CORZ Options History — December 2025

In December 2025, CORZ traded between $13.64 and $17.77. ATM implied volatility averaged 79.8%, placing in the 27.7% IV rank vs the trailing year. The 30-day expected move averaged 23.2%. IV traded above realized volatility by 9.4% (HV 20d: 70.4%). Max pain ranged from $13.00 to $15.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 11 of 22 days. Put/call ratio averaged 0.49.

Notable Days

2025-12-01: Highest Volume — 220,421 contracts
2025-12-15: Largest IV spike — 14.3% change
2025-12-01: Highest IV Rank — 35.7%
2025-12-03: Largest Expected Move — 26.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$15.94	$13.64	$17.77	$16.56	$14.57
Max Pain	$14.32	$13.00	$15.00	$14.00	$14.00
ATM IV	79.8%	70.7%	87.0%	87.0%	76.5%
Expected Move	23.2%	21.6%	26.0%	25.6%	22.7%
HV 20d	70.4%	57.9%	84.4%	84.4%	66.2%
HV 60d	69.0%	65.0%	73.3%	66.8%	72.8%
IV Rank	27.7%	17.7%	35.7%	35.7%	24.1%
IV Percentile	46.4%	15.5%	61.5%	61.5%	37.3%
Term Structure	0.8%	-4.7%	9.1%	0.9%	5.3%
VWIV	83.9%	77.9%	93.4%	92.8%	83.4%
Skew 25d	3.7%	-3.0%	23.8%	-3.0%	-1.9%
Skew 10d	5.8%	-11.2%	47.6%	-6.4%	-9.2%
Call IV 25d	80.4%	71.9%	106.9%	87.3%	81.7%
Put IV 25d	84.0%	76.9%	108.9%	84.2%	79.8%
Bid-Ask Spread %	37.39	21.70	64.03	21.70	32.10
Gamma HHI	0.11	0.10	0.14	0.11	0.10
Net GEX	16.1M	4.2M	25.5M	17.9M	8.9M
Net DEX	-838.4M	-1.34B	-250.3M	-988.6M	-471.1M
Net VEX	-3.6M	-4.4M	-2.8M	-4.0M	-2.9M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.49	0.11	2.10	0.11	0.13
Total Volume	80,558.818	11,165	220,421	220,421	36,894
Total OI	2,353,030.682	1,923,018	2,730,184	2,309,239	1,945,649

Daily Data (22 trading days)

