C Options History — October 2018

In October 2018, C traded between $63.94 and $72.67. ATM implied volatility averaged 26.5%, placing in the 69.0% IV rank vs the trailing year. The 30-day expected move averaged 7.7%. IV traded above realized volatility by 8.5% (HV 20d: 18.0%). Max pain ranged from $67.50 to $72.50. Net GEX was positive for 20 of 23 trading days. Term structure was in contango for 1 of 23 days. Put/call ratio averaged 0.76.

Notable Days

2018-10-23: Highest Volume — 182,671 contracts
2018-10-12: Largest IV drop — 13.0% change
2018-10-29: Highest IV Rank — 100.0%
2018-10-29: Largest Expected Move — 10.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$68.80	$63.94	$72.67	$71.83	$65.79
Max Pain	$69.70	$67.50	$72.50	$70.00	$67.50
ATM IV	26.5%	22.3%	32.3%	23.7%	26.6%
Expected Move	7.7%	6.4%	10.3%	6.8%	8.5%
HV 20d	18.0%	13.6%	20.6%	18.7%	20.6%
HV 60d	18.5%	17.0%	19.9%	19.8%	19.9%
IV Rank	69.0%	44.0%	100.0%	52.4%	67.1%
IV Percentile	90.5%	75.4%	100.0%	87.7%	89.3%
Term Structure	-0.6%	-2.2%	0.1%	-0.0%	0.1%
VWIV	26.8%	22.5%	36.7%	23.9%	30.0%
Skew 25d	4.9%	2.0%	7.4%	2.6%	5.5%
Skew 10d	8.9%	0.1%	13.6%	3.9%	12.2%
Call IV 25d	24.7%	20.7%	29.6%	22.6%	24.8%
Put IV 25d	29.6%	25.2%	36.4%	25.2%	30.3%
Bid-Ask Spread %	4.80	2.53	11.02	2.53	3.93
Gamma HHI	0.08	0.06	0.10	0.09	0.06
Net GEX	24.8M	-7.0M	75.8M	47.1M	12.7M
Net DEX	72.8M	-1.02B	1.02B	-709.0M	606.7M
Net VEX	-13.2M	-14.5M	-11.8M	-14.2M	-12.3M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.76	0.36	1.20	0.94	0.70
Total Volume	96,179.13	48,430	182,671	62,202	69,704
Total OI	1,514,189.826	1,418,811	1,628,757	1,418,811	1,510,577

