Tenax Therapeutics (TENX) Options Chain

NASDAQ: TENXHealth CareBiotechnology: Pharmaceutical PreparationsUSD

1.87+0.01 (+0.54%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $1.87
Put/call ratio (OI): 0.03
Put/call ratio (volume): 0.46
ATM implied volatility: 104.7%
Expected move: ±$0.6481
Open interest (C / P): 660 / 20

TENX options summary

The TENX options chain for the November 20, 2026 expiration lists 3 call and 2 put contracts, with 40 days until expiration. Open interest stands at 660 calls and 20 puts, a put/call ratio of 0.03, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 104.7%, which implies the market expects a move of about ±$0.6481 (34.7%) in Tenax Therapeutics stock by expiration.

The most open interest sits at the $2.00 call (441 contracts) and the $2.50 put (12 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

TENX options chain · November 20, 2026

TENX calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
TENX $1.87
441	36	90.6%	0.20	0.10	0.25	2.00	0.05	0.70	0.29	118.8%	8	8
219	3	111.7%	0.10	0.05	0.15	2.50	0.45	0.90	0.71	82.8%	10	12
—	—	—	0.05	—	—	5.00	—	—	—	—	—	—

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 TENX put/call ratio?

For the November 20, 2026 expiration, the TENX put/call ratio based on open interest is 0.03 (20 puts vs 660 calls), and 0.46 based on today's volume. A ratio above 1 means more puts than calls.

What is TENX's implied volatility?

At-the-money implied volatility for TENX options expiring November 20, 2026 is about 104.7%, an annualized estimate of how much the market expects Tenax Therapeutics stock to move.

How many TENX option expiration dates are there?

TENX has 6 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.