MUB Options History — April 2021

In April 2021, MUB traded between $115.94 and $117.08. ATM implied volatility averaged 3.4%, placing in the 5.9% IV rank vs the trailing year. The 30-day expected move averaged 0.9%. IV traded above realized volatility by 1.4% (HV 20d: 2.1%). Max pain ranged from $116.00 to $117.00. Net GEX was positive for 0 of 21 trading days. Term structure was in contango for 20 of 21 days. Put/call ratio averaged 8.14.

Notable Days

2021-04-13: Highest Volume — 806 contracts
2021-04-05: Largest IV spike — 63.1% change
2021-04-05: Highest IV Rank — 11.1%
2021-04-07: Largest Expected Move — 1.2%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$116.67	$115.94	$117.08	$116.02	$116.74
Max Pain	$116.14	$116.00	$117.00	$116.00	$117.00
ATM IV	3.4%	2.6%	4.9%	3.0%	2.9%
Expected Move	0.9%	0.8%	1.2%	0.9%	0.8%
HV 20d	2.1%	1.6%	2.8%	2.8%	1.8%
HV 60d	2.7%	2.7%	2.8%	2.7%	2.7%
IV Rank	5.9%	2.7%	11.1%	4.0%	4.9%
IV Percentile	20.4%	5.2%	52.8%	8.3%	8.7%
Term Structure	0.2%	-0.2%	0.6%	0.6%	0.5%
VWIV	3.7%	2.9%	4.8%	4.8%	4.2%
Skew 25d	1.4%	0.3%	3.5%	1.0%	0.6%
Skew 10d	10.0%	0.7%	32.3%	1.4%	0.7%
Call IV 25d	3.1%	2.6%	3.9%	3.2%	3.1%
Put IV 25d	4.5%	3.7%	6.0%	4.2%	3.7%
Bid-Ask Spread %	40.98	13.42	95.63	37.60	30.03
Gamma HHI	0.33	0.23	0.58	0.33	0.26
Net GEX	-3.6M	-7.5M	-15.2K	-4.2M	-4.8M
Net DEX	2.6M	-2.3M	6.5M	6.2M	1.9M
Net VEX	-32.2K	-56.4K	-16.4K	-31.7K	-35.1K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	8.14	0.17	39.60	1.96	0.68
Total Volume	151.143	0	806	68	2
Total OI	3,776.952	3,349	4,392	3,349	4,392

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
2021-04-01	$116.02	$116.00	3.0%	0.9%	2.8%	4.0%	4.8%	1.0%	0.6%	-4.2M	6.2M	-31.7K	1.96	37.60	23	45	795	2,554
2021-04-05	$115.94	$117.00	4.9%	1.1%	2.8%	11.1%	4.0%	0.5%	0.2%	-4.4M	6.0M	-30.2K	0.76	92.32	41	31	816	2,597
2021-04-06	$116.08	$116.00	4.4%	1.1%	2.8%	9.4%	0.0%	0.5%	0.1%	-4.7M	5.5M	-32.6K	1.05	44.56	20	21	849	2,638
2021-04-07	$116.12	$116.00	4.2%	1.2%	2.6%	8.6%	0.0%	0.8%	-0.2%	-4.0M	4.4M	-29.7K	2.00	38.12	15	30	852	2,619
2021-04-08	$116.38	$116.00	3.5%	1.1%	2.7%	5.8%	4.7%	0.8%	0.3%	-4.5M	3.3M	-31.5K	36.00	33.36	1	36	844	2,649
2021-04-09	$116.38	$116.00	3.7%	1.1%	2.7%	6.8%	0.0%	1.5%	0.2%	-3.4M	4.3M	-34.8K	0.00	33.43	0	0	844	2,685
2021-04-12	$116.42	$116.00	4.5%	1.1%	2.4%	9.9%	0.0%	1.7%	0.2%	-3.1M	3.7M	-33.7K	0.00	30.37	0	30	843	2,685
2021-04-13	$116.52	$116.00	4.1%	0.8%	2.2%	8.2%	3.1%	1.8%	0.4%	-4.8M	3.9M	-35.8K	2.37	30.82	239	567	843	2,701
2021-04-14	$116.63	$116.00	3.3%	0.9%	2.2%	5.1%	0.0%	0.3%	0.3%	-6.6M	333.3K	-37.3K	0.00	31.81	0	85	973	3,040
2021-04-15	$117.03	$116.00	3.2%	0.9%	2.4%	4.8%	3.2%	1.2%	0.2%	-4.6M	-2.3M	-16.4K	0.17	30.09	303	52	829	3,099
2021-04-16	$116.95	$116.00	3.0%	0.8%	1.6%	3.9%	2.9%	1.0%	0.4%	-3.6M	-1.5M	-27.0K	0.53	27.31	19	10	1,034	3,121
2021-04-19	$116.94	$116.00	3.1%	0.9%	1.6%	4.4%	3.4%	1.8%	0.3%	-2.3M	181.2K	-21.2K	5.55	32.56	20	111	863	2,598
2021-04-20	$116.99	$116.00	3.0%	0.8%	1.6%	3.9%	0.0%	1.6%	0.0%	-1.0M	235.0K	-21.4K	16.00	94.37	1	16	883	2,694
2021-04-21	$116.98	$116.00	3.2%	0.9%	1.6%	4.9%	3.9%	2.0%	0.2%	-2.3M	-323.7K	-20.7K	0.00	37.44	0	116	883	2,699
2021-04-22	$117.08	$116.00	2.6%	0.8%	1.6%	2.7%	3.2%	1.3%	0.1%	-15.2K	3.2M	-39.2K	39.60	76.36	5	198	878	2,810
2021-04-23	$117.08	$116.00	3.3%	1.0%	1.6%	5.3%	3.3%	3.5%	0.2%	-1.6M	962.4K	-27.4K	8.83	20.46	23	203	883	3,000
2021-04-26	$117.08	$116.00	3.2%	0.9%	1.6%	4.9%	3.8%	2.3%	0.0%	-972.3K	226.9K	-21.8K	12.00	16.40	1	12	892	3,201
2021-04-27	$117.02	$116.00	3.1%	0.9%	1.6%	4.5%	3.8%	2.1%	0.3%	-2.6M	3.5M	-45.7K	1.86	13.42	162	301	891	3,211
2021-04-28	$116.91	$116.00	3.0%	0.9%	1.6%	4.2%	3.7%	1.7%	0.5%	-3.9M	4.0M	-47.1K	0.97	95.63	162	157	918	3,401
2021-04-29	$116.72	$117.00	3.2%	0.9%	1.8%	6.1%	4.0%	0.5%	0.2%	-7.5M	6.5M	-56.4K	0.68	14.10	69	47	794	3,515
2021-04-30	$116.74	$117.00	2.9%	0.8%	1.8%	4.9%	4.2%	0.6%	0.5%	-4.8M	1.9M	-35.1K	0.00	30.03	0	2	858	3,534