Tenax Therapeutics (TENX) Options Chain

NASDAQ: TENXHealth CareBiotechnology: Pharmaceutical PreparationsUSD

1.84-0.02 (-1.08%)

Market open · Delayed 15 min · as of Oct 9, 2:57 PM ET

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $1.82
Put/call ratio (OI): 0.06
Put/call ratio (volume): 0.18
ATM implied volatility: 101.6%
Expected move: ±$0.256
Open interest (C / P): 27.37K / 1.51K

TENX options summary

The TENX options chain for the October 16, 2026 expiration lists 14 call and 11 put contracts, with 7 days until expiration. Open interest stands at 27,372 calls and 1,506 puts, a put/call ratio of 0.06, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 101.6%, which implies the market expects a move of about ±$0.256 (14.1%) in Tenax Therapeutics stock by expiration.

The most open interest sits at the $30.00 call (7.41K contracts) and the $2.50 put (758 contracts).

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

TENX options chain · October 16, 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
—	—	—	—	—	—	1.00	0.00	0.05	0.05	300.0%	1	2
139	93	173.4%	0.43	0.05	0.70	1.50	0.00	0.05	0.10	128.1%	50	359
TENX $1.82
1,223	54	131.3%	0.05	0.05	0.10	2.00	0.05	0.35	0.18	71.9%	1	164
3,959	3	168.8%	0.02	0.00	0.05	2.50	0.60	0.70	0.70	156.3%	30	758
716	2	381.3%	0.05	0.00	0.05	5.00	3.00	3.20	3.25	368.8%	3	25
131	25	493.8%	0.04	0.00	0.05	7.50	5.30	6.00	5.50	904.7%	1	73
3,860	1	1023.4%	0.06	0.00	0.70	10.00	7.70	8.50	8.15	993.8%	174	78
41	1	687.5%	0.25	0.00	0.10	12.50	10.20	11.00	10.66	1057.8%	18	35
5,838	700	656.3%	0.01	0.00	0.05	15.00	12.70	13.50	13.00	1107.8%	5	12
0	2	50.0%	0.05	0.00	0.00	17.50	—	—	—	—	—	—
3,053	1	725.0%	0.05	0.00	0.05	20.00	16.40	20.50	12.51	1131.3%	15	0
0	4	50.0%	0.50	0.00	0.00	22.50	—	—	—	—	—	—
1,006	1	768.8%	0.05	0.00	0.05	25.00	—	—	—	—	—	—
7,406	751	812.5%	0.01	0.00	0.05	30.00	26.20	30.40	19.01	1034.4%	—	0
0	2	50.0%	0.03	0.00	0.00	35.00	—	—	—	—	—	—

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 October 16, 2026 expiration, the TENX put/call ratio based on open interest is 0.06 (1,506 puts vs 27,372 calls), and 0.18 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 October 16, 2026 is about 101.6%, 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.