Date	Price	Max Pain	ATM IV	Exp Move	HV 20d	IV Rank	VWIV	Skew 25d	Term Str	GEX	DEX	VEX	P/C	Spread %	Call Vol	Put Vol	Call OI	Put OI
2025-12-01	$16.56	$14.00	87.0%	25.6%	84.4%	35.7%	92.8%	-3.0%	0.9%	17.9M	-988.6M	-4.0M	0.11	21.70	199,013	21,408	1,791,889	517,350
2025-12-02	$16.06	$14.00	86.0%	24.6%	78.5%	34.6%	86.7%	9.8%	0.3%	18.1M	-927.0M	-4.1M	0.19	22.43	28,962	5,635	1,914,237	516,517
2025-12-03	$16.63	$14.00	85.9%	26.0%	77.2%	34.4%	93.4%	12.3%	-0.0%	20.0M	-1.06B	-4.3M	0.31	32.62	73,967	22,595	1,923,984	520,378
2025-12-04	$17.14	$15.00	81.5%	23.8%	78.0%	29.6%	85.2%	3.0%	3.9%	22.9M	-1.19B	-4.4M	1.06	40.51	43,929	46,690	1,951,484	533,720
2025-12-05	$17.00	$15.00	78.1%	23.2%	76.3%	25.8%	82.2%	3.8%	3.0%	25.5M	-1.15B	-4.2M	0.38	44.35	38,907	14,886	1,964,549	547,835
2025-12-08	$17.77	$15.00	82.6%	24.3%	78.5%	30.8%	85.9%	23.8%	5.2%	24.2M	-1.34B	-4.3M	0.11	33.96	53,810	6,139	1,954,933	542,450
2025-12-09	$17.55	$15.00	83.1%	24.2%	77.7%	31.4%	84.5%	-1.7%	-0.7%	24.5M	-1.29B	-4.2M	0.23	34.22	23,477	5,309	1,965,358	544,940
2025-12-10	$17.43	$15.00	84.0%	24.5%	61.7%	32.4%	85.7%	2.0%	2.5%	23.9M	-1.25B	-4.2M	0.13	61.14	35,845	4,602	1,967,751	548,516
2025-12-11	$17.35	$15.00	75.6%	22.7%	59.3%	23.2%	80.7%	5.7%	4.6%	25.1M	-1.20B	-4.0M	1.70	39.84	27,388	46,492	1,979,541	551,337
2025-12-12	$16.51	$15.00	70.7%	21.7%	57.9%	17.7%	79.1%	5.0%	9.1%	20.1M	-981.3M	-3.7M	0.14	64.03	86,869	12,414	1,992,816	551,285
2025-12-15	$15.21	$15.00	80.8%	23.5%	65.4%	28.8%	89.3%	5.1%	-2.3%	14.7M	-667.7M	-3.3M	1.29	34.11	84,831	109,093	2,017,186	543,398
2025-12-16	$14.80	$15.00	78.5%	22.6%	64.6%	26.3%	81.6%	-0.3%	-0.8%	10.5M	-522.7M	-3.3M	0.21	31.07	151,513	32,045	2,032,043	641,216
2025-12-17	$13.64	$15.00	80.7%	23.1%	65.0%	28.8%	83.1%	1.8%	-2.8%	4.2M	-250.3M	-2.8M	0.46	60.13	91,091	42,249	1,997,253	658,862
2025-12-18	$14.49	$15.00	80.2%	23.0%	68.1%	28.1%	84.9%	0.5%	-0.7%	9.3M	-475.7M	-3.2M	0.12	23.46	118,370	14,080	2,036,059	658,375
2025-12-19	$15.79	$13.00	79.7%	23.1%	74.9%	27.7%	82.6%	1.8%	-4.7%	12.5M	-895.8M	-3.6M	0.18	46.97	93,603	16,767	2,087,501	642,683
2025-12-22	$15.86	$13.00	77.4%	22.5%	74.0%	25.1%	84.4%	1.8%	0.1%	13.9M	-749.7M	-3.6M	0.24	26.52	29,287	7,154	1,488,655	443,346
2025-12-23	$15.59	$13.00	75.9%	21.7%	70.0%	23.4%	83.5%	4.3%	-0.3%	13.0M	-677.0M	-3.5M	0.47	54.81	43,818	20,459	1,501,770	449,082
2025-12-24	$15.56	$13.00	75.4%	21.7%	69.7%	22.9%	77.9%	0.6%	0.4%	13.4M	-670.1M	-3.4M	2.10	29.68	3,606	7,559	1,527,971	465,433
2025-12-26	$15.34	$14.00	77.5%	21.6%	67.7%	25.2%	80.8%	2.0%	-1.5%	11.9M	-621.0M	-3.3M	0.38	27.43	11,323	4,349	1,529,337	470,095
2025-12-29	$14.97	$14.00	77.7%	21.8%	66.7%	25.4%	78.5%	0.3%	-0.7%	10.9M	-544.5M	-3.1M	0.66	35.37	12,266	8,060	1,464,744	458,274
2025-12-30	$14.79	$14.00	79.9%	22.0%	66.7%	27.8%	79.7%	4.2%	-4.0%	9.9M	-520.3M	-3.0M	0.20	26.09	29,598	5,942	1,467,089	459,784
2025-12-31	$14.57	$14.00	76.5%	22.7%	66.2%	24.1%	83.4%	-1.9%	5.3%	8.9M	-471.1M	-2.9M	0.13	32.10	32,672	4,222	1,483,332	462,317