COR Options History — July 2025

In July 2025, COR traded between $286.10 and $300.48. ATM implied volatility averaged 27.6%, placing in the 44.1% IV rank vs the trailing year. The 30-day expected move averaged 8.1%. IV traded above realized volatility by 11.4% (HV 20d: 16.2%). Max pain ranged from $270.00 to $290.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 3 of 22 days. Put/call ratio averaged 1.75.

Notable Days

2025-07-21: Highest Volume — 5,033 contracts
2025-07-09: Largest IV spike — 20.8% change
2025-07-31: Highest IV Rank — 70.6%
2025-07-31: Largest Expected Move — 10.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$293.76	$286.10	$300.48	$295.44	$286.81
Max Pain	$275.91	$270.00	$290.00	$290.00	$280.00
ATM IV	27.6%	20.2%	35.8%	21.0%	35.8%
Expected Move	8.1%	6.0%	10.3%	6.0%	10.3%
HV 20d	16.2%	14.1%	18.9%	16.4%	15.0%
HV 60d	22.9%	22.0%	25.2%	25.2%	22.6%
IV Rank	44.1%	19.8%	70.6%	22.5%	70.6%
IV Percentile	80.0%	28.6%	97.2%	42.1%	97.2%
Term Structure	-3.6%	-9.2%	2.1%	2.1%	-9.2%
VWIV	28.2%	18.3%	41.5%	23.3%	41.5%
Skew 25d	3.7%	0.8%	7.5%	3.7%	7.5%
Skew 10d	3.7%	-6.0%	18.7%	8.5%	13.4%
Call IV 25d	26.6%	20.9%	32.8%	20.9%	32.8%
Put IV 25d	30.3%	24.6%	40.3%	24.6%	40.3%
Bid-Ask Spread %	83.92	80.06	90.31	86.31	82.81
Gamma HHI	0.26	0.13	0.44	0.25	0.14
Net GEX	7.1M	1.2M	11.9M	7.0M	3.5M
Net DEX	-357.3M	-420.8M	-293.9M	-372.5M	-293.9M
Net VEX	-1.2M	-1.3M	-1.2M	-1.3M	-1.2M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.75	0.03	13.13	0.22	4.99
Total Volume	722.091	28	5,033	561	2,293
Total OI	40,966.818	36,777	41,903	38,837	41,584

