IGF Options History — April 2026

In April 2026, IGF traded between $66.59 and $69.06. ATM implied volatility averaged 48.7%, placing in the 35.0% IV rank vs the trailing year. The 30-day expected move averaged 6.5%. IV traded above realized volatility by 34.4% (HV 20d: 14.3%). Max pain ranged from $66.00 to $67.00. Net GEX was positive for 14 of 14 trading days. Term structure was in contango for 3 of 14 days. Put/call ratio averaged 0.18.

Notable Days

2026-04-08: Highest Volume — 25 contracts
2026-04-21: Largest IV spike — 675.0% change
2026-04-20: Highest IV Rank — 100.0%
2026-04-20: Largest Expected Move — 14.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$67.76	$66.59	$69.06	$67.25	$66.59
Max Pain	$66.08	$66.00	$67.00	$67.00	$66.00
ATM IV	48.7%	11.9%	381.3%	23.4%	381.3%
Expected Move	6.5%	3.4%	14.1%	6.7%	5.2%
HV 20d	14.3%	10.2%	15.8%	15.2%	10.2%
HV 60d	12.7%	12.3%	13.1%	12.5%	13.1%
IV Rank	35.0%	0.0%	100.0%	28.5%	100.0%
IV Percentile	62.6%	0.0%	100.0%	76.6%	100.0%
Term Structure	-5.0%	-32.3%	3.6%	-5.5%	-3.0%
VWIV	15.9%	11.0%	20.0%	18.6%	17.2%
Skew 25d	1.8%	-3.7%	7.0%	2.4%	-0.3%
Skew 10d	1.5%	-1.6%	3.3%	3.0%	1.4%
Call IV 25d	16.7%	11.4%	22.3%	22.3%	17.9%
Put IV 25d	18.5%	14.6%	24.7%	24.7%	17.7%
Bid-Ask Spread %	71.47	62.23	81.80	81.80	64.79
Gamma HHI	0.35	0.27	0.41	0.40	0.30
Net GEX	17.2K	11.8K	24.3K	12.2K	18.4K
Net DEX	-147.7K	-185.4K	-102.1K	-128.0K	-102.1K
Net VEX	-585	-646	-505	-589	-509
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.18	0.00	1.00	0.00	0.25
Total Volume	4.143	0	25	0	0
Total OI	56.357	50	66	50	61

Daily Data (14 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
2026-04-01	$67.25	$67.00	23.4%	6.7%	15.2%	28.5%	0.0%	2.4%	-5.5%	12.2K	-128.0K	-589	0.00	81.80	0	0	50	0
2026-04-02	$67.55	$0.00	23.6%	6.8%	14.3%	29.1%	18.6%	2.5%	3.6%	11.8K	-137.6K	-606	0.00	76.20	1	0	50	0
2026-04-06	$67.69	$66.00	27.1%	7.8%	14.2%	38.1%	0.0%	2.5%	-1.1%	12.6K	-147.7K	-611	0.00	80.85	0	0	51	0
2026-04-07	$67.67	$66.00	28.6%	8.2%	14.2%	42.0%	20.0%	-3.7%	-4.5%	15.4K	-150.1K	-615	0.00	75.19	3	0	51	0
2026-04-08	$68.69	$66.00	16.9%	4.8%	15.0%	11.8%	0.0%	2.7%	-3.0%	16.0K	-185.4K	-629	0.09	71.33	23	2	54	0
2026-04-09	$69.06	$66.00	17.0%	4.9%	15.1%	12.0%	16.3%	2.1%	-2.8%	16.4K	-174.0K	-646	0.00	68.06	4	0	51	2
2026-04-10	$68.63	$66.00	18.2%	5.2%	15.3%	15.1%	11.0%	1.4%	-3.0%	17.3K	-178.1K	-639	0.00	72.77	2	0	55	2
2026-04-13	$67.87	$66.00	21.8%	6.2%	15.8%	29.8%	0.0%	1.6%	-6.7%	18.4K	-153.7K	-588	1.00	71.75	1	1	55	2
2026-04-14	$67.94	$66.00	11.9%	3.4%	15.2%	0.0%	12.3%	2.0%	2.7%	19.4K	-156.2K	-579	0.25	73.13	4	1	55	2
2026-04-15	$67.57	$66.00	24.5%	7.0%	15.3%	39.2%	0.0%	1.7%	-9.8%	21.0K	-152.7K	-579	0.00	68.00	1	0	58	2
2026-04-16	$67.38	$66.00	23.5%	6.7%	14.7%	36.1%	0.0%	1.5%	-6.8%	24.3K	-141.9K	-535	0.00	62.23	0	5	59	2
2026-04-17	$67.50	$66.00	14.6%	4.2%	14.6%	8.4%	17.2%	1.3%	1.8%	17.2K	-138.6K	-559	0.25	68.59	8	2	59	7
2026-04-20	$67.27	$66.00	49.2%	14.1%	10.4%	100.0%	0.0%	7.0%	-32.3%	19.8K	-121.0K	-505	0.00	65.91	0	0	57	4
2026-04-21	$66.59	$66.00	381.3%	5.2%	10.2%	100.0%	0.0%	-0.3%	-3.0%	18.4K	-102.1K	-509	0.00	64.79	0	0	57	4