C Options History — October 2023

In October 2023, C traded between $38.22 and $41.56. ATM implied volatility averaged 29.6%, placing in the 31.1% IV rank vs the trailing year. The 30-day expected move averaged 8.5%. IV traded above realized volatility by 9.0% (HV 20d: 20.6%). Max pain ranged from $39.00 to $41.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 7 of 22 days. Put/call ratio averaged 0.72.

Notable Days

2023-10-13: Highest Volume — 291,121 contracts
2023-10-18: Largest IV spike — 11.4% change
2023-10-04: Highest IV Rank — 53.0%
2023-10-04: Largest Expected Move — 11.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$40.07	$38.22	$41.56	$40.50	$39.39
Max Pain	$40.55	$39.00	$41.00	$39.00	$40.00
ATM IV	29.6%	24.8%	36.5%	34.5%	25.5%
Expected Move	8.5%	7.1%	11.3%	10.2%	7.4%
HV 20d	20.6%	18.7%	22.6%	20.6%	22.1%
HV 60d	18.4%	17.5%	19.9%	19.6%	19.7%
IV Rank	31.1%	15.9%	53.0%	46.8%	18.0%
IV Percentile	58.3%	25.8%	87.7%	83.3%	33.7%
Term Structure	-0.9%	-2.7%	0.7%	-2.3%	0.7%
VWIV	29.5%	25.2%	39.1%	35.5%	26.1%
Skew 25d	4.8%	3.5%	6.7%	5.2%	3.5%
Skew 10d	8.0%	5.9%	11.5%	9.3%	5.9%
Call IV 25d	27.4%	22.6%	33.8%	31.6%	24.3%
Put IV 25d	32.2%	27.1%	40.1%	36.8%	27.8%
Bid-Ask Spread %	2.28	1.95	2.62	2.14	2.49
Gamma HHI	0.06	0.05	0.09	0.06	0.05
Net GEX	-16.4M	-33.3M	-245.5K	-17.4M	-6.5M
Net DEX	1.66B	1.07B	2.27B	1.49B	1.87B
Net VEX	-17.9M	-19.5M	-16.0M	-18.4M	-17.8M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.72	0.36	1.93	0.40	0.50
Total Volume	111,844.909	49,060	291,121	71,611	63,337
Total OI	3,020,692.545	2,878,038	3,182,651	2,878,038	3,091,775

