3.90 | |||||
| 0.10 | 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 21, 2028 expiration, the MREO put/call ratio based on open interest is 0.02 (106 puts vs 6,517 calls), and 0.10 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 21, 2028 is about 237.5%, 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.