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
2018-10-01	$71.83	$70.00	23.7%	6.8%	18.7%	52.4%	23.9%	2.6%	-0.0%	47.1M	-709.0M	-14.2M	0.94	2.53	32,130	30,072	840,245	578,566
2018-10-02	$71.76	$70.00	24.2%	6.9%	18.7%	55.3%	24.7%	2.5%	-0.3%	48.0M	-666.5M	-14.1M	0.79	2.83	37,058	29,107	851,177	583,645
2018-10-03	$72.36	$70.00	24.4%	7.1%	18.9%	57.0%	24.6%	2.2%	-0.3%	67.5M	-908.3M	-14.3M	0.70	2.57	37,899	26,502	862,055	596,810
2018-10-04	$72.53	$72.50	25.8%	7.2%	17.8%	65.1%	24.9%	3.1%	-0.7%	75.8M	-982.1M	-14.5M	0.56	4.74	71,609	39,765	874,930	603,256
2018-10-05	$72.27	$70.00	25.8%	7.2%	17.8%	64.8%	25.2%	3.7%	-0.8%	57.0M	-859.5M	-14.5M	1.07	3.66	37,304	39,947	895,808	610,415
2018-10-08	$72.67	$70.00	25.8%	7.2%	17.8%	65.0%	25.1%	2.0%	-0.7%	59.0M	-1.02B	-14.3M	1.08	2.79	33,626	36,244	867,119	602,305
2018-10-09	$72.09	$70.00	26.4%	7.3%	18.1%	68.3%	24.9%	3.9%	-0.9%	51.9M	-823.5M	-14.1M	1.20	3.32	56,044	67,007	876,687	615,066
2018-10-10	$70.34	$70.00	29.6%	8.3%	19.4%	87.8%	28.1%	5.3%	-0.2%	24.5M	-188.1M	-14.3M	0.91	7.27	55,151	50,442	893,319	631,314
2018-10-11	$69.33	$70.00	31.5%	8.6%	19.9%	99.2%	30.3%	6.7%	-2.0%	9.7M	181.4M	-14.0M	0.67	11.02	100,787	67,144	899,935	643,278
2018-10-12	$69.72	$70.00	27.4%	7.5%	19.8%	74.7%	26.7%	7.3%	-1.7%	17.9M	89.6M	-14.0M	0.91	5.88	87,331	79,696	945,895	666,206
2018-10-15	$69.68	$70.00	25.1%	7.1%	19.8%	61.1%	23.6%	6.1%	-0.4%	23.4M	-373.9K	-13.5M	0.36	3.67	75,166	27,400	925,397	636,574
2018-10-16	$69.69	$70.00	22.5%	6.4%	19.4%	45.3%	22.7%	4.8%	-0.2%	30.5M	385.0K	-13.1M	0.54	2.82	41,937	22,737	936,660	642,545
2018-10-17	$69.68	$70.00	22.3%	6.4%	14.1%	44.0%	22.5%	4.4%	-0.3%	34.5M	-7.2M	-13.0M	0.64	7.20	45,445	29,278	939,591	647,693
2018-10-18	$68.69	$70.00	25.1%	7.3%	13.6%	60.7%	23.8%	4.6%	-2.2%	-3.7M	444.9M	-12.8M	0.88	2.56	49,762	43,783	949,395	659,413
2018-10-19	$69.00	$70.00	23.0%	6.6%	13.8%	48.1%	23.1%	4.6%	-0.1%	17.2M	379.6M	-12.7M	1.07	2.86	59,603	63,948	957,029	671,728
2018-10-22	$66.83	$70.00	24.5%	7.3%	17.1%	57.3%	25.0%	5.0%	-0.0%	1.2M	625.9M	-12.0M	0.69	3.36	45,011	31,171	851,127	567,925
2018-10-23	$65.88	$70.00	26.3%	7.9%	17.3%	68.2%	26.6%	6.0%	-0.1%	-2.2M	783.1M	-11.8M	0.51	6.19	121,298	61,373	872,400	577,176
2018-10-24	$64.50	$70.00	29.4%	8.9%	18.0%	86.5%	29.9%	7.4%	-0.1%	-7.0M	981.5M	-11.8M	0.84	6.42	42,708	35,960	894,746	596,074
2018-10-25	$65.14	$70.00	28.3%	8.7%	18.7%	79.9%	29.5%	6.0%	-0.4%	496.2K	857.9M	-12.2M	0.54	4.44	51,183	27,755	913,622	607,351
2018-10-26	$64.30	$68.00	30.9%	9.5%	18.5%	95.3%	32.0%	6.6%	-1.2%	2.4M	1.02B	-12.1M	0.38	6.07	103,585	38,920	926,845	616,625
2018-10-29	$63.94	$67.50	32.3%	10.3%	18.4%	100.0%	36.7%	6.9%	-1.1%	572.2K	956.1M	-12.0M	0.69	7.19	36,051	25,047	891,013	597,328
2018-10-30	$64.41	$67.50	29.6%	9.4%	18.9%	84.7%	33.1%	6.0%	-0.2%	1.6M	912.9M	-11.9M	0.87	7.00	25,907	22,523	893,788	605,713
2018-10-31	$65.79	$67.50	26.6%	8.5%	20.6%	67.1%	30.0%	5.5%	0.1%	12.7M	606.7M	-12.3M	0.70	3.93	40,881	28,823	900,732	609,845