Protalix BioTherapeutics (DE) (PLX) Options Chain
NYSE: PLXHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $2.78
- Put/call ratio (OI)
- 0.39
- Put/call ratio (volume)
- 0.77
- Expected move
- ±$1.37
- Open interest (C / P)
- 115 / 45
PLX options summary
The PLX options chain for the May 21, 2027 expiration lists 2 call and 1 put contracts, with 223 days until expiration. Open interest stands at 115 calls and 45 puts, a put/call ratio of 0.39, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 62.9%, which implies the market expects a move of about ±$1.37 (49.2%) in Protalix BioTherapeutics (DE) stock by expiration.
The most open interest sits at the $2.50 call (106 contracts) and the $2.50 put (45 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
PLX options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.60 | 0.50 | 0.80 | 2.50 | 0.00 | 0.80 | 0.35 | |||||
| 0.20 | 0.00 | 0.75 | 5.00 | — | — | — | |||||
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 PLX put/call ratio?
For the May 21, 2027 expiration, the PLX put/call ratio based on open interest is 0.39 (45 puts vs 115 calls), and 0.77 based on today's volume. A ratio above 1 means more puts than calls.
What is PLX's implied volatility?
At-the-money implied volatility for PLX options expiring May 21, 2027 is about 62.9%, an annualized estimate of how much the market expects Protalix BioTherapeutics (DE) stock to move.
How many PLX option expiration dates are there?
PLX has 4 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.