IGV Options History — October 2025

In October 2025, IGV traded between $112.59 and $117.05. ATM implied volatility averaged 25.2%, placing in the 22.1% IV rank vs the trailing year. The 30-day expected move averaged 7.1%. IV traded above realized volatility by 7.8% (HV 20d: 17.4%). Max pain ranged from $106.00 to $114.00. Net GEX was positive for 0 of 23 trading days. Term structure was in contango for 10 of 23 days. Put/call ratio averaged 5.35.

Notable Days

2025-10-23: Highest Volume — 41,897 contracts
2025-10-06: Largest IV spike — 14.8% change
2025-10-16: Highest IV Rank — 30.0%
2025-10-17: Largest Expected Move — 8.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$114.74	$112.59	$117.05	$114.97	$115.69
Max Pain	$108.00	$106.00	$114.00	$112.00	$108.00
ATM IV	25.2%	22.7%	28.8%	23.3%	25.1%
Expected Move	7.1%	6.3%	8.1%	6.3%	7.3%
HV 20d	17.4%	15.2%	19.5%	16.4%	18.7%
HV 60d	17.3%	16.3%	18.3%	17.1%	16.9%
IV Rank	22.1%	16.5%	30.0%	17.8%	21.9%
IV Percentile	69.4%	46.8%	85.7%	61.1%	69.8%
Term Structure	0.2%	-3.4%	3.9%	0.3%	0.1%
VWIV	26.6%	21.8%	34.5%	27.0%	27.7%
Skew 25d	5.5%	0.4%	12.5%	4.4%	8.0%
Skew 10d	7.1%	-4.3%	16.6%	2.9%	6.9%
Call IV 25d	22.7%	19.3%	25.2%	21.9%	19.3%
Put IV 25d	28.2%	22.5%	34.7%	26.3%	27.3%
Bid-Ask Spread %	67.61	57.09	90.07	57.09	74.09
Gamma HHI	0.09	0.07	0.12	0.10	0.10
Net GEX	-5.5M	-17.8M	-1.2M	-2.7M	-5.3M
Net DEX	-108.8M	-161.4M	-21.7M	-133.0M	-101.3M
Net VEX	-1.4M	-1.6M	-1.2M	-1.4M	-1.5M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	5.35	0.27	43.15	15.88	2.22
Total Volume	5,792.87	589	41,897	14,973	1,890
Total OI	120,599.478	104,929	130,796	113,971	118,993

