Sera Prognostics (SERA) Options Chain
NASDAQ: SERAHealthcareMedical DevicesUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 99
- Share price
- $2.02
- Put/call ratio (OI)
- 0.12
- Put/call ratio (volume)
- 0.08
- ATM implied volatility
- 132.4%
- Expected move
- ±$1.39
- Open interest (C / P)
- 338 / 42
SERA options summary
The SERA options chain for the January 15, 2027 expiration lists 5 call and 2 put contracts, with 99 days until expiration. Open interest stands at 338 calls and 42 puts, a put/call ratio of 0.12, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 132.4%, which implies the market expects a move of about ±$1.39 (69.0%) in Sera Prognostics stock by expiration.
The most open interest sits at the $2.50 call (335 contracts) and the $2.50 put (41 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SERA options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.25 | 0.20 | 0.65 | 2.50 | 0.00 | 0.85 | 0.70 | |||||
| 0.24 | 0.00 | 0.00 | 5.00 | — | — | — | |||||
| 1.35 | 0.00 | 5.00 | 7.50 | 3.50 | 5.50 | 4.10 | |||||
| 0.30 | 0.00 | 0.00 | 10.00 | — | — | — | |||||
| 0.20 | 0.00 | 5.00 | 12.50 | — | — | — | |||||
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 SERA put/call ratio?
For the January 15, 2027 expiration, the SERA put/call ratio based on open interest is 0.12 (42 puts vs 338 calls), and 0.08 based on today's volume. A ratio above 1 means more puts than calls.
What is SERA's implied volatility?
At-the-money implied volatility for SERA options expiring January 15, 2027 is about 132.4%, an annualized estimate of how much the market expects Sera Prognostics stock to move.
How many SERA option expiration dates are there?
SERA has 3 listed expiration dates, from Jan 15, 2027 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.