CORZ Options History — October 2025

In October 2025, CORZ traded between $17.20 and $21.63. ATM implied volatility averaged 98.6%, placing in the 50.1% IV rank vs the trailing year. The 30-day expected move averaged 27.6%. IV traded above realized volatility by 52.5% (HV 20d: 46.2%). Max pain ranged from $15.00 to $16.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 9 of 23 days. Put/call ratio averaged 0.21.

Notable Days

2025-10-30: Highest Volume — 505,503 contracts
2025-10-09: Largest IV spike — 14.3% change
2025-10-16: Highest IV Rank — 67.6%
2025-10-29: Largest Expected Move — 33.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$18.92	$17.20	$21.63	$17.96	$21.63
Max Pain	$15.78	$15.00	$16.00	$16.00	$16.00
ATM IV	98.6%	77.5%	115.5%	77.5%	82.8%
Expected Move	27.6%	17.3%	33.3%	19.0%	24.5%
HV 20d	46.2%	32.2%	64.6%	38.5%	64.3%
HV 60d	48.5%	45.1%	54.1%	49.4%	49.9%
IV Rank	50.1%	30.3%	67.6%	30.3%	32.0%
IV Percentile	82.3%	55.2%	96.4%	55.2%	63.1%
Term Structure	-1.4%	-14.1%	8.1%	-0.2%	0.3%
VWIV	97.2%	61.1%	115.8%	67.0%	88.2%
Skew 25d	-4.6%	-13.6%	17.3%	2.3%	-4.6%
Skew 10d	-15.7%	-75.1%	35.8%	-8.3%	-12.8%
Call IV 25d	102.7%	76.5%	122.5%	79.0%	87.4%
Put IV 25d	98.1%	77.7%	127.4%	81.2%	82.8%
Bid-Ask Spread %	44.20	23.94	63.27	44.73	33.36
Gamma HHI	0.12	0.10	0.14	0.12	0.11
Net GEX	23.8M	17.0M	34.8M	20.5M	34.8M
Net DEX	-1.57B	-2.24B	-1.10B	-1.29B	-2.24B
Net VEX	-4.6M	-4.8M	-4.2M	-4.3M	-4.7M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.21	0.04	0.76	0.21	0.36
Total Volume	164,259.043	56,527	505,503	59,235	244,288
Total OI	2,019,715.957	1,791,650	2,285,433	1,791,650	2,285,433

