Cerus (CERS) Options Chain
NASDAQ: CERSHealth CareMedical/Dental InstrumentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Feb 19, 2027
- Days to expiration
- 131
- Share price
- $2.30
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 2.00
- ATM implied volatility
- 100.8%
- Expected move
- ±$1.39
- Open interest (C / P)
- 952 / 2
CERS options summary
The CERS options chain for the February 19, 2027 expiration lists 8 call and 2 put contracts, with 131 days until expiration. Open interest stands at 952 calls and 2 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 100.8%, which implies the market expects a move of about ±$1.39 (60.4%) in Cerus stock by expiration.
The most open interest sits at the $3.00 call (766 contracts) and the $2.00 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CERS options chain · February 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.85 | 1.35 | 2.25 | 0.50 | — | — | — | |||||
| 2.02 | 0.00 | 0.00 | 1.00 | — | — | — | |||||
| 1.10 | 0.40 | 1.35 | 1.50 | — | — | — | |||||
| 0.80 | 0.10 | 1.00 | 2.00 | 0.00 | 1.00 | 0.28 | |||||
| 0.15 | 0.10 | 0.25 | 3.00 | 0.00 | 0.00 | 0.85 | |||||
| 0.35 | 0.00 | 0.00 | 4.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.90 | 5.00 | — | — | — | |||||
| 0.09 | 0.00 | 0.40 | 6.00 | — | — | — | |||||
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 CERS put/call ratio?
For the February 19, 2027 expiration, the CERS put/call ratio based on open interest is 0.00 (2 puts vs 952 calls), and 2.00 based on today's volume. A ratio above 1 means more puts than calls.
What is CERS's implied volatility?
At-the-money implied volatility for CERS options expiring February 19, 2027 is about 100.8%, an annualized estimate of how much the market expects Cerus stock to move.
How many CERS option expiration dates are there?
CERS has 5 listed expiration dates, from Oct 16, 2026 to May 21, 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.