Jasper Therapeutics (JSPR) Options Chain
NASDAQ: JSPRHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $0.5702
- Put/call ratio (OI)
- 0.47
- Put/call ratio (volume)
- 0.15
- ATM implied volatility
- 693.8%
- Expected move
- ±$1.71
- Open interest (C / P)
- 991 / 467
JSPR options summary
The JSPR options chain for the December 18, 2026 expiration lists 6 call and 6 put contracts, with 68 days until expiration. Open interest stands at 991 calls and 467 puts, a put/call ratio of 0.47, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $0.50 strike is 693.8%, which implies the market expects a move of about ±$1.71 (299.4%) in Jasper Therapeutics stock by expiration.
The most open interest sits at the $2.50 call (598 contracts) and the $0.50 put (429 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
JSPR options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.30 | 0.00 | 1.00 | 0.50 | 0.00 | 1.00 | 0.09 | |||||
| 0.15 | 0.00 | 1.00 | 1.00 | 0.15 | 1.15 | 0.50 | |||||
| 0.61 | 0.00 | 0.00 | 1.50 | 0.55 | 1.55 | 0.89 | |||||
| 0.15 | 0.00 | 0.25 | 2.00 | 1.00 | 2.00 | 1.48 | |||||
| 0.05 | 0.00 | 0.70 | 2.50 | 1.45 | 2.45 | 2.00 | |||||
| 0.05 | 0.00 | 0.00 | 5.00 | 3.20 | 4.20 | 3.54 | |||||
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 JSPR put/call ratio?
For the December 18, 2026 expiration, the JSPR put/call ratio based on open interest is 0.47 (467 puts vs 991 calls), and 0.15 based on today's volume. A ratio above 1 means more puts than calls.
What is JSPR's implied volatility?
At-the-money implied volatility for JSPR options expiring December 18, 2026 is about 693.8%, an annualized estimate of how much the market expects Jasper Therapeutics stock to move.
How many JSPR option expiration dates are there?
JSPR has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.