HYD Options History — August 2025

In August 2025, HYD traded between $49.14 and $49.53. ATM implied volatility averaged 6.2%, placing in the 7.4% IV rank vs the trailing year. The 30-day expected move averaged 1.8%. IV traded above realized volatility by 2.3% (HV 20d: 3.9%). Max pain ranged from $50.00 to $52.00. Net GEX was positive for 0 of 21 trading days. Term structure was in contango for 16 of 21 days. Put/call ratio averaged 33.41.

Notable Days

2025-08-13: Highest Volume — 5,109 contracts
2025-08-08: Largest IV spike — 24.1% change
2025-08-04: Highest IV Rank — 12.6%
2025-08-05: Largest Expected Move — 2.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$49.31	$49.14	$49.53	$49.42	$49.53
Max Pain	$51.90	$50.00	$52.00	$50.00	$52.00
ATM IV	6.2%	4.5%	7.8%	7.3%	5.5%
Expected Move	1.8%	1.3%	2.1%	2.1%	1.6%
HV 20d	3.9%	2.8%	4.9%	4.9%	2.8%
HV 60d	4.5%	3.9%	4.8%	4.8%	3.9%
IV Rank	7.4%	1.7%	12.6%	10.9%	4.9%
IV Percentile	21.4%	2.8%	48.0%	39.3%	8.3%
Term Structure	0.5%	-0.6%	3.0%	-0.4%	-0.6%
VWIV	7.0%	3.6%	10.3%	7.3%	10.3%
Skew 25d	1.9%	-1.1%	4.1%	2.5%	0.3%
Skew 10d	2.9%	0.1%	6.2%	1.4%	3.8%
Call IV 25d	5.3%	3.3%	6.8%	4.6%	6.2%
Put IV 25d	7.3%	5.4%	8.3%	7.1%	6.5%
Bid-Ask Spread %	31.95	17.07	91.97	39.30	21.70
Gamma HHI	0.57	0.17	0.87	0.28	0.84
Net GEX	-1.9M	-3.8M	-176.8K	-234.2K	-3.0M
Net DEX	11.4M	8.9M	14.0M	8.9M	11.3M
Net VEX	-16.1K	-28.6K	-8.4K	-8.9K	-13.7K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	33.41	0.00	509.90	0.54	0.04
Total Volume	352.381	1	5,109	160	24
Total OI	7,356.714	4,046	9,645	4,046	9,645

Daily Data (21 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
2025-08-01	$49.42	$50.00	7.3%	2.1%	4.9%	10.9%	7.3%	2.5%	-0.4%	-234.2K	8.9M	-8.9K	0.54	39.30	104	56	1,710	2,336
2025-08-04	$49.39	$52.00	7.8%	2.0%	4.8%	12.6%	7.6%	2.2%	0.0%	-176.8K	8.9M	-8.4K	0.00	17.07	0	861	1,804	2,304
2025-08-05	$49.41	$52.00	7.8%	2.1%	4.8%	12.5%	6.8%	2.1%	-0.0%	-223.6K	9.2M	-11.3K	30.11	18.51	9	271	1,804	2,429
2025-08-06	$49.25	$52.00	6.1%	1.9%	4.8%	7.1%	9.3%	2.5%	0.3%	-254.1K	9.5M	-10.9K	0.00	91.97	0	455	1,812	2,533
2025-08-07	$49.22	$52.00	5.8%	1.8%	4.7%	6.1%	8.6%	3.2%	1.4%	-310.9K	10.1M	-8.9K	0.21	37.20	28	6	1,812	2,706
2025-08-08	$49.20	$52.00	7.2%	2.0%	4.4%	10.9%	5.6%	-1.1%	0.3%	-303.4K	9.9M	-10.4K	7.00	30.15	1	7	1,817	2,709
2025-08-11	$49.28	$52.00	6.0%	2.0%	4.4%	6.5%	6.6%	1.8%	0.1%	-316.0K	9.7M	-11.3K	0.17	19.34	42	7	1,818	2,710
2025-08-12	$49.34	$52.00	5.6%	1.8%	4.3%	5.4%	6.0%	1.6%	0.4%	-366.8K	9.6M	-11.1K	0.00	25.88	0	29	1,827	2,717
2025-08-13	$49.36	$52.00	6.3%	1.8%	4.1%	7.5%	8.1%	1.3%	0.7%	-332.8K	9.8M	-9.7K	509.90	25.55	10	5,099	1,827	2,743
2025-08-14	$49.22	$52.00	6.2%	1.8%	3.8%	7.3%	6.2%	1.1%	0.4%	-3.0M	13.5M	-26.7K	1.36	36.35	11	15	1,817	7,762
2025-08-15	$49.20	$52.00	6.3%	1.8%	3.7%	7.8%	6.5%	1.5%	0.1%	-2.8M	14.0M	-28.6K	0.00	37.02	0	6	1,818	7,777
2025-08-18	$49.23	$52.00	7.0%	2.0%	3.3%	9.9%	7.0%	1.4%	-0.3%	-2.9M	13.8M	-25.0K	8.90	40.70	10	89	1,774	7,676
2025-08-19	$49.20	$52.00	6.7%	1.9%	3.3%	8.9%	6.8%	1.2%	0.3%	-2.8M	13.7M	-24.6K	2.27	24.66	11	25	1,782	7,766
2025-08-20	$49.20	$52.00	6.8%	1.9%	3.2%	9.3%	6.8%	1.4%	-0.1%	-3.4M	13.3M	-21.7K	0.11	35.42	9	1	1,793	7,788
2025-08-21	$49.14	$52.00	5.8%	1.7%	3.3%	6.0%	6.0%	0.6%	0.7%	-3.8M	13.0M	-19.1K	0.38	20.12	8	3	1,802	7,789
2025-08-22	$49.34	$52.00	5.8%	1.7%	3.5%	5.9%	5.8%	3.0%	0.6%	-3.0M	12.1M	-16.1K	0.46	60.10	59	27	1,802	7,789
2025-08-25	$49.25	$52.00	5.6%	1.6%	3.6%	5.2%	7.5%	2.4%	1.0%	-3.6M	11.8M	-14.1K	5.00	17.44	6	30	1,859	7,780
2025-08-26	$49.30	$52.00	5.8%	1.7%	3.3%	6.1%	0.0%	3.4%	0.6%	-3.2M	11.6M	-13.9K	0.00	19.15	1	0	1,861	7,750
2025-08-27	$49.44	$52.00	4.5%	1.3%	3.3%	1.7%	3.6%	3.9%	3.0%	-2.5M	13.1M	-23.1K	0.02	26.79	45	1	1,862	7,750
2025-08-28	$49.51	$52.00	5.1%	1.5%	3.2%	3.8%	0.0%	4.1%	2.5%	-2.4M	12.5M	-20.2K	1.43	26.54	14	20	1,881	7,750
2025-08-29	$49.53	$52.00	5.5%	1.6%	2.8%	4.9%	10.3%	0.3%	-0.6%	-3.0M	11.3M	-13.7K	0.04	21.70	23	1	1,875	7,770