Filana Therapeutics (FLNA) Options Chain
NASDAQ: FLNAHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 21, 2028
- Days to expiration
- 468
- Share price
- $0.8168
- Put/call ratio (OI)
- 0.24
- Put/call ratio (volume)
- 0.64
- ATM implied volatility
- 265.6%
- Expected move
- ±$2.46
- Open interest (C / P)
- 2.50K / 595
FLNA options summary
The FLNA options chain for the January 21, 2028 expiration lists 12 call and 12 put contracts, with 468 days until expiration. Open interest stands at 2,501 calls and 595 puts, a put/call ratio of 0.24, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.00 strike is 265.6%, which implies the market expects a move of about ±$2.46 (300.8%) in Filana Therapeutics stock by expiration.
The most open interest sits at the $1.00 call (543 contracts) and the $1.50 put (358 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
FLNA options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.72 | 0.45 | 1.05 | 0.50 | 0.00 | 5.00 | 0.16 | |||||
| 0.52 | 0.30 | 1.30 | 1.00 | 0.00 | 1.10 | 0.45 | |||||
| 0.35 | 0.05 | 2.50 | 1.50 | 0.55 | 1.00 | 0.88 | |||||
| 0.33 | 0.05 | 0.45 | 2.00 | 0.00 | 0.00 | 1.05 | |||||
| 0.25 | 0.00 | 0.75 | 2.50 | 0.00 | 5.00 | 1.75 | |||||
| 0.25 | 0.05 | 0.40 | 3.00 | 0.00 | 3.00 | 2.08 | |||||
| 0.10 | 0.00 | 2.20 | 3.50 | — | — | 2.30 | |||||
| 0.20 | 0.00 | 2.00 | 4.00 | — | — | 2.72 | |||||
| 0.87 | 0.00 | 0.00 | 4.50 | — | — | 2.84 | |||||
| 0.10 | 0.00 | 1.20 | 5.00 | 0.00 | 0.00 | 4.12 | |||||
| 0.05 | 0.00 | 2.25 | 5.50 | 2.00 | 7.00 | 4.60 | |||||
| 0.10 | 0.00 | 2.00 | 7.50 | 0.00 | 0.00 | 6.01 | |||||
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 FLNA put/call ratio?
For the January 21, 2028 expiration, the FLNA put/call ratio based on open interest is 0.24 (595 puts vs 2,501 calls), and 0.64 based on today's volume. A ratio above 1 means more puts than calls.
What is FLNA's implied volatility?
At-the-money implied volatility for FLNA options expiring January 21, 2028 is about 265.6%, an annualized estimate of how much the market expects Filana Therapeutics stock to move.
How many FLNA option expiration dates are there?
FLNA 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.