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
After hours: 4.49 0.00%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $4.49
- Put/call ratio (OI)
- 0.16
- Put/call ratio (volume)
- 0.11
- ATM implied volatility
- 138.3%
- Expected move
- ±$0.8599
- Open interest (C / P)
- 2.93K / 480
TSHA options summary
The TSHA options chain for the October 16, 2026 expiration lists 9 call and 3 put contracts, with 7 days until expiration. Open interest stands at 2,933 calls and 480 puts, a put/call ratio of 0.16, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 138.3%, which implies the market expects a move of about ±$0.8599 (19.2%) in Taysha Gene Therapies stock by expiration.
The most open interest sits at the $7.00 call (707 contracts) and the $5.00 put (363 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
TSHA options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 4.45 | 4.70 | 5.70 | 1.00 | — | — | — | |||||
| 1.27 | 0.15 | 1.15 | 4.00 | 0.00 | 0.30 | 0.15 | |||||
| 0.05 | 0.00 | 1.00 | 5.00 | 0.40 | 1.00 | 0.60 | |||||
| 0.05 | 0.00 | 1.00 | 6.00 | 1.15 | 2.15 | 1.30 | |||||
| 0.05 | 0.00 | 0.20 | 7.00 | — | — | — | |||||
| 0.40 | 0.00 | 1.00 | 8.00 | — | — | — | |||||
| 0.15 | 0.00 | 1.00 | 9.00 | — | — | — | |||||
| 0.05 | 0.00 | 1.00 | 11.00 | — | — | — | |||||
| 0.05 | 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 October 16, 2026 expiration, the TSHA put/call ratio based on open interest is 0.16 (480 puts vs 2,933 calls), and 0.11 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 October 16, 2026 is about 138.3%, 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.