Daily Data (23 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
2025-10-01	$17.96	$16.00	77.5%	19.0%	38.5%	30.3%	67.0%	2.3%	-0.2%	20.5M	-1.29B	-4.3M	0.21	44.73	49,145	10,090	1,349,853	441,797
2025-10-02	$18.02	$16.00	79.7%	18.0%	38.3%	32.5%	61.9%	-0.7%	4.9%	20.4M	-1.30B	-4.3M	0.27	45.69	46,026	12,399	1,352,134	445,818
2025-10-03	$17.90	$16.00	79.0%	17.3%	38.2%	31.8%	61.1%	1.2%	6.7%	20.3M	-1.28B	-4.3M	0.16	63.27	120,533	19,122	1,377,362	449,450
2025-10-06	$17.93	$15.00	87.2%	25.0%	38.2%	39.2%	86.3%	-1.8%	-1.4%	19.4M	-1.28B	-4.3M	0.76	44.50	89,721	68,420	1,360,963	446,964
2025-10-07	$17.20	$15.00	91.5%	25.5%	41.2%	43.7%	86.9%	-1.6%	-5.6%	17.0M	-1.10B	-4.2M	0.49	55.60	82,471	40,185	1,399,110	466,584
2025-10-08	$17.41	$16.00	86.7%	24.2%	32.5%	38.6%	84.7%	0.8%	-1.0%	18.1M	-1.15B	-4.2M	0.53	52.14	91,996	48,643	1,433,515	486,208
2025-10-09	$18.00	$16.00	99.2%	26.6%	34.0%	51.7%	92.2%	-3.9%	-2.2%	20.2M	-1.32B	-4.5M	0.04	40.82	98,080	4,140	1,481,349	528,720
2025-10-10	$18.41	$16.00	111.1%	30.9%	34.3%	64.1%	110.0%	-11.9%	-4.1%	22.6M	-1.51B	-4.7M	0.12	49.21	267,065	30,793	1,523,133	532,167
2025-10-13	$19.07	$16.00	114.4%	31.8%	32.5%	66.4%	109.1%	-7.4%	-5.9%	21.8M	-1.66B	-4.7M	0.18	23.94	80,839	14,525	1,527,370	534,367
2025-10-14	$18.73	$16.00	112.3%	32.2%	32.2%	64.1%	108.3%	-8.1%	1.8%	22.3M	-1.59B	-4.7M	0.09	34.56	52,098	4,429	1,547,630	543,161
2025-10-15	$19.96	$16.00	114.3%	31.2%	37.7%	66.3%	110.0%	-9.8%	-4.2%	26.2M	-1.91B	-4.6M	0.07	35.50	186,877	13,722	1,548,355	546,136
2025-10-16	$19.55	$16.00	115.5%	30.7%	39.2%	67.6%	115.8%	-3.3%	-14.1%	27.1M	-1.86B	-4.7M	0.04	42.92	237,690	10,315	1,601,618	548,382
2025-10-17	$18.98	$15.00	109.0%	31.1%	41.2%	60.5%	110.6%	-5.6%	0.3%	28.5M	-1.73B	-4.8M	0.13	42.76	136,467	18,025	1,687,637	555,084
2025-10-20	$18.66	$15.00	111.2%	31.7%	41.4%	62.9%	112.3%	-7.2%	-5.1%	20.6M	-1.50B	-4.6M	0.17	39.58	82,197	14,111	1,540,398	380,995
2025-10-21	$19.41	$15.00	102.4%	29.4%	43.0%	53.3%	102.5%	-5.9%	-1.1%	25.0M	-1.64B	-4.7M	0.16	37.12	204,262	32,330	1,581,353	384,419
2025-10-22	$17.55	$16.00	103.7%	29.7%	57.5%	54.8%	104.7%	-12.9%	-5.6%	18.7M	-1.20B	-4.3M	0.20	46.17	118,639	23,320	1,591,736	407,078
2025-10-23	$17.84	$16.00	100.9%	29.1%	57.7%	51.7%	106.9%	-8.8%	-4.6%	20.4M	-1.23B	-4.5M	0.10	47.79	71,357	7,279	1,614,876	414,152
2025-10-24	$19.46	$16.00	99.3%	28.8%	64.6%	49.9%	98.7%	-4.5%	-6.0%	28.1M	-1.62B	-4.6M	0.19	48.17	97,811	18,242	1,624,495	422,153
2025-10-27	$19.69	$16.00	97.2%	29.0%	63.6%	47.6%	102.4%	-13.6%	8.1%	24.5M	-1.69B	-4.6M	0.14	46.24	135,104	18,537	1,575,198	418,078
2025-10-28	$20.04	$16.00	102.3%	30.3%	63.2%	53.2%	107.9%	-13.1%	3.9%	27.8M	-1.88B	-4.8M	0.14	38.46	189,796	25,731	1,691,714	424,585
2025-10-29	$20.80	$16.00	101.0%	33.3%	64.2%	51.8%	115.7%	17.3%	0.1%	28.7M	-2.03B	-4.8M	0.25	58.15	124,906	30,729	1,727,257	436,581
2025-10-30	$21.03	$16.00	89.8%	26.7%	64.2%	39.5%	93.5%	-3.3%	3.2%	34.8M	-2.12B	-4.7M	0.14	45.90	443,665	61,838	1,758,955	459,144
2025-10-31	$21.63	$16.00	82.8%	24.5%	64.3%	32.0%	88.2%	-4.6%	0.3%	34.8M	-2.24B	-4.7M	0.36	33.36	179,239	65,049	1,794,932	490,501