Infinity Natural Resources (INR) Options Chain

NYSE: INREnergyOil & Gas ProductionUSD

13.34-0.01 (-0.07%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $13.34
Put/call ratio (OI): 0.70
Put/call ratio (volume): 0.56
ATM implied volatility: 57.2%
Expected move: ±$3.29
Open interest (C / P): 480 / 336

INR options summary

The INR options chain for the December 18, 2026 expiration lists 12 call and 5 put contracts, with 68 days until expiration. Open interest stands at 480 calls and 336 puts, a put/call ratio of 0.70, which is fairly balanced between calls and puts. At-the-money implied volatility near the $12.50 strike is 57.2%, which implies the market expects a move of about ±$3.29 (24.7%) in Infinity Natural Resources stock by expiration.

The most open interest sits at the $35.00 call (275 contracts) and the $12.50 put (327 contracts).

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

INR options chain · December 18, 2026

INR 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	1	679.7%	10.38	11.20	14.00	2.50	—	—	—	—	—	—
1	1	387.5%	8.30	9.30	11.30	5.00	—	—	—	—	—	—
3	1	271.9%	6.60	6.90	9.10	7.50	—	—	—	—	—	—
8	5	60.9%	5.20	2.10	5.00	10.00	—	—	—	—	—	—
14	2	63.9%	1.40	0.35	3.40	12.50	0.00	1.50	0.82	50.5%	1	327
INR $13.34
28	3	67.9%	0.05	0.10	0.95	15.00	1.10	3.60	1.17	56.1%	10	8
143	10	52.9%	0.17	0.05	0.35	17.50	0.00	0.00	2.40	—	1	0
0	1	25.0%	0.47	0.00	0.00	20.00	5.50	7.60	7.10	115.5%	1	1
2	—	128.7%	0.95	0.05	1.70	22.50	—	—	—	—	—	—
2	1	139.8%	0.55	0.05	1.60	25.00	10.30	12.80	9.90	156.9%	2	0
3	1	156.2%	0.20	0.00	1.45	30.00	—	—	—	—	—	—
275	1	189.3%	0.05	0.00	1.95	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 INR put/call ratio?

For the December 18, 2026 expiration, the INR put/call ratio based on open interest is 0.70 (336 puts vs 480 calls), and 0.56 based on today's volume. A ratio above 1 means more puts than calls.

What is INR's implied volatility?

At-the-money implied volatility for INR options expiring December 18, 2026 is about 57.2%, an annualized estimate of how much the market expects Infinity Natural Resources stock to move.

How many INR option expiration dates are there?

INR 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.