CNP Options History — April 2026

In April 2026, CNP traded between $43.28 and $43.57. ATM implied volatility averaged 20.7%, placing in the 26.0% IV rank vs the trailing year. The 30-day expected move averaged 5.9%. IV traded above realized volatility by 5.0% (HV 20d: 15.7%). Max pain ranged from $41.00 to $43.00. Net GEX was positive for 2 of 2 trading days. Term structure was in contango for 1 