CALX Options History — November 2025

In November 2025, CALX traded between $53.36 and $67.82. ATM implied volatility averaged 43.5%, placing in the 31.2% IV rank vs the trailing year. The 30-day expected move averaged 12.1%. IV traded below realized volatility by 6.9% (HV 20d: 50.4%). Max pain ranged from $47.50 to $65.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 8 of 19 days. Put/call ratio averaged 17.08.

Notable Days

2025-11-03: Highest Volume — 1,019 contracts
2025-11-04: Largest IV spike — 36.9% change
2025-11-11: Highest IV Rank — 48.3%
2025-11-21: Largest Expected Move — 15.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$59.71	$53.36	$67.82	$66.68	$55.25
Max Pain	$53.68	$47.50	$65.00	$47.50	$47.50
ATM IV	43.5%	33.7%	56.6%	33.7%	41.9%
Expected Move	12.1%	9.7%	15.1%	9.7%	12.0%
HV 20d	50.4%	41.5%	56.8%	42.9%	41.5%
HV 60d	35.6%	32.4%	37.8%	32.4%	37.1%
IV Rank	31.2%	17.1%	48.3%	17.1%	29.7%
IV Percentile	63.7%	28.6%	90.1%	28.6%	61.9%
Term Structure	-1.2%	-11.0%	11.0%	8.5%	-5.1%
VWIV	38.4%	18.6%	46.0%	34.7%	42.8%
Skew 25d	2.5%	-10.5%	19.7%	-5.0%	5.6%
Skew 10d	1.4%	-10.6%	11.0%	-7.1%	2.7%
Call IV 25d	39.8%	31.7%	48.7%	47.2%	37.2%
Put IV 25d	42.4%	30.0%	51.5%	42.2%	42.8%
Bid-Ask Spread %	103.21	78.17	116.88	96.04	116.88
Gamma HHI	0.29	0.14	0.59	0.59	0.15
Net GEX	145.2K	72.8K	427.0K	427.0K	77.9K
Net DEX	-2.8M	-11.0M	1.3M	-11.0M	-2.4M
Net VEX	-12.4K	-20.4K	-7.2K	-13.7K	-7.2K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	17.08	0.00	260.33	23.85	0.00
Total Volume	134.158	0	1,019	1,019	0
Total OI	2,960.421	1,049	3,679	2,537	1,050

Daily Data (19 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
2025-11-03	$66.68	$47.50	33.7%	9.7%	42.9%	17.1%	34.7%	-5.0%	8.5%	427.0K	-11.0M	-13.7K	23.85	96.04	41	978	2,276	261
2025-11-04	$65.35	$65.00	46.1%	13.2%	43.0%	34.1%	39.3%	-2.1%	-2.5%	123.7K	-5.9M	-20.4K	0.01	78.17	81	1	2,315	1,272
2025-11-05	$67.82	$65.00	36.5%	10.5%	44.4%	21.0%	40.2%	10.9%	5.0%	73.2K	-8.4M	-19.4K	0.20	89.92	5	1	2,367	1,271
2025-11-06	$64.72	$62.50	41.6%	9.8%	48.0%	28.0%	33.8%	-3.5%	0.3%	142.4K	-5.8M	-17.5K	0.04	96.10	27	1	2,367	1,272
2025-11-07	$64.41	$62.50	39.1%	12.3%	46.5%	24.5%	39.5%	9.8%	-5.1%	209.3K	-3.9M	-17.7K	0.79	99.56	14	11	2,382	1,271
2025-11-10	$63.82	$62.50	44.8%	12.3%	46.6%	32.2%	42.1%	-0.6%	-7.6%	176.4K	-4.1M	-16.8K	0.61	104.02	33	20	2,388	1,270
2025-11-11	$62.59	$60.00	56.6%	11.1%	47.2%	48.3%	40.2%	-1.6%	-1.5%	187.6K	-2.8M	-16.3K	0.48	104.33	23	11	2,399	1,270
2025-11-12	$63.72	$60.00	43.8%	12.6%	47.5%	30.9%	39.0%	11.9%	-2.9%	183.9K	-3.8M	-16.5K	1.00	104.45	3	3	2,411	1,266
2025-11-13	$59.88	$60.00	38.4%	11.0%	52.8%	23.6%	37.2%	-10.5%	0.8%	193.2K	-42.2K	-12.9K	0.00	101.54	180	0	2,413	1,266
2025-11-14	$59.10	$47.50	45.2%	12.9%	52.8%	32.8%	42.3%	0.3%	-7.2%	207.4K	120.1K	-11.7K	0.00	108.56	90	0	2,437	1,140
2025-11-17	$57.36	$47.50	44.8%	12.9%	53.8%	33.9%	18.6%	-6.4%	-0.6%	147.4K	1.2M	-9.4K	0.02	109.07	108	2	2,453	1,140
2025-11-18	$55.20	$47.50	43.4%	12.5%	55.2%	31.8%	46.0%	-5.0%	-1.0%	110.5K	1.3M	-8.9K	1.08	106.86	12	13	2,503	1,073
2025-11-19	$54.86	$47.50	45.2%	12.9%	55.2%	34.3%	34.8%	12.0%	11.0%	93.5K	345.5K	-8.6K	0.00	105.49	0	25	2,503	895
2025-11-20	$53.36	$47.50	41.3%	11.8%	55.6%	28.8%	36.4%	8.1%	0.2%	105.5K	720.2K	-8.1K	260.33	103.99	3	781	2,503	905
2025-11-21	$53.96	$47.50	52.8%	15.1%	55.0%	45.2%	0.0%	7.6%	-11.0%	72.8K	-2.4M	-7.9K	1.80	108.84	5	9	2,501	254
2025-11-24	$54.17	$47.50	47.2%	13.5%	55.1%	37.2%	44.5%	1.2%	-10.1%	74.0K	-2.1M	-7.6K	0.08	113.72	38	3	921	134
2025-11-25	$56.15	$47.50	42.8%	12.3%	56.8%	30.9%	42.0%	-4.1%	0.8%	77.7K	-2.3M	-7.4K	0.10	105.63	21	2	913	136
2025-11-26	$56.09	$47.50	40.8%	11.7%	56.8%	28.1%	42.8%	19.7%	5.7%	75.4K	-2.5M	-7.9K	0.00	107.76	4	0	912	138
2025-11-28	$55.25	$47.50	41.9%	12.0%	41.5%	29.7%	0.0%	5.6%	-5.1%	77.9K	-2.4M	-7.2K	0.00	116.88	0	0	912	138