MU Options History — August 2021

In August 2021, MU traded between $70.16 and $81.95. ATM implied volatility averaged 33.6%, placing in the 13.4% IV rank vs the trailing year. The 30-day expected move averaged 9.2%. IV traded below realized volatility by 3.2% (HV 20d: 36.8%). Max pain ranged from $76.00 to $80.00. Net GEX was positive for 5 of 22 trading days. Term structure was in contango for 15 of 22 days. Put/call ratio averaged 0.62.

Notable Days

2021-08-12: Highest Volume — 616,385 contracts
2021-08-30: Largest IV spike — 8.1% change
2021-08-31: Highest IV Rank — 24.9%
2021-08-12: Largest Expected Move — 10.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$74.55	$70.16	$81.95	$77.74	$73.87
Max Pain	$78.20	$76.00	$80.00	$77.50	$76.00
ATM IV	33.6%	31.6%	37.3%	32.1%	37.3%
Expected Move	9.2%	8.2%	10.1%	9.0%	8.2%
HV 20d	36.8%	28.9%	41.8%	30.8%	37.1%
HV 60d	35.3%	32.7%	36.8%	35.4%	35.8%
IV Rank	13.4%	6.9%	24.9%	8.6%	24.9%
IV Percentile	9.7%	3.6%	24.6%	6.0%	24.6%
Term Structure	1.5%	-1.7%	7.5%	-0.5%	-1.7%
VWIV	33.1%	29.7%	36.0%	32.4%	30.1%
Skew 25d	1.6%	-0.3%	2.9%	1.1%	1.1%
Skew 10d	3.4%	-1.4%	7.2%	2.7%	2.0%
Call IV 25d	33.5%	30.3%	38.1%	32.6%	38.1%
Put IV 25d	35.1%	31.2%	39.2%	33.7%	39.2%
Bid-Ask Spread %	2.51	1.61	6.85	2.59	1.93
Gamma HHI	0.10	0.05	0.46	0.06	0.08
Net GEX	-40.4M	-191.5M	78.1M	-19.3M	-29.4M
Net DEX	905.8M	-1.54B	2.73B	-55.9M	673.5M
Net VEX	-20.0M	-20.8M	-18.3M	-19.5M	-20.6M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.62	0.24	0.83	0.83	0.83
Total Volume	195,358.364	90,141	616,385	150,630	92,077
Total OI	1,964,289.818	1,748,537	2,250,235	1,748,537	1,907,020

