Core Natural Resources (CNR) Options Chain

NYSE: CNREnergyCoal MiningUSD

88.46-0.09 (-0.10%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $88.46
Put/call ratio (OI): 0.85
Put/call ratio (volume): 1.34
ATM implied volatility: 46.8%
Expected move: ±$17.85
Open interest (C / P): 8.54K / 7.26K

CNR options summary

The CNR options chain for the December 18, 2026 expiration lists 26 call and 20 put contracts, with 68 days until expiration. Open interest stands at 8,541 calls and 7,264 puts, a put/call ratio of 0.85, which is fairly balanced between calls and puts. At-the-money implied volatility near the $90.00 strike is 46.8%, which implies the market expects a move of about ±$17.85 (20.2%) in Core Natural Resources stock by expiration.

The most open interest sits at the $90.00 call (1.51K contracts) and the $80.00 put (2.15K contracts).

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

CNR options chain · December 18, 2026

CNR 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
32	2	254.0%	42.10	54.70	58.90	40.00	0.00	0.75	0.93	101.8%	1	18
2	1	227.1%	41.80	49.90	54.10	45.00	0.00	0.00	0.18	25.0%	5	0
29	1	78.5%	47.40	37.00	40.80	50.00	0.00	1.70	0.15	90.6%	1	39
28	1	70.1%	32.48	31.90	36.10	55.00	0.00	1.95	0.20	80.6%	1	40
83	9	67.9%	32.60	27.60	31.20	60.00	0.00	0.80	0.19	55.6%	10	60
26	3	143.7%	20.10	31.50	33.90	65.00	0.00	0.95	0.20	56.9%	5	295
53	1	54.6%	28.40	18.10	22.00	70.00	0.25	2.15	0.72	61.0%	1	713
73	10	50.1%	28.40	14.00	17.50	75.00	0.65	2.50	1.75	52.1%	19	896
53	1	61.4%	11.04	10.20	13.80	80.00	2.50	4.00	3.50	51.4%	27	2,147
465	1	57.0%	10.65	7.50	10.40	85.00	3.80	4.80	3.90	42.5%	3	954
CNR $88.46
1,510	6	51.4%	6.60	5.40	7.20	90.00	6.00	7.30	6.88	42.1%	1	1,974
1,031	2	49.4%	4.60	3.90	5.00	95.00	9.20	10.50	9.10	42.4%	3	79
385	1	54.0%	3.20	1.75	4.20	100.00	12.30	15.60	13.50	53.0%	8	32
248	21	55.1%	2.50	1.40	3.20	105.00	15.90	19.70	15.20	54.8%	1	4
1,010	1	51.7%	1.40	1.20	1.95	110.00	13.60	16.30	30.70	—	1	4
395	1	53.3%	1.11	0.40	1.50	115.00	0.00	0.00	21.60	—	1	0
1,105	1	52.0%	0.75	0.20	0.95	120.00	0.00	0.00	34.50	—	6	0
968	1	53.3%	0.85	0.35	1.10	125.00	34.70	38.50	23.90	69.3%	1	9
497	1	55.4%	0.80	0.00	0.60	130.00	0.00	0.00	43.60	—	2	0
171	1	58.9%	0.60	0.00	1.15	135.00	—	—	—	—	—	—
279	1	62.7%	0.90	0.00	1.15	140.00	—	—	—	—	—	—
7	1	74.0%	0.65	0.00	1.95	145.00	—	—	—	—	—	—
44	1	77.7%	0.15	0.00	1.95	150.00	0.00	0.00	57.80	—	1	0
11	1	77.9%	0.30	0.00	1.60	155.00	—	—	—	—	—	—
16	1	86.7%	0.15	0.00	2.20	160.00	—	—	—	—	—	—
20	2	90.0%	0.10	0.00	2.20	165.00	—	—	—	—	—	—

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 CNR put/call ratio?

For the December 18, 2026 expiration, the CNR put/call ratio based on open interest is 0.85 (7,264 puts vs 8,541 calls), and 1.34 based on today's volume. A ratio above 1 means more puts than calls.

What is CNR's implied volatility?

At-the-money implied volatility for CNR options expiring December 18, 2026 is about 46.8%, an annualized estimate of how much the market expects Core Natural Resources stock to move.

How many CNR option expiration dates are there?

CNR 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.