OPEN Options History — December 2021

In December 2021, OPEN traded between $13.30 and $15.59. ATM implied volatility averaged 75.4%, placing in the 56.9% IV rank vs the trailing year. The 30-day expected move averaged 21.6%. IV traded above realized volatility by 1.4% (HV 20d: 74.0%). Max pain ranged from $16.00 to $20.00. Net GEX was positive for 19 of 22 trading days. Term structure was in contango for 11 of 22 days. Put/call ratio averaged 0.72.

Notable Days

2021-12-17: Highest Volume — 67,517 contracts
2021-12-21: Largest IV drop — 11.4% change
2021-12-03: Highest IV Rank — 67.7%
2021-12-03: Largest Expected Move — 27.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$14.56	$13.30	$15.59	$14.73	$14.60
Max Pain	$16.55	$16.00	$20.00	$20.00	$16.00
ATM IV	75.4%	68.3%	88.9%	80.7%	70.0%
Expected Move	21.6%	19.2%	27.6%	25.2%	19.5%
HV 20d	74.0%	56.4%	106.3%	106.3%	56.4%
HV 60d	79.8%	78.8%	80.9%	79.5%	79.1%
IV Rank	56.9%	51.3%	67.7%	61.2%	52.6%
IV Percentile	55.8%	36.5%	85.3%	70.6%	40.1%
Term Structure	0.1%	-3.0%	4.5%	0.1%	4.3%
VWIV	76.3%	68.1%	99.5%	86.6%	68.1%
Skew 25d	2.7%	-1.2%	6.6%	0.3%	-1.2%
Skew 10d	6.1%	-7.2%	23.5%	-7.2%	9.1%
Call IV 25d	75.9%	68.5%	88.0%	80.5%	73.6%
Put IV 25d	78.6%	70.5%	89.2%	80.8%	72.4%
Bid-Ask Spread %	21.55	9.29	36.79	10.45	15.13
Gamma HHI	0.08	0.06	0.15	0.07	0.09
Net GEX	1.3M	-431.0K	3.4M	-431.0K	2.5M
Net DEX	9.5M	-39.5M	62.9M	59.6M	-11.8M
Net VEX	-2.2M	-2.4M	-2.0M	-2.2M	-2.1M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.72	0.17	1.91	0.46	0.71
Total Volume	26,773.682	10,829	67,517	27,908	21,939
Total OI	673,885.773	636,954	718,384	657,779	651,116

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 Vol	Put Vol	Call OI	Put OI
2021-12-01	$14.73	$20.00	80.7%	25.2%	106.3%	61.2%	86.6%	0.3%	0.1%	-431.0K	59.6M	-2.2M	0.46	10.45	19,109	8,799	395,012	262,767
2021-12-02	$14.55	$20.00	84.2%	24.7%	106.3%	64.0%	88.7%	-0.9%	-1.7%	-274.5K	62.9M	-2.2M	0.22	26.15	37,228	8,322	401,654	264,050
2021-12-03	$13.91	$20.00	88.9%	27.6%	90.3%	67.7%	99.5%	1.2%	-0.4%	-56.5K	56.3M	-2.1M	0.45	27.55	24,305	10,904	422,400	264,459
2021-12-06	$14.89	$16.00	79.8%	22.9%	95.0%	60.4%	81.3%	3.7%	0.2%	440.3K	7.7M	-2.3M	0.29	28.21	31,665	9,179	421,077	253,171
2021-12-07	$15.26	$16.00	73.8%	21.3%	96.3%	55.7%	72.2%	-0.8%	-2.1%	812.6K	-3.2M	-2.4M	0.42	18.11	15,681	6,624	437,771	255,508
2021-12-08	$15.59	$16.00	71.0%	20.1%	96.7%	53.4%	72.7%	3.2%	4.5%	1.0M	-14.8M	-2.4M	0.56	13.00	8,086	4,550	440,557	255,152
2021-12-09	$15.16	$16.00	73.7%	20.5%	92.2%	55.6%	72.2%	1.0%	0.5%	721.8K	9.6M	-2.3M	0.69	22.19	6,410	4,419	442,383	255,773
2021-12-10	$15.00	$16.00	70.3%	19.6%	65.2%	52.8%	71.0%	1.7%	-0.4%	455.8K	19.2M	-2.3M	1.03	9.29	6,220	6,436	444,241	256,485
2021-12-13	$14.68	$16.00	72.7%	20.5%	62.6%	54.8%	72.1%	4.5%	-0.5%	506.7K	27.9M	-2.2M	1.91	13.01	6,269	11,985	442,909	253,139
2021-12-14	$13.97	$16.00	75.5%	21.8%	63.3%	57.0%	75.8%	3.2%	0.6%	234.4K	51.2M	-2.1M	0.28	14.05	21,417	6,102	445,041	256,289
2021-12-15	$13.95	$16.00	76.8%	21.6%	63.1%	58.0%	77.2%	6.6%	-1.4%	458.1K	44.8M	-2.1M	0.83	36.79	8,129	6,744	457,578	255,759
2021-12-16	$13.30	$16.00	78.5%	22.0%	63.6%	59.4%	77.5%	0.7%	-2.3%	6.0K	59.2M	-2.0M	0.62	31.88	9,185	5,705	460,356	256,410
2021-12-17	$14.23	$16.00	82.7%	23.4%	71.2%	62.8%	82.5%	3.0%	-3.0%	968.8K	26.2M	-2.2M	0.17	31.61	57,632	9,885	460,700	257,684
2021-12-20	$14.04	$16.00	84.8%	24.1%	70.7%	64.5%	85.6%	2.3%	-1.3%	1.9M	-12.0M	-2.1M	0.22	21.52	31,251	6,865	409,614	227,340
2021-12-21	$14.72	$16.00	75.1%	21.5%	72.2%	56.7%	75.1%	3.7%	-0.9%	2.6M	-39.5M	-2.2M	0.32	16.79	15,692	5,041	414,116	229,304
2021-12-22	$14.80	$16.00	70.3%	20.2%	61.5%	52.9%	71.5%	4.7%	1.1%	2.8M	-33.5M	-2.2M	0.38	26.72	11,429	4,353	412,154	229,971
2021-12-23	$14.89	$16.00	69.4%	19.8%	60.5%	52.2%	69.7%	6.0%	2.1%	3.4M	-38.5M	-2.2M	1.36	24.92	10,897	14,814	417,777	230,399
2021-12-27	$14.63	$16.00	70.5%	20.2%	59.5%	53.0%	71.1%	4.8%	0.2%	2.4M	-24.0M	-2.2M	1.46	24.97	9,663	14,127	411,408	227,829
2021-12-28	$14.60	$16.00	69.5%	20.0%	59.4%	52.2%	70.5%	5.7%	-0.2%	2.4M	-15.8M	-2.1M	0.62	17.91	24,211	14,985	415,470	228,732
2021-12-29	$14.14	$16.00	72.2%	20.1%	60.0%	54.4%	70.8%	4.1%	1.6%	2.0M	2.5M	-2.0M	1.31	18.25	11,499	15,059	421,202	229,695
2021-12-30	$14.73	$16.00	68.3%	19.2%	56.5%	51.3%	68.2%	1.8%	1.1%	2.8M	-24.2M	-2.1M	1.43	25.62	10,782	15,424	419,828	231,207
2021-12-31	$14.60	$16.00	70.0%	19.5%	56.4%	52.6%	68.1%	-1.2%	4.3%	2.5M	-11.8M	-2.1M	0.71	15.13	12,830	9,109	419,490	231,626