Daily Data (22 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 Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2021-08-02	$77.74	$77.50	32.1%	9.0%	30.8%	8.6%	32.4%	1.1%	-0.5%	-19.3M	-55.9M	-19.5M	0.83	2.59	N/A	N/A	82,435	68,195	809,578	938,959
2021-08-03	$80.51	$77.50	33.3%	9.3%	33.2%	12.5%	33.3%	-0.0%	-0.4%	16.2M	-942.7M	-20.3M	0.43	2.91	N/A	N/A	147,670	62,864	826,794	950,927
2021-08-04	$81.83	$77.50	34.9%	9.6%	31.1%	17.5%	34.0%	-0.3%	-0.4%	32.8M	-1.43B	-20.7M	0.27	2.90	N/A	N/A	196,973	53,339	851,209	990,549
2021-08-05	$81.35	$80.00	34.3%	9.7%	29.9%	15.4%	35.3%	0.6%	-0.3%	38.2M	-1.29B	-20.8M	0.63	2.41	N/A	N/A	88,405	55,722	868,224	997,235
2021-08-06	$81.95	$80.00	32.7%	9.3%	28.9%	10.4%	34.0%	0.5%	-0.1%	78.1M	-1.54B	-20.4M	0.54	2.70	N/A	N/A	94,161	51,241	899,952	1,007,928
2021-08-09	$80.47	$80.00	33.0%	9.4%	29.5%	11.5%	33.8%	2.6%	0.0%	7.3M	-826.2M	-20.2M	0.76	2.61	N/A	N/A	77,758	58,865	853,432	976,144
2021-08-10	$75.88	$80.00	34.5%	9.9%	36.2%	16.1%	35.3%	2.6%	0.2%	-49.2M	768.9M	-19.7M	0.70	2.50	N/A	N/A	182,872	127,996	866,866	990,650
2021-08-11	$75.12	$80.00	33.3%	9.6%	36.3%	12.2%	35.0%	2.1%	0.4%	-68.2M	1.14B	-19.6M	0.80	2.15	N/A	N/A	149,144	118,680	892,968	1,022,720
2021-08-12	$70.47	$80.00	34.9%	10.1%	41.8%	17.5%	36.0%	2.8%	0.4%	-89.4M	2.59B	-18.3M	0.78	2.23	N/A	N/A	345,877	270,508	941,677	1,078,960
2021-08-13	$70.80	$80.00	32.8%	9.5%	41.3%	10.8%	33.8%	1.9%	0.8%	-106.2M	2.73B	-18.9M	0.76	1.95	N/A	N/A	120,471	91,734	980,004	1,138,689
2021-08-16	$70.76	$77.50	33.8%	9.7%	41.1%	13.8%	34.7%	1.8%	1.2%	-76.9M	2.34B	-19.5M	0.77	1.61	N/A	N/A	104,773	80,350	988,489	1,148,904
2021-08-17	$70.37	$77.50	33.8%	9.7%	40.2%	13.8%	34.3%	2.4%	1.3%	-82.7M	2.50B	-19.7M	0.80	2.63	N/A	N/A	86,953	69,300	1,003,139	1,176,164
2021-08-18	$70.88	$77.50	33.6%	9.6%	39.6%	13.3%	33.9%	2.7%	4.8%	-79.9M	2.39B	-20.0M	0.44	2.17	N/A	N/A	77,619	34,438	1,022,527	1,207,925
2021-08-19	$70.28	$77.50	34.1%	9.8%	39.1%	15.0%	35.2%	2.4%	0.7%	-75.2M	2.54B	-20.0M	0.56	2.26	N/A	N/A	97,623	54,756	1,048,194	1,190,530
2021-08-20	$70.16	$77.50	32.0%	9.0%	38.9%	8.3%	32.0%	2.9%	1.5%	-191.5M	2.61B	-19.7M	0.75	1.70	N/A	N/A	92,347	68,910	1,053,103	1,197,132
2021-08-23	$71.66	$77.50	31.8%	8.7%	39.8%	7.6%	30.8%	1.8%	4.7%	-41.2M	1.37B	-19.8M	0.72	2.42	N/A	N/A	83,685	59,873	814,040	1,011,802
2021-08-24	$71.97	$77.50	31.6%	8.6%	38.4%	6.9%	30.7%	1.3%	4.9%	-39.2M	1.26B	-20.1M	0.45	2.20	N/A	N/A	100,400	45,311	828,371	1,028,454
2021-08-25	$74.26	$77.50	33.0%	8.9%	39.0%	11.4%	31.9%	-0.2%	4.1%	-25.8M	483.3M	-20.7M	0.24	6.85	N/A	N/A	259,857	62,799	853,494	1,055,160
2021-08-26	$72.80	$77.50	34.4%	9.0%	39.0%	15.8%	32.3%	2.4%	5.2%	-26.0M	1.03B	-20.7M	0.52	2.06	N/A	N/A	96,419	50,328	872,400	1,069,094
2021-08-27	$73.88	$77.50	33.0%	8.2%	39.4%	11.4%	29.7%	0.9%	7.5%	-23.5M	690.4M	-20.8M	0.36	2.27	N/A	N/A	106,464	38,551	902,025	1,082,606
2021-08-30	$73.17	$77.00	35.6%	8.4%	39.4%	19.7%	29.8%	1.3%	-1.1%	-37.6M	907.4M	-20.2M	0.76	2.09	N/A	N/A	51,239	38,902	837,807	1,032,531
2021-08-31	$73.87	$76.00	37.3%	8.2%	37.1%	24.9%	30.1%	1.1%	-1.7%	-29.4M	673.5M	-20.6M	0.83	1.93	N/A	N/A	50,341	41,736	863,420	1,043,600