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 Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2025-07-01	$295.44	$290.00	21.0%	6.0%	16.4%	22.5%	23.3%	3.7%	2.1%	7.0M	-372.5M	-1.3M	0.22	86.31	N/A	N/A	461	100	20,234	18,603
2025-07-02	$290.90	$290.00	22.3%	6.4%	17.4%	26.7%	23.0%	0.8%	2.0%	6.0M	-345.2M	-1.3M	0.03	90.31	N/A	N/A	1,967	50	20,362	18,651
2025-07-03	$294.86	$270.00	20.2%	6.8%	17.7%	19.8%	23.7%	2.4%	0.1%	9.7M	-380.6M	-1.3M	0.08	83.01	N/A	N/A	26	2	21,828	18,673
2025-07-07	$300.48	$270.00	23.4%	8.1%	18.6%	30.4%	30.0%	4.9%	-1.9%	10.9M	-420.8M	-1.3M	13.13	80.81	N/A	N/A	75	985	21,828	18,674
2025-07-08	$298.50	$270.00	22.7%	7.5%	18.9%	28.0%	25.9%	3.3%	-3.1%	9.7M	-401.7M	-1.3M	0.19	81.87	N/A	N/A	280	54	21,809	19,564
2025-07-09	$299.88	$270.00	27.4%	7.9%	17.7%	43.3%	28.4%	3.9%	-3.1%	10.9M	-408.1M	-1.3M	1.09	82.28	N/A	N/A	33	36	22,020	19,590
2025-07-10	$297.52	$270.00	27.3%	7.8%	18.1%	42.8%	27.4%	1.3%	-3.4%	10.3M	-397.6M	-1.2M	1.24	80.06	N/A	N/A	74	92	22,035	19,611
2025-07-11	$295.25	$270.00	28.6%	8.2%	18.3%	47.3%	29.7%	3.9%	-3.9%	8.6M	-380.6M	-1.2M	2.36	82.88	N/A	N/A	77	182	22,061	19,670
2025-07-14	$296.58	$270.00	26.8%	7.7%	15.8%	41.4%	26.7%	4.2%	-3.4%	10.3M	-380.8M	-1.3M	0.93	81.83	N/A	N/A	172	160	22,067	19,756
2025-07-15	$294.81	$270.00	28.8%	8.2%	15.9%	47.7%	28.1%	4.7%	-4.5%	10.7M	-367.7M	-1.2M	0.06	81.43	N/A	N/A	769	48	22,067	19,836
2025-07-16	$297.77	$270.00	27.7%	7.9%	16.0%	44.1%	26.9%	4.5%	-1.4%	11.9M	-395.8M	-1.2M	0.65	82.60	N/A	N/A	20	13	22,008	19,868
2025-07-17	$294.71	$270.00	27.7%	7.9%	16.5%	44.2%	26.6%	3.6%	-4.0%	9.5M	-364.9M	-1.2M	3.02	84.30	N/A	N/A	60	181	22,008	19,868
2025-07-18	$293.09	$270.00	27.6%	7.9%	15.9%	44.1%	31.7%	3.4%	-2.4%	1.2M	-350.5M	-1.2M	0.04	85.44	N/A	N/A	833	37	22,028	19,747
2025-07-21	$292.63	$280.00	28.6%	8.2%	15.1%	47.3%	29.0%	4.1%	-3.9%	5.8M	-342.6M	-1.2M	1.92	82.64	N/A	N/A	1,724	3,309	18,781	17,996
2025-07-22	$292.44	$280.00	29.5%	8.5%	15.1%	50.1%	28.2%	3.6%	-4.4%	4.7M	-336.8M	-1.2M	2.42	83.44	N/A	N/A	141	341	20,423	20,577
2025-07-23	$292.73	$280.00	30.3%	8.7%	14.9%	52.7%	27.7%	3.6%	-5.1%	4.9M	-341.7M	-1.2M	0.16	86.48	N/A	N/A	62	10	20,444	20,635
2025-07-24	$290.90	$280.00	30.4%	8.7%	15.0%	53.1%	18.3%	3.3%	-5.6%	4.6M	-323.1M	-1.2M	0.80	85.83	N/A	N/A	135	108	20,486	20,640
2025-07-25	$290.68	$280.00	28.9%	8.3%	14.1%	48.2%	29.1%	3.0%	-5.0%	4.6M	-319.1M	-1.3M	0.68	86.65	N/A	N/A	73	50	20,574	20,643
2025-07-28	$286.10	$280.00	30.3%	8.7%	14.5%	52.9%	30.2%	2.9%	-5.8%	3.3M	-293.9M	-1.2M	0.37	85.81	N/A	N/A	238	87	20,594	20,630
2025-07-29	$289.50	$280.00	31.5%	9.0%	15.3%	56.6%	32.0%	3.9%	-6.8%	4.2M	-312.9M	-1.2M	3.70	85.04	N/A	N/A	87	322	20,665	20,617
2025-07-30	$291.08	$280.00	31.3%	9.0%	15.1%	55.8%	31.8%	4.0%	-6.6%	4.6M	-328.9M	-1.2M	0.42	84.32	N/A	N/A	84	35	20,683	20,832
2025-07-31	$286.81	$280.00	35.8%	10.3%	15.0%	70.6%	41.5%	7.5%	-9.2%	3.5M	-293.9M	-1.2M	4.99	82.81	N/A	N/A	383	1,910	20,713	20,871