A Options History — October 2025

In October 2025, A traded between $137.18 and $148.25. ATM implied volatility averaged 33.2%, placing in the 19.1% IV rank vs the trailing year. The 30-day expected move averaged 9.1%. IV traded below realized volatility by 0.2% (HV 20d: 33.4%). Max pain ranged from $125.00 to $135.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 21 of 23 days. Put/call ratio averaged 1.15.

Notable Days

2025-10-01: Highest Volume — 4,000 contracts
2025-10-15: Largest IV drop — 22.9% change
2025-10-14: Highest IV Rank — 37.3%
2025-10-10: Largest Expected Move — 10.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$142.43	$137.18	$148.25	$138.51	$146.76
Max Pain	$128.04	$125.00	$135.00	$125.00	$130.00
ATM IV	33.2%	29.6%	43.2%	30.9%	29.6%
Expected Move	9.1%	8.5%	10.3%	8.8%	8.5%
HV 20d	33.4%	20.0%	36.8%	36.7%	20.0%
HV 60d	30.8%	28.7%	34.6%	34.6%	29.1%
IV Rank	19.1%	12.6%	37.3%	14.9%	12.7%
IV Percentile	64.5%	39.3%	98.0%	59.1%	39.3%
Term Structure	1.6%	-2.2%	5.3%	0.2%	5.3%
VWIV	31.9%	27.6%	34.7%	34.7%	30.1%
Skew 25d	3.7%	1.3%	6.6%	3.2%	1.8%
Skew 10d	10.5%	0.3%	26.5%	16.4%	6.8%
Call IV 25d	30.2%	26.9%	34.7%	33.6%	28.7%
Put IV 25d	33.9%	28.7%	37.6%	36.8%	30.5%
Bid-Ask Spread %	74.68	66.16	83.98	73.77	79.69
Gamma HHI	0.15	0.12	0.19	0.19	0.16
Net GEX	3.2M	2.1M	3.7M	3.0M	3.5M
Net DEX	-166.7M	-183.8M	-147.2M	-152.0M	-166.7M
Net VEX	-623.2K	-652.9K	-600.8K	-602.4K	-619.7K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.15	0.05	6.48	0.29	0.54
Total Volume	958.783	227	4,000	4,000	227
Total OI	31,442.304	28,720	33,083	28,720	32,302

