CALX Options History — January 2025

In January 2025, CALX traded between $33.99 and $40.41. ATM implied volatility averaged 50.3%, placing in the 40.1% IV rank vs the trailing year. The 30-day expected move averaged 15.3%. IV traded above realized volatility by 7.0% (HV 20d: 43.4%). Max pain ranged from $35.00 to $40.00. Net GEX was positive for 14 of 20 trading days. Term structure was in contango for 3 of 20 days. Put/call ratio averaged 1.57.

Notable Days

2025-01-30: Highest Volume — 687 contracts
2025-01-13: Largest IV spike — 42.4% change
2025-01-27: Highest IV Rank — 69.0%
2025-01-27: Largest Expected Move — 20.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$37.54	$33.99	$40.41	$33.99	$39.59
Max Pain	$36.50	$35.00	$40.00	$35.00	$40.00
ATM IV	50.3%	35.5%	71.7%	35.5%	39.5%
Expected Move	15.3%	10.2%	20.5%	10.2%	11.3%
HV 20d	43.4%	33.9%	56.7%	34.7%	56.7%
HV 60d	47.5%	43.9%	51.3%	43.9%	51.3%
IV Rank	40.1%	20.0%	69.0%	20.0%	25.5%
IV Percentile	68.9%	21.4%	99.2%	21.4%	48.4%
Term Structure	-4.4%	-13.3%	16.0%	15.1%	1.0%
VWIV	51.0%	26.3%	65.7%	39.1%	34.3%
Skew 25d	5.5%	0.4%	20.2%	8.3%	20.2%
Skew 10d	15.8%	-9.8%	35.6%	19.4%	22.4%
Call IV 25d	48.8%	20.8%	63.1%	29.8%	20.8%
Put IV 25d	54.3%	37.2%	67.6%	38.1%	41.0%
Bid-Ask Spread %	65.38	49.51	85.99	85.99	81.07
Gamma HHI	0.37	0.23	0.70	0.54	0.24
Net GEX	10.6K	-788.4K	311.2K	-788.4K	178.6K
Net DEX	-2.4M	-4.1M	3.6M	3.6M	-3.6M
Net VEX	-14.1K	-25.0K	-10.8K	-25.0K	-16.0K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.57	0.00	12.60	11.57	1.81
Total Volume	144.9	6	687	88	132
Total OI	9,803.95	1,826	16,053	15,950	3,086

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
2025-01-02	$33.99	$35.00	35.5%	10.2%	34.7%	20.0%	39.1%	8.3%	15.1%	-788.4K	3.6M	-25.0K	11.57	85.99	7	81	2,590	13,360
2025-01-03	$35.52	$35.00	35.8%	10.2%	37.9%	20.3%	34.8%	3.1%	16.0%	-365.4K	-62.5K	-19.6K	0.11	82.15	35	4	2,597	13,341
2025-01-06	$36.37	$35.00	41.8%	14.5%	36.8%	28.5%	52.1%	2.5%	-4.5%	-178.1K	-1.5M	-16.7K	0.58	61.88	36	21	2,625	13,341
2025-01-07	$36.27	$35.00	37.1%	15.2%	33.9%	22.2%	0.0%	2.9%	-5.4%	-151.2K	-1.7M	-16.0K	0.05	58.90	21	1	2,643	13,362
2025-01-08	$38.52	$35.00	40.5%	15.6%	38.3%	26.7%	53.0%	3.1%	-5.6%	114.7K	-4.1M	-13.7K	0.12	59.11	181	22	2,633	13,363
2025-01-10	$36.11	$35.00	41.4%	15.9%	45.3%	28.0%	55.6%	0.9%	-6.5%	-132.0K	-1.8M	-14.4K	0.45	57.16	11	5	2,629	13,362
2025-01-13	$36.21	$35.00	59.0%	16.3%	44.9%	51.8%	55.9%	2.5%	-6.8%	-100.8K	-1.9M	-12.9K	0.20	59.43	5	1	2,619	13,361
2025-01-14	$36.72	$35.00	47.1%	15.9%	45.1%	35.8%	54.9%	2.8%	-6.9%	96.1K	-2.8M	-11.8K	0.20	57.12	15	3	2,624	13,362
2025-01-15	$37.59	$35.00	55.5%	15.9%	45.3%	47.1%	55.1%	2.4%	-7.2%	222.2K	-3.6M	-11.5K	0.25	58.45	8	2	2,631	13,365
2025-01-16	$38.16	$35.00	55.7%	16.0%	44.4%	47.4%	56.4%	4.4%	-7.8%	232.2K	-4.1M	-11.3K	12.60	65.81	5	63	2,633	13,363
2025-01-17	$37.90	$35.00	52.1%	14.9%	44.4%	42.5%	51.8%	9.1%	-5.0%	311.2K	-4.1M	-10.8K	0.00	70.20	484	1	2,637	13,416
2025-01-21	$38.17	$35.00	54.4%	15.6%	40.7%	45.6%	53.7%	7.8%	-7.4%	78.4K	-2.6M	-12.1K	0.28	68.36	32	9	1,519	307
2025-01-22	$38.90	$35.00	55.0%	15.8%	41.0%	46.4%	45.5%	8.9%	-6.5%	84.9K	-2.9M	-12.1K	0.05	73.55	374	20	1,546	314
2025-01-23	$39.72	$35.00	55.5%	15.9%	41.0%	47.0%	55.6%	1.6%	-7.1%	104.8K	-3.4M	-13.3K	1.26	70.73	70	88	1,762	314
2025-01-24	$39.20	$40.00	55.6%	16.0%	41.3%	47.3%	55.0%	0.8%	-8.3%	99.8K	-3.1M	-13.2K	0.03	55.70	78	2	1,772	382
2025-01-27	$37.09	$40.00	71.7%	20.5%	46.7%	69.0%	62.4%	0.4%	-13.3%	84.2K	-2.3M	-12.3K	0.60	69.98	5	3	1,851	382
2025-01-28	$37.52	$40.00	64.9%	18.6%	46.7%	59.8%	61.6%	4.7%	-8.7%	91.5K	-2.5M	-12.5K	0.75	50.75	8	6	1,855	385
2025-01-29	$36.88	$40.00	65.6%	18.8%	46.3%	60.7%	65.7%	4.6%	-12.2%	84.7K	-2.2M	-12.1K	0.38	49.51	269	103	1,862	390
2025-01-30	$40.41	$40.00	42.9%	12.3%	56.0%	30.0%	26.3%	19.8%	-0.1%	144.4K	-3.9M	-14.3K	0.10	71.84	625	62	2,051	444
2025-01-31	$39.59	$40.00	39.5%	11.3%	56.7%	25.5%	34.3%	20.2%	1.0%	178.6K	-3.6M	-16.0K	1.81	81.07	47	85	2,600	486