CALX Options History — July 2023

In July 2023, CALX traded between $44.33 and $51.13. ATM implied volatility averaged 53.2%, placing in the 40.4% IV rank vs the trailing year. The 30-day expected move averaged 13.8%. IV traded above realized volatility by 23.8% (HV 20d: 29.4%). Max pain ranged from $50.00 to $50.00. Net GEX was positive for 15 of 20 trading days. Term structure was in contango for 1 of 20 days. Put/call ratio averaged 1.14.

Notable Days

2023-07-19: Highest Volume — 3,626 contracts
2023-07-12: Largest IV drop — 36.1% change
2023-07-11: Highest IV Rank — 93.0%
2023-07-03: Largest Expected Move — 18.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$48.18	$44.33	$51.13	$49.67	$44.75
Max Pain	$50.00	$50.00	$50.00	$50.00	$50.00
ATM IV	53.2%	34.6%	81.1%	65.6%	36.7%
Expected Move	13.8%	9.9%	18.8%	18.8%	10.5%
HV 20d	29.4%	24.5%	32.8%	28.1%	31.7%
HV 60d	35.4%	33.4%	38.0%	37.1%	33.5%
IV Rank	40.4%	5.3%	93.0%	63.8%	9.1%
IV Percentile	47.7%	0.4%	99.2%	86.1%	2.8%
Term Structure	-6.9%	-22.6%	0.3%	-22.6%	-0.4%
VWIV	47.9%	35.2%	64.1%	64.1%	36.9%
Skew 25d	2.5%	-0.4%	10.1%	2.9%	2.6%
Skew 10d	2.5%	-9.6%	16.8%	2.2%	4.2%
Call IV 25d	46.8%	34.7%	61.5%	56.0%	37.0%
Put IV 25d	49.3%	36.1%	63.0%	59.0%	39.6%
Bid-Ask Spread %	51.07	25.33	78.94	78.64	56.21
Gamma HHI	0.42	0.26	0.66	0.64	0.27
Net GEX	207.3K	-145.3K	497.2K	466.3K	-17.2K
Net DEX	-2.4M	-9.7M	11.4M	-8.1M	2.1M
Net VEX	-19.8K	-25.7K	-13.7K	-21.1K	-16.8K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.14	0.02	6.91	0.97	0.10
Total Volume	870.2	98	3,626	138	328
Total OI	6,723.75	3,498	15,548	4,812	4,366

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
2023-07-03	$49.67	$50.00	65.6%	18.8%	28.1%	63.8%	64.1%	2.9%	-22.6%	466.3K	-8.1M	-21.1K	0.97	78.64	70	68	4,171	641
2023-07-05	$49.95	$50.00	59.6%	17.1%	24.5%	52.3%	59.9%	-0.4%	-13.9%	497.2K	-8.1M	-20.4K	2.85	78.94	173	493	4,147	701
2023-07-06	$47.81	$50.00	69.6%	14.4%	28.1%	71.3%	50.1%	2.4%	-5.3%	370.8K	-4.9M	-20.0K	0.30	48.29	849	251	4,138	1,088
2023-07-07	$49.27	$50.00	74.5%	14.3%	30.2%	80.6%	50.4%	0.4%	-4.6%	394.7K	-7.1M	-22.6K	0.30	46.36	217	65	4,487	1,311
2023-07-10	$49.34	$50.00	78.2%	14.6%	29.4%	87.5%	51.0%	1.8%	-5.8%	410.9K	-7.1M	-21.4K	0.17	45.71	183	32	4,523	1,366
2023-07-11	$49.89	$50.00	81.1%	14.7%	29.7%	93.0%	51.2%	3.2%	-6.9%	418.1K	-7.9M	-20.7K	0.21	47.24	239	50	4,515	1,365
2023-07-12	$50.12	$50.00	51.8%	14.9%	27.0%	37.8%	52.0%	2.6%	-7.3%	414.1K	-8.4M	-20.5K	0.66	46.63	307	204	4,544	1,377
2023-07-13	$51.13	$50.00	53.6%	15.4%	27.9%	41.2%	53.4%	1.6%	-8.3%	408.8K	-9.7M	-21.1K	0.15	41.44	727	110	4,605	1,553
2023-07-14	$49.78	$50.00	54.0%	15.5%	29.1%	41.8%	54.1%	4.1%	-9.3%	380.9K	-7.3M	-21.1K	5.79	51.60	117	678	5,157	1,695
2023-07-17	$49.39	$50.00	56.2%	16.1%	29.2%	46.0%	55.6%	10.1%	-10.4%	332.8K	-5.5M	-20.2K	1.16	50.93	644	749	5,220	2,329
2023-07-18	$49.20	$50.00	58.9%	16.9%	28.4%	51.1%	58.6%	3.4%	-12.4%	246.9K	-4.5M	-22.5K	6.91	45.74	454	3,139	5,673	3,079
2023-07-19	$48.92	$50.00	60.0%	17.2%	28.3%	53.2%	61.3%	-0.1%	-13.2%	-48.6K	450.0K	-25.7K	0.09	33.61	3,332	294	6,008	5,777
2023-07-20	$47.30	$50.00	43.8%	12.6%	30.1%	22.6%	41.0%	5.5%	-9.0%	-145.3K	11.2M	-15.7K	0.29	66.07	838	241	9,255	5,895
2023-07-21	$46.56	$50.00	38.0%	10.9%	30.3%	11.7%	38.0%	1.9%	-1.4%	33.5K	11.4M	-13.7K	0.91	30.44	413	376	9,663	5,885
2023-07-24	$46.33	$50.00	36.8%	10.6%	30.0%	9.4%	36.7%	1.4%	-1.3%	29.5K	597.3K	-16.3K	1.55	58.41	326	505	2,216	1,282
2023-07-25	$47.50	$50.00	40.3%	11.5%	31.5%	15.9%	36.1%	0.1%	-4.0%	13.4K	-110.0K	-22.1K	0.02	64.90	310	5	2,374	1,709
2023-07-26	$46.93	$50.00	36.4%	10.4%	30.9%	8.6%	35.9%	1.1%	-1.9%	2.7K	600.1K	-19.9K	0.18	68.74	83	15	2,391	1,713
2023-07-27	$45.43	$50.00	35.1%	10.1%	32.8%	6.1%	35.7%	1.6%	-0.9%	-25.4K	1.8M	-17.5K	0.08	36.20	98	8	2,411	1,698
2023-07-28	$44.33	$50.00	34.6%	9.9%	31.3%	5.3%	35.2%	2.8%	0.3%	-38.2K	2.5M	-16.4K	0.05	25.33	394	19	2,440	1,707
2023-07-31	$44.75	$50.00	36.7%	10.5%	31.7%	9.1%	36.9%	2.6%	-0.4%	-17.2K	2.1M	-16.8K	0.10	56.21	297	31	2,649	1,717