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
2025-10-01	$138.51	$125.00	30.9%	8.8%	36.7%	14.9%	34.7%	3.2%	0.2%	3.0M	-152.0M	-602.4K	0.29	73.77	N/A	N/A	3,111	889	16,903	11,817
2025-10-02	$138.76	$125.00	32.5%	9.3%	35.8%	17.9%	33.6%	2.2%	0.4%	3.2M	-161.9M	-639.6K	0.15	72.23	N/A	N/A	1,139	167	18,106	12,189
2025-10-03	$142.06	$125.00	34.4%	9.9%	36.4%	21.3%	33.7%	3.6%	-2.2%	3.0M	-178.5M	-617.6K	0.33	77.59	N/A	N/A	681	223	18,314	12,255
2025-10-06	$141.53	$125.00	36.3%	9.2%	36.0%	24.8%	33.6%	2.6%	2.1%	3.2M	-177.1M	-614.1K	1.11	67.10	N/A	N/A	240	266	18,554	12,384
2025-10-07	$138.94	$125.00	34.7%	9.0%	36.8%	21.9%	34.1%	4.3%	2.8%	3.4M	-164.9M	-632.0K	2.06	66.16	N/A	N/A	149	307	18,548	12,471
2025-10-08	$141.45	$125.00	33.8%	9.7%	36.2%	20.1%	31.1%	3.8%	2.3%	3.0M	-177.5M	-607.1K	0.41	68.18	N/A	N/A	481	195	18,575	12,606
2025-10-09	$139.91	$125.00	34.0%	9.0%	36.4%	20.6%	31.7%	2.9%	3.0%	3.3M	-169.6M	-635.3K	0.53	68.20	N/A	N/A	194	102	18,986	12,701
2025-10-10	$137.18	$125.00	41.6%	10.3%	36.0%	34.4%	34.2%	2.8%	-0.8%	3.4M	-151.2M	-652.9K	1.22	78.81	N/A	N/A	424	519	19,029	12,720
2025-10-13	$138.86	$125.00	37.4%	9.6%	35.8%	26.8%	32.6%	3.1%	0.6%	3.4M	-165.3M	-627.6K	0.19	70.88	N/A	N/A	912	174	19,181	13,002
2025-10-14	$138.18	$125.00	43.2%	9.5%	35.9%	37.3%	31.3%	5.7%	0.3%	3.5M	-162.1M	-632.8K	0.09	71.09	N/A	N/A	606	53	19,782	13,127
2025-10-15	$139.43	$125.00	33.3%	9.5%	35.9%	19.3%	32.4%	4.9%	1.4%	3.7M	-166.1M	-629.2K	0.81	70.50	N/A	N/A	191	155	19,711	13,137
2025-10-16	$141.61	$125.00	34.6%	9.9%	36.1%	21.7%	34.7%	5.7%	0.8%	2.6M	-183.1M	-604.5K	0.68	74.23	N/A	N/A	204	139	19,772	13,247
2025-10-17	$142.17	$125.00	31.9%	9.1%	35.9%	16.8%	32.4%	4.3%	1.6%	2.1M	-183.8M	-611.8K	0.05	73.21	N/A	N/A	3,070	141	19,773	13,310
2025-10-20	$143.22	$125.00	31.8%	9.1%	35.6%	16.5%	31.0%	2.5%	1.6%	2.5M	-147.2M	-616.5K	0.58	80.23	N/A	N/A	1,805	1,045	16,830	11,962
2025-10-21	$145.78	$135.00	29.8%	8.6%	35.7%	13.0%	27.6%	1.3%	2.2%	3.1M	-164.4M	-643.2K	0.97	74.91	N/A	N/A	241	233	18,251	12,892
2025-10-22	$146.37	$135.00	31.7%	9.1%	35.1%	16.4%	30.5%	6.6%	0.9%	3.0M	-165.0M	-647.1K	1.17	75.53	N/A	N/A	214	250	18,352	12,976
2025-10-23	$147.18	$135.00	31.9%	9.2%	32.9%	16.8%	32.4%	4.9%	0.7%	3.1M	-169.4M	-623.3K	1.74	76.54	N/A	N/A	165	287	18,464	13,160
2025-10-24	$148.25	$135.00	29.6%	8.5%	32.9%	12.6%	30.4%	4.5%	2.6%	3.2M	-174.4M	-617.2K	0.33	77.65	N/A	N/A	291	96	18,516	12,990
2025-10-27	$147.16	$135.00	30.4%	8.7%	33.4%	14.1%	32.7%	2.3%	1.9%	3.3M	-173.4M	-605.2K	5.50	78.68	N/A	N/A	131	720	18,533	13,061
2025-10-28	$145.63	$130.00	29.6%	8.5%	32.7%	12.6%	29.9%	2.8%	2.1%	3.5M	-166.9M	-600.8K	0.23	78.63	N/A	N/A	195	44	18,558	12,847
2025-10-29	$143.41	$130.00	29.9%	8.6%	20.1%	13.2%	27.8%	4.4%	3.7%	3.4M	-156.9M	-622.5K	0.95	83.98	N/A	N/A	392	371	18,632	12,868
2025-10-30	$143.48	$130.00	30.6%	8.8%	20.1%	14.5%	31.2%	4.6%	3.1%	3.4M	-156.4M	-630.5K	6.48	79.93	N/A	N/A	82	531	18,715	13,064
2025-10-31	$146.76	$130.00	29.6%	8.5%	20.0%	12.7%	30.1%	1.8%	5.3%	3.5M	-166.7M	-619.7K	0.54	79.69	N/A	N/A	147	80	18,727	13,575