A Options History — October 2013

In October 2013, A traded between $35.73 and $37.90. ATM implied volatility averaged 27.5%, placing in the 21.4% IV rank vs the trailing year. The 30-day expected move averaged 7.8%. IV traded above realized volatility by 7.2% (HV 20d: 20.2%). Max pain ranged from $25.04 to $39.34. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 3 of 23 days. Put/call ratio averaged 2.18.

Notable Days

2013-10-25: Highest Volume — 15,392 contracts
2013-10-07: Largest IV spike — 16.2% change
2013-10-31: Highest IV Rank — 30.3%
2013-10-08: Largest Expected Move — 8.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$36.73	$35.73	$37.90	$37.12	$36.31
Max Pain	$35.05	$25.04	$39.34	$35.05	$39.34
ATM IV	27.5%	21.8%	31.7%	22.8%	31.7%
Expected Move	7.8%	6.5%	8.6%	6.5%	8.0%
HV 20d	20.2%	17.7%	21.9%	18.2%	21.0%
HV 60d	18.0%	16.8%	18.8%	16.8%	18.3%
IV Rank	21.4%	9.6%	30.3%	11.7%	30.3%
IV Percentile	70.2%	22.2%	89.7%	37.3%	89.7%
Term Structure	-2.4%	-5.9%	3.1%	2.4%	-5.9%
VWIV	28.0%	23.8%	34.0%	23.8%	28.4%
Skew 25d	3.2%	1.3%	4.4%	1.3%	3.2%
Skew 10d	7.5%	2.6%	10.5%	5.7%	8.0%
Call IV 25d	27.0%	22.9%	30.2%	23.2%	30.2%
Put IV 25d	30.2%	24.2%	33.4%	24.5%	33.4%
Bid-Ask Spread %	7.67	3.73	16.22	12.75	3.90
Gamma HHI	0.18	0.12	0.32	0.15	0.19
Net GEX	4.7M	3.3M	6.6M	5.0M	4.6M
Net DEX	-120.2M	-184.1M	-82.2M	-131.7M	-100.8M
Net VEX	-528.0K	-588.1K	-469.7K	-546.4K	-473.6K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	2.18	0.09	28.20	1.76	0.47
Total Volume	4,963.87	572	15,392	3,823	1,312
Total OI	154,222.826	144,087	165,958	148,358	145,164

