Tectonic Therapeutic (TECX) Options Chain
NASDAQ: TECXHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 97
- Share price
- $23.33
- Put/call ratio (OI)
- 0.04
- Put/call ratio (volume)
- 0.14
- ATM implied volatility
- 158.3%
- Expected move
- ±$19.04
- Open interest (C / P)
- 1.40K / 62
TECX options summary
The TECX options chain for the January 15, 2027 expiration lists 6 call and 7 put contracts, with 97 days until expiration. Open interest stands at 1,404 calls and 62 puts, a put/call ratio of 0.04, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $22.50 strike is 158.3%, which implies the market expects a move of about ±$19.04 (81.6%) in Tectonic Therapeutic stock by expiration.
The most open interest sits at the $35.00 call (1.06K contracts) and the $30.00 put (30 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
TECX options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 15.00 | 0.10 | 5.00 | 2.50 | |||||
| — | — | — | 17.50 | 1.75 | 6.40 | 3.60 | |||||
| — | — | — | 20.00 | 3.20 | 7.50 | 4.80 | |||||
| — | — | — | 22.50 | 4.70 | 9.00 | 5.80 | |||||
| 12.60 | 12.00 | 16.50 | 25.00 | 6.20 | 11.00 | 7.40 | |||||
| 8.10 | 3.50 | 7.70 | 30.00 | 10.30 | 14.50 | 10.50 | |||||
| 4.00 | 2.00 | 6.40 | 35.00 | 9.50 | 14.30 | 12.00 | |||||
| 8.30 | 10.00 | 14.50 | 40.00 | — | — | — | |||||
| 5.00 | 5.10 | 8.10 | 45.00 | — | — | — | |||||
| 3.00 | 0.00 | 4.90 | 55.00 | — | — | — | |||||
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 TECX put/call ratio?
For the January 15, 2027 expiration, the TECX put/call ratio based on open interest is 0.04 (62 puts vs 1,404 calls), and 0.14 based on today's volume. A ratio above 1 means more puts than calls.
What is TECX's implied volatility?
At-the-money implied volatility for TECX options expiring January 15, 2027 is about 158.3%, an annualized estimate of how much the market expects Tectonic Therapeutic stock to move.
How many TECX option expiration dates are there?
TECX has 6 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.