Protara Therapeutics (TARA) Options Chain
NASDAQ: TARAHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $2.76
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.13
- ATM implied volatility
- 133.2%
- Expected move
- ±$1.21
- Open interest (C / P)
- 1.04K / 5
TARA options summary
The TARA options chain for the November 20, 2026 expiration lists 4 call and 3 put contracts, with 40 days until expiration. Open interest stands at 1,041 calls and 5 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 133.2%, which implies the market expects a move of about ±$1.21 (44.1%) in Protara Therapeutics stock by expiration.
The most open interest sits at the $5.00 call (930 contracts) and the $2.50 put (3 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
TARA options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.25 | 0.10 | 1.05 | 2.50 | 0.00 | 0.75 | 0.24 | |||||
| 0.15 | 0.00 | 0.10 | 5.00 | 0.00 | 0.00 | 1.10 | |||||
| 0.10 | 0.00 | 0.60 | 7.50 | 1.40 | 6.00 | 3.20 | |||||
| 0.75 | 0.00 | 0.95 | 10.00 | — | — | — | |||||
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 TARA put/call ratio?
For the November 20, 2026 expiration, the TARA put/call ratio based on open interest is 0.00 (5 puts vs 1,041 calls), and 0.13 based on today's volume. A ratio above 1 means more puts than calls.
What is TARA's implied volatility?
At-the-money implied volatility for TARA options expiring November 20, 2026 is about 133.2%, an annualized estimate of how much the market expects Protara Therapeutics stock to move.
How many TARA option expiration dates are there?
TARA 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.