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 Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2013-10-01	$37.12	$35.05	22.8%	6.5%	18.2%	11.7%	23.8%	1.3%	2.4%	5.0M	-131.7M	-546.4K	1.76	12.75	N/A	N/A	1,385	2,438	75,264	73,094
2013-10-02	$36.89	$35.05	22.8%	6.5%	17.7%	11.7%	24.9%	1.6%	3.0%	4.6M	-125.7M	-546.9K	1.13	11.01	N/A	N/A	983	1,106	75,767	75,163
2013-10-03	$36.52	$35.05	23.5%	6.7%	18.2%	13.2%	24.0%	1.3%	3.1%	4.6M	-117.0M	-546.0K	0.09	10.47	N/A	N/A	6,297	535	76,402	75,555
2013-10-04	$37.04	$33.62	21.8%	7.3%	18.3%	9.6%	25.7%	2.9%	-0.4%	4.9M	-130.1M	-555.2K	0.79	11.08	N/A	N/A	956	751	76,866	75,794
2013-10-07	$36.57	$33.62	25.3%	8.0%	19.0%	17.0%	27.5%	2.5%	-1.0%	4.6M	-116.9M	-535.7K	1.98	8.75	N/A	N/A	408	808	76,640	76,075
2013-10-08	$35.86	$33.62	27.0%	8.6%	20.4%	20.4%	30.3%	3.3%	-1.8%	3.4M	-87.0M	-575.5K	2.32	12.53	N/A	N/A	1,971	4,571	76,742	76,450
2013-10-09	$35.73	$33.62	25.1%	8.4%	20.3%	16.6%	28.6%	3.3%	-2.3%	3.3M	-82.2M	-588.1K	0.24	12.65	N/A	N/A	8,352	2,041	77,465	79,104
2013-10-10	$36.47	$33.62	27.8%	8.0%	21.2%	22.2%	27.9%	3.4%	-1.7%	4.2M	-109.7M	-568.7K	1.06	11.82	N/A	N/A	3,568	3,769	79,068	79,858
2013-10-11	$36.81	$33.62	25.8%	7.4%	21.2%	18.0%	26.4%	3.4%	-1.1%	4.6M	-124.3M	-560.1K	1.84	10.95	N/A	N/A	426	786	80,523	81,789
2013-10-14	$36.74	$0.00	27.4%	8.0%	21.2%	21.4%	0.0%	3.8%	-2.1%	4.5M	-120.8M	-546.8K	4.10	16.22	N/A	N/A	2,266	9,291	80,637	83,119
2013-10-15	$36.39	$0.00	28.8%	8.0%	21.7%	24.3%	31.9%	4.1%	-2.3%	4.3M	-109.0M	-561.6K	0.30	4.83	N/A	N/A	2,276	672	81,657	82,310
2013-10-16	$36.88	$25.04	26.1%	7.8%	21.9%	18.5%	0.0%	4.4%	-1.4%	4.9M	-126.8M	-541.3K	0.52	4.74	N/A	N/A	849	438	81,656	82,574
2013-10-17	$37.66	$25.04	26.7%	7.8%	19.9%	19.8%	0.0%	4.0%	-2.5%	6.6M	-158.1M	-513.6K	0.28	4.57	N/A	N/A	5,744	1,624	81,137	82,296
2013-10-18	$37.90	$25.04	26.5%	7.9%	18.4%	19.5%	26.8%	3.7%	-2.8%	6.4M	-184.1M	-469.7K	0.30	4.50	N/A	N/A	5,746	1,720	83,602	82,356
2013-10-21	$37.19	$39.34	29.6%	7.9%	19.5%	25.9%	27.1%	4.1%	-4.1%	4.9M	-134.5M	-500.9K	0.97	4.86	N/A	N/A	2,356	2,289	74,005	75,458
2013-10-22	$36.49	$39.34	31.1%	8.0%	20.6%	29.1%	0.0%	3.8%	-4.6%	4.2M	-107.6M	-526.6K	0.66	4.32	N/A	N/A	1,506	997	74,631	76,093
2013-10-23	$36.23	$39.34	30.9%	8.0%	20.7%	28.6%	0.0%	3.1%	-4.4%	4.3M	-100.8M	-524.5K	0.59	4.61	N/A	N/A	2,307	1,370	75,284	76,728
2013-10-24	$36.57	$39.34	30.2%	8.1%	20.9%	27.1%	27.5%	3.4%	-4.1%	4.6M	-110.6M	-510.9K	0.36	5.53	N/A	N/A	5,475	1,992	75,430	76,862
2013-10-25	$37.10	$39.34	28.8%	7.9%	21.3%	24.3%	26.8%	3.6%	-4.2%	5.1M	-127.9M	-501.1K	28.20	4.06	N/A	N/A	527	14,865	77,068	77,813
2013-10-28	$36.83	$39.34	30.3%	8.0%	21.3%	27.3%	34.0%	3.4%	-5.2%	4.9M	-120.3M	-487.8K	0.34	4.70	N/A	N/A	3,171	1,083	77,393	66,694
2013-10-29	$36.98	$39.34	30.1%	7.9%	20.9%	26.9%	34.0%	3.8%	-5.0%	5.3M	-125.7M	-487.0K	0.78	3.73	N/A	N/A	322	250	77,575	67,142
2013-10-30	$36.59	$39.34	31.6%	8.0%	21.1%	30.1%	28.4%	3.3%	-5.8%	5.0M	-113.0M	-476.1K	1.01	3.77	N/A	N/A	1,281	1,289	77,662	67,160
2013-10-31	$36.31	$39.34	31.7%	8.0%	21.0%	30.3%	0.0%	3.2%	-5.9%	4.6M	-100.8M	-473.6K	0.47	3.90	N/A	N/A	895	417	77,469	67,695