Taysha Gene Therapies (TSHA) Options Chain
NASDAQ: TSHAHealth 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
- $4.49
- Put/call ratio (OI)
- 0.27
- Put/call ratio (volume)
- 1.04
- ATM implied volatility
- 227.8%
- Expected move
- ±$4.42
- Open interest (C / P)
- 2.75K / 733
TSHA options summary
The TSHA options chain for the December 18, 2026 expiration lists 13 call and 9 put contracts, with 68 days until expiration. Open interest stands at 2,755 calls and 733 puts, a put/call ratio of 0.27, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 227.8%, which implies the market expects a move of about ±$4.42 (98.3%) in Taysha Gene Therapies stock by expiration.
The most open interest sits at the $10.00 call (801 contracts) and the $0.50 put (350 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
TSHA options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 5.10 | 5.00 | 6.00 | 0.50 | 0.00 | 0.10 | 0.10 | |||||
| 3.40 | 5.50 | 6.50 | 1.00 | 0.00 | 1.00 | 0.50 | |||||
| 3.60 | 3.50 | 4.50 | 1.50 | — | — | — | |||||
| 4.42 | 0.00 | 0.00 | 2.00 | 0.20 | 1.20 | 0.85 | |||||
| 3.08 | 2.80 | 3.80 | 2.50 | 0.00 | 2.00 | 0.60 | |||||
| 3.06 | 2.10 | 3.10 | 4.00 | 0.10 | 1.00 | 0.35 | |||||
| 0.70 | 0.05 | 1.00 | 5.00 | 0.50 | 1.50 | 0.85 | |||||
| 0.36 | 0.00 | 1.00 | 6.00 | 1.25 | 2.25 | 1.45 | |||||
| 0.05 | 0.05 | 1.05 | 7.50 | 1.85 | 2.85 | 2.45 | |||||
| 0.10 | 0.00 | 1.00 | 9.00 | — | — | — | |||||
| 0.15 | 0.00 | 1.00 | 10.00 | 5.10 | 6.10 | 5.22 | |||||
| 0.60 | 0.05 | 1.05 | 11.00 | — | — | — | |||||
| 0.55 | 0.00 | 1.00 | 12.00 | — | — | — | |||||
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 TSHA put/call ratio?
For the December 18, 2026 expiration, the TSHA put/call ratio based on open interest is 0.27 (733 puts vs 2,755 calls), and 1.04 based on today's volume. A ratio above 1 means more puts than calls.
What is TSHA's implied volatility?
At-the-money implied volatility for TSHA options expiring December 18, 2026 is about 227.8%, an annualized estimate of how much the market expects Taysha Gene Therapies stock to move.
How many TSHA option expiration dates are there?
TSHA has 5 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.