CALX Options History — December 2023

In December 2023, CALX traded between $39.00 and $43.93. ATM implied volatility averaged 40.0%, placing in the 15.4% IV rank vs the trailing year. The 30-day expected move averaged 11.0%. IV traded above realized volatility by 8.3% (HV 20d: 31.7%). Max pain ranged from $35.00 to $40.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 19 of 20 days. Put/call ratio averaged 2.21.

Notable Days

2023-12-21: Highest Volume — 1,045 contracts
2023-12-11: Largest IV spike — 20.9% change
2023-12-11: Highest IV Rank — 31.2%
2023-12-20: Largest Expected Move — 11.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$42.01	$39.00	$43.93	$39.52	$43.92
Max Pain	$39.75	$35.00	$40.00	$35.00	$40.00
ATM IV	40.0%	36.7%	48.4%	37.4%	37.4%
Expected Move	11.0%	10.5%	11.8%	10.7%	10.7%
HV 20d	31.7%	21.5%	48.9%	48.9%	24.4%
HV 60d	57.8%	57.0%	58.2%	57.0%	58.0%
IV Rank	15.4%	9.2%	31.2%	10.4%	10.4%
IV Percentile	28.6%	10.3%	66.7%	13.1%	13.5%
Term Structure	11.1%	-0.6%	17.7%	-0.6%	12.7%
VWIV	38.6%	35.4%	42.0%	37.6%	37.6%
Skew 25d	2.5%	0.6%	9.9%	9.9%	2.2%
Skew 10d	2.6%	-6.6%	16.4%	16.4%	-0.7%
Call IV 25d	38.0%	30.5%	39.7%	30.5%	37.8%
Put IV 25d	40.5%	39.0%	42.4%	40.5%	40.1%
Bid-Ask Spread %	55.98	24.65	86.75	24.65	47.13
Gamma HHI	0.29	0.28	0.30	0.28	0.30
Net GEX	550.0K	432.2K	685.0K	461.6K	685.0K
Net DEX	-14.5M	-17.4M	-10.0M	-11.4M	-17.3M
Net VEX	-56.2K	-62.1K	-51.8K	-57.3K	-51.8K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	2.21	0.01	14.00	1.67	0.06
Total Volume	193.25	14	1,045	352	37
Total OI	11,423.15	10,784	11,975	11,218	11,866

Daily Data (20 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
2023-12-01	$39.52	$35.00	37.4%	10.7%	48.9%	10.4%	37.6%	9.9%	-0.6%	461.6K	-11.4M	-57.3K	1.67	24.65	132	220	9,330	1,888
2023-12-04	$39.00	$40.00	40.7%	10.9%	44.1%	16.7%	38.1%	2.8%	10.2%	432.2K	-10.0M	-56.2K	0.44	56.19	185	81	9,430	2,098
2023-12-05	$39.66	$40.00	41.0%	11.1%	44.0%	17.4%	39.1%	3.8%	9.8%	465.2K	-11.1M	-58.1K	1.54	86.75	52	80	9,537	2,129
2023-12-06	$40.51	$40.00	41.9%	11.3%	44.0%	19.0%	38.8%	3.5%	10.1%	506.8K	-12.9M	-60.2K	0.12	43.39	470	55	9,592	2,180
2023-12-07	$40.61	$40.00	41.2%	11.0%	43.7%	17.6%	38.4%	3.0%	11.0%	518.1K	-13.1M	-62.1K	0.74	57.81	50	37	9,758	2,217
2023-12-08	$41.91	$40.00	40.0%	10.7%	38.2%	15.5%	37.4%	1.8%	13.6%	519.2K	-14.6M	-59.6K	0.23	58.95	161	37	9,036	2,229
2023-12-11	$41.94	$40.00	48.4%	10.9%	37.8%	31.2%	38.8%	1.7%	12.3%	527.7K	-14.6M	-58.7K	0.31	46.72	71	22	9,091	2,247
2023-12-12	$41.20	$40.00	46.2%	10.7%	38.6%	27.1%	37.2%	2.1%	12.2%	508.5K	-13.2M	-56.5K	3.00	61.16	79	237	9,107	2,260
2023-12-13	$41.97	$40.00	38.9%	11.2%	28.7%	13.3%	38.4%	1.3%	11.7%	529.0K	-14.9M	-57.1K	3.75	86.50	24	90	9,130	2,135
2023-12-14	$43.05	$40.00	38.7%	11.1%	29.3%	12.9%	38.5%	0.6%	10.0%	550.4K	-17.1M	-58.5K	0.93	84.03	82	76	9,147	2,152
2023-12-15	$42.94	$40.00	38.4%	11.0%	25.0%	12.4%	35.4%	1.4%	10.6%	538.6K	-16.6M	-57.8K	0.33	85.64	46	15	9,134	2,170
2023-12-18	$42.67	$40.00	38.7%	11.1%	24.3%	12.9%	37.6%	1.8%	10.8%	543.7K	-15.0M	-55.1K	0.17	66.13	24	4	8,798	2,044
2023-12-19	$42.44	$40.00	36.7%	10.5%	24.3%	9.2%	39.4%	1.1%	17.7%	535.3K	-14.4M	-54.5K	0.01	62.40	279	4	8,801	2,047
2023-12-20	$42.31	$40.00	41.1%	11.8%	21.5%	17.5%	42.0%	3.0%	11.8%	531.0K	-14.2M	-53.6K	11.00	49.46	6	66	8,733	2,051
2023-12-21	$43.19	$40.00	38.2%	11.0%	22.1%	12.1%	40.5%	1.2%	11.5%	574.3K	-15.7M	-54.2K	0.02	48.35	1,022	23	8,738	2,077
2023-12-22	$42.63	$40.00	38.7%	11.1%	23.0%	12.9%	41.2%	1.7%	11.1%	597.1K	-14.8M	-54.2K	1.71	57.73	7	12	9,710	2,097
2023-12-26	$43.52	$40.00	39.6%	11.4%	23.5%	14.7%	0.0%	2.9%	11.5%	654.9K	-16.7M	-53.6K	14.00	26.40	2	28	9,710	2,106
2023-12-27	$43.20	$40.00	38.9%	11.2%	24.0%	13.4%	39.8%	1.1%	11.2%	639.6K	-15.9M	-52.4K	1.33	38.44	6	8	9,710	2,130
2023-12-28	$43.93	$40.00	38.0%	10.9%	24.3%	11.6%	38.2%	3.4%	12.8%	681.8K	-17.4M	-52.3K	2.89	31.81	9	26	9,712	2,136
2023-12-29	$43.92	$40.00	37.4%	10.7%	24.4%	10.4%	37.6%	2.2%	12.7%	685.0K	-17.3M	-51.8K	0.06	47.13	35	2	9,713	2,153