IGF Options History — October 2025

In October 2025, IGF traded between $61.14 and $62.25. ATM implied volatility averaged 19.7%, placing in the 18.8% IV rank vs the trailing year. The 30-day expected move averaged 4.7%. IV traded above realized volatility by 12.1% (HV 20d: 7.6%). Max pain ranged from $50.00 to $61.00. Net GEX was positive for 4 of 23 trading days. Term structure was in contango for 17 of 23 days. Put/call ratio averaged 75.00.

Notable Days

2025-10-21: Highest Volume — 151 contracts
2025-10-15: Largest IV drop — 51.7% change
2025-10-13: Highest IV Rank — 59.0%
2025-10-02: Largest Expected Move — 5.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$61.66	$61.14	$62.25	$61.36	$61.14
Max Pain	$58.80	$50.00	$61.00	$50.00	$61.00
ATM IV	19.7%	15.2%	35.4%	19.0%	15.2%
Expected Move	4.7%	4.2%	5.6%	5.4%	4.4%
HV 20d	7.6%	6.5%	8.9%	6.5%	8.2%
HV 60d	8.1%	7.8%	8.2%	8.0%	7.9%
IV Rank	18.8%	7.3%	59.0%	16.9%	7.3%
IV Percentile	32.4%	3.2%	93.3%	36.5%	3.2%
Term Structure	0.9%	-4.7%	3.9%	-4.2%	2.3%
VWIV	15.3%	11.2%	17.5%	15.2%	11.2%
Skew 25d	0.9%	-7.0%	7.5%	-7.0%	1.8%
Skew 10d	5.7%	-4.4%	13.3%	4.6%	1.6%
Call IV 25d	16.3%	10.3%	22.4%	21.1%	17.8%
Put IV 25d	17.2%	11.4%	23.4%	14.1%	19.6%
Bid-Ask Spread %	152.32	128.54	163.96	131.57	153.85
Gamma HHI	0.66	0.38	0.99	0.47	0.99
Net GEX	-26.3K	-93.8K	611	-368	-89.3K
Net DEX	67.1K	-38.3K	311.8K	-32.0K	311.8K
Net VEX	-296	-917	-17	-23	-805
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	75.00	0.00	150.00	0.00	150.00
Total Volume	7.957	0	151	0	0
Total OI	56.652	3	153	9	145

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	$61.36	$50.00	19.0%	5.4%	6.5%	16.9%	0.0%	-7.0%	-4.2%	-368	-32.0K	-23	0.00	131.57	0	0	6	3
2025-10-02	$61.16	$50.00	19.4%	5.6%	6.7%	18.1%	0.0%	1.1%	-4.7%	-379	-31.5K	-23	0.00	135.73	0	0	6	3
2025-10-03	$61.70	$50.00	18.1%	5.2%	7.2%	14.6%	0.0%	1.3%	-4.1%	-293	-32.9K	-20	0.00	128.54	0	0	6	3
2025-10-06	$61.67	$0.00	21.5%	4.2%	7.1%	23.5%	0.0%	5.6%	0.1%	-299	-32.9K	-19	0.00	163.86	0	0	6	3
2025-10-07	$61.56	$0.00	22.6%	4.3%	7.2%	26.2%	0.0%	4.8%	-0.3%	-312	-32.5K	-21	0.00	162.14	0	0	6	3
2025-10-08	$61.83	$0.00	22.8%	4.4%	7.1%	26.8%	0.0%	7.5%	0.5%	-295	-33.0K	-19	0.00	163.96	0	0	6	3
2025-10-09	$61.44	$0.00	25.8%	4.5%	6.8%	34.3%	0.0%	2.8%	2.1%	-389	-32.0K	-21	0.00	158.89	0	0	6	3
2025-10-10	$61.23	$0.00	25.4%	4.6%	6.8%	33.5%	0.0%	1.3%	0.4%	-415	-31.8K	-21	0.00	159.09	0	0	6	3
2025-10-13	$61.47	$0.00	35.4%	4.9%	6.9%	59.0%	0.0%	0.5%	-0.5%	-353	-32.2K	-20	0.00	160.34	0	0	6	3
2025-10-14	$61.70	$0.00	33.9%	4.5%	6.6%	55.1%	0.0%	4.2%	1.0%	-352	-32.8K	-18	0.00	160.82	0	0	6	3
2025-10-15	$62.25	$0.00	16.4%	4.7%	7.2%	10.3%	15.2%	2.2%	0.7%	-255	-33.8K	-17	0.00	149.32	1	0	6	3
2025-10-16	$61.94	$61.00	17.8%	5.1%	7.2%	14.0%	0.0%	1.3%	-1.2%	66	-37.1K	-25	0.00	152.60	0	0	7	3
2025-10-17	$62.07	$61.00	16.4%	4.7%	7.2%	10.4%	0.0%	2.7%	0.9%	277	-38.3K	-22	0.00	153.36	0	0	7	3
2025-10-20	$62.16	$61.00	16.3%	4.7%	7.0%	10.1%	0.0%	-2.2%	2.3%	611	-8.2K	-19	0.00	160.80	0	0	2	1
2025-10-21	$61.41	$61.00	16.2%	4.7%	8.4%	9.9%	17.5%	-3.1%	3.2%	579	-7.1K	-23	150.00	145.29	1	150	2	1
2025-10-22	$61.86	$61.00	16.3%	4.7%	8.7%	10.0%	0.0%	1.5%	3.3%	-63.1K	247.1K	-917	0.00	150.84	0	0	2	151
2025-10-23	$61.86	$61.00	15.9%	4.5%	8.5%	9.0%	17.5%	0.1%	3.4%	-63.4K	256.1K	-917	0.00	148.41	0	30	2	151
2025-10-24	$61.91	$61.00	15.5%	4.4%	8.3%	8.0%	0.0%	-0.7%	3.9%	-65.3K	190.6K	-758	0.00	152.26	0	0	2	144
2025-10-27	$62.03	$61.00	16.0%	4.6%	8.3%	9.2%	11.2%	-5.0%	1.5%	-93.8K	207.2K	-753	0.00	157.63	0	1	2	144
2025-10-28	$61.86	$61.00	16.0%	4.6%	8.4%	9.4%	0.0%	3.6%	3.2%	-68.5K	211.4K	-732	0.00	151.64	0	0	2	143
2025-10-29	$61.31	$61.00	15.3%	4.4%	8.9%	7.6%	0.0%	0.8%	3.9%	-80.3K	284.9K	-814	0.00	150.29	0	0	2	143
2025-10-30	$61.27	$61.00	15.8%	4.5%	8.8%	8.9%	0.0%	-3.5%	3.5%	-80.1K	282.4K	-792	0.00	152.07	0	0	2	143
2025-10-31	$61.14	$61.00	15.2%	4.4%	8.2%	7.3%	0.0%	1.8%	2.3%	-89.3K	311.8K	-805	0.00	153.85	0	0	2	143