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
2025-10-01	$114.97	$112.00	23.3%	6.3%	16.4%	17.8%	27.0%	4.4%	0.3%	-2.7M	-133.0M	-1.4M	15.88	57.09	887	14,086	40,941	73,030
2025-10-02	$115.81	$114.00	23.1%	6.5%	16.2%	17.5%	23.4%	4.7%	1.6%	-1.7M	-142.3M	-1.4M	0.32	62.49	528	169	41,491	76,351
2025-10-03	$115.15	$114.00	23.3%	6.3%	16.3%	17.8%	21.8%	4.6%	1.6%	-3.8M	-137.1M	-1.3M	2.51	64.00	1,695	4,257	41,393	76,448
2025-10-06	$115.78	$106.00	26.7%	7.2%	15.3%	25.4%	25.5%	4.8%	-0.5%	-1.9M	-157.5M	-1.3M	0.31	65.01	7,805	2,414	42,243	79,254
2025-10-07	$114.53	$106.00	24.9%	7.1%	16.0%	21.3%	25.6%	5.7%	0.4%	-5.1M	-116.5M	-1.4M	6.25	59.24	487	3,046	47,421	79,764
2025-10-08	$115.59	$107.00	24.7%	6.9%	15.2%	20.9%	25.0%	4.7%	0.7%	-1.7M	-143.8M	-1.4M	3.24	58.44	139	450	47,647	81,792
2025-10-09	$115.72	$107.00	24.7%	7.0%	15.2%	21.0%	25.5%	4.7%	-0.2%	-2.6M	-144.1M	-1.4M	2.28	65.30	408	931	47,714	82,494
2025-10-10	$112.59	$107.00	28.3%	7.7%	18.1%	28.9%	27.5%	7.0%	-0.1%	-14.2M	-23.8M	-1.5M	10.01	70.82	395	3,955	47,599	83,197
2025-10-13	$114.68	$107.00	26.8%	7.5%	19.0%	25.7%	30.3%	5.8%	-0.5%	-6.4M	-101.5M	-1.4M	2.19	62.27	4,588	10,046	44,747	81,772
2025-10-14	$113.42	$107.00	26.5%	7.8%	19.5%	24.9%	27.6%	4.2%	1.6%	-6.4M	-91.5M	-1.4M	9.80	67.78	432	4,235	47,013	79,504
2025-10-15	$113.17	$107.00	28.0%	7.9%	19.5%	28.2%	33.1%	5.9%	-0.3%	-10.0M	-62.5M	-1.4M	4.04	71.07	193	779	47,266	80,502
2025-10-16	$112.64	$107.00	28.8%	8.0%	18.2%	30.0%	29.7%	12.5%	-0.3%	-12.2M	-62.4M	-1.3M	4.08	75.27	643	2,626	47,297	81,141
2025-10-17	$112.69	$107.00	28.5%	8.1%	17.5%	29.5%	25.7%	8.1%	-1.0%	-17.8M	-21.7M	-1.4M	1.57	61.12	2,309	3,614	47,728	82,364
2025-10-20	$113.94	$107.00	24.6%	7.0%	17.7%	20.9%	25.2%	4.8%	-0.2%	-4.2M	-112.9M	-1.2M	3.83	69.42	735	2,814	40,088	64,841
2025-10-21	$115.06	$107.00	23.8%	6.8%	17.6%	19.0%	23.4%	5.4%	-0.1%	-3.6M	-129.5M	-1.2M	0.29	59.66	2,931	859	40,007	66,164
2025-10-22	$113.78	$107.00	25.7%	7.4%	17.6%	23.1%	26.3%	5.6%	-0.8%	-5.0M	-97.9M	-1.3M	1.07	69.08	433	464	42,571	66,451
2025-10-23	$114.70	$107.00	24.1%	6.9%	17.5%	19.7%	34.5%	6.3%	-0.5%	-4.1M	-114.3M	-1.3M	43.15	65.59	949	40,948	42,727	66,800
2025-10-24	$116.22	$108.00	23.6%	6.4%	17.8%	18.5%	23.7%	8.8%	3.9%	-4.0M	-108.4M	-1.6M	2.36	79.56	334	789	43,123	77,190
2025-10-27	$117.05	$108.00	24.3%	6.8%	17.6%	20.0%	22.7%	3.5%	-3.4%	-1.2M	-151.5M	-1.5M	0.27	69.94	2,859	778	42,704	76,393
2025-10-28	$116.91	$108.00	23.3%	6.9%	17.0%	17.9%	24.8%	0.4%	0.6%	-1.7M	-161.4M	-1.4M	0.42	70.81	1,251	525	42,936	76,735
2025-10-29	$114.84	$108.00	22.7%	6.6%	18.2%	16.5%	24.7%	4.1%	2.7%	-5.3M	-102.3M	-1.5M	0.45	90.07	1,265	568	42,737	76,395
2025-10-30	$114.16	$108.00	24.8%	7.2%	18.1%	21.3%	30.5%	2.2%	-0.9%	-6.4M	-84.6M	-1.5M	6.51	66.95	230	1,497	41,993	76,827
2025-10-31	$115.69	$108.00	25.1%	7.3%	18.7%	21.9%	27.7%	8.0%	0.1%	-5.3M	-101.3M	-1.5M	2.22	74.09	587	1,303	42,043	76,950