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
2023-10-02	$40.50	$39.00	34.5%	10.2%	20.6%	46.8%	35.5%	5.2%	-2.3%	-17.4M	1.49B	-18.4M	0.40	2.14	51,216	20,395	1,594,570	1,283,468
2023-10-03	$39.69	$39.00	36.4%	11.2%	21.7%	52.8%	38.2%	6.6%	-1.9%	-22.3M	1.72B	-18.1M	0.59	1.95	46,220	27,219	1,602,355	1,294,620
2023-10-04	$39.72	$39.00	36.5%	11.3%	21.7%	53.0%	39.1%	5.9%	-2.7%	-24.0M	1.72B	-18.1M	0.36	2.10	113,074	40,734	1,613,987	1,304,925
2023-10-05	$39.88	$41.00	35.5%	9.3%	21.3%	50.0%	32.8%	6.7%	-2.1%	-19.5M	1.66B	-18.3M	0.99	2.18	42,215	41,894	1,644,425	1,315,112
2023-10-06	$40.70	$41.00	33.2%	8.9%	22.3%	42.5%	29.9%	5.2%	-2.0%	-9.4M	1.33B	-19.2M	0.97	2.04	54,377	52,781	1,660,163	1,329,122
2023-10-09	$40.70	$41.00	33.2%	9.0%	22.3%	42.6%	32.0%	5.0%	-1.2%	-9.6M	1.36B	-19.0M	0.57	2.34	31,335	17,725	1,639,643	1,325,563
2023-10-10	$41.42	$41.00	31.9%	8.8%	20.9%	38.4%	30.2%	4.8%	-1.6%	-2.4M	1.11B	-19.5M	0.42	2.22	55,791	23,432	1,651,464	1,335,378
2023-10-11	$41.56	$41.00	30.9%	8.4%	20.1%	34.9%	28.6%	5.3%	-1.0%	-245.5K	1.07B	-19.5M	0.70	2.09	33,808	23,509	1,666,271	1,342,057
2023-10-12	$41.52	$41.00	30.4%	8.4%	18.9%	33.4%	29.2%	5.0%	-0.9%	-735.7K	1.10B	-19.2M	1.31	2.25	54,976	71,960	1,672,507	1,349,372
2023-10-13	$41.45	$41.00	28.7%	8.1%	18.7%	27.9%	26.6%	5.2%	-0.8%	-8.4M	1.16B	-19.2M	0.69	2.14	172,766	118,355	1,701,951	1,388,706
2023-10-16	$40.89	$41.00	25.4%	7.3%	19.2%	17.9%	25.3%	4.0%	-1.1%	-19.2M	1.48B	-18.0M	0.49	2.22	99,058	48,912	1,680,279	1,362,460
2023-10-17	$41.11	$41.00	24.8%	7.1%	19.4%	15.9%	25.2%	4.5%	-0.8%	-11.1M	1.34B	-18.3M	0.54	2.33	88,687	47,492	1,713,875	1,377,242
2023-10-18	$40.28	$41.00	27.7%	7.9%	20.3%	25.3%	27.0%	4.9%	-1.3%	-27.7M	1.69B	-17.7M	0.47	2.37	67,247	31,937	1,730,918	1,395,170
2023-10-19	$40.05	$41.00	27.5%	7.9%	20.1%	24.7%	27.6%	4.2%	-1.4%	-33.3M	1.73B	-17.6M	1.93	2.37	35,369	68,115	1,768,841	1,397,703
2023-10-20	$39.72	$41.00	26.9%	7.8%	19.2%	22.7%	27.1%	4.5%	-1.3%	-20.9M	1.92B	-17.0M	0.62	1.98	70,837	43,871	1,777,470	1,405,181
2023-10-23	$38.91	$41.00	27.1%	8.1%	20.4%	23.2%	28.0%	4.5%	0.2%	-27.5M	2.21B	-16.0M	0.57	2.59	90,800	51,933	1,635,256	1,273,607
2023-10-24	$38.95	$41.00	25.4%	7.6%	19.8%	17.6%	26.5%	4.0%	0.3%	-26.5M	2.17B	-16.1M	0.87	2.37	62,720	54,795	1,660,115	1,285,162
2023-10-25	$38.59	$41.00	26.6%	8.1%	19.9%	21.6%	27.1%	4.6%	0.2%	-27.6M	2.25B	-16.4M	0.39	2.46	97,167	38,089	1,692,826	1,317,459
2023-10-26	$39.34	$40.00	27.2%	8.1%	19.6%	23.9%	28.5%	3.8%	0.2%	-13.0M	1.92B	-17.5M	0.93	2.57	59,828	55,390	1,731,775	1,338,358
2023-10-27	$38.22	$40.00	28.6%	8.6%	21.7%	28.4%	29.8%	3.8%	0.2%	-22.1M	2.27B	-16.5M	0.58	2.24	51,445	29,597	1,740,801	1,330,449
2023-10-30	$38.92	$40.00	26.6%	7.9%	22.6%	21.9%	28.1%	3.5%	0.6%	-12.2M	2.04B	-16.9M	0.93	2.62	57,046	53,134	1,720,129	1,312,726
2023-10-31	$39.39	$40.00	25.5%	7.4%	22.1%	18.0%	26.1%	3.5%	0.7%	-6.5M	1.87B	-17.8M	0.50	2.49	42,241	21,096	1,746,399	1,345,376