Tonix Pharmaceuticals (TNXP) Options Chain
NASDAQ: TNXPHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $7.28
- Put/call ratio (OI)
- 0.34
- Put/call ratio (volume)
- 4.78
- ATM implied volatility
- 110.5%
- Expected move
- ±$1.19
- Open interest (C / P)
- 712 / 244
TNXP options summary
The TNXP options chain for the October 16, 2026 expiration lists 5 call and 4 put contracts, with 8 days until expiration. Open interest stands at 712 calls and 244 puts, a put/call ratio of 0.34, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.50 strike is 110.5%, which implies the market expects a move of about ±$1.19 (16.4%) in Tonix Pharmaceuticals stock by expiration.
The most open interest sits at the $12.50 call (297 contracts) and the $10.00 put (166 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
TNXP options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 5.00 | 0.00 | 2.00 | 0.02 | |||||
| — | — | — | 7.50 | 0.00 | 1.20 | 0.30 | |||||
| 0.15 | 0.00 | 4.00 | 10.00 | 0.50 | 4.90 | 2.00 | |||||
| 0.10 | 0.00 | 0.10 | 12.50 | 3.00 | 7.40 | 2.80 | |||||
| 0.05 | 0.00 | 0.20 | 15.00 | — | — | — | |||||
| 0.04 | 0.00 | 1.00 | 17.50 | — | — | — | |||||
| 0.05 | 0.00 | 0.05 | 20.00 | — | — | — | |||||
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 TNXP put/call ratio?
For the October 16, 2026 expiration, the TNXP put/call ratio based on open interest is 0.34 (244 puts vs 712 calls), and 4.78 based on today's volume. A ratio above 1 means more puts than calls.
What is TNXP's implied volatility?
At-the-money implied volatility for TNXP options expiring October 16, 2026 is about 110.5%, an annualized estimate of how much the market expects Tonix Pharmaceuticals stock to move.
How many TNXP option expiration dates are there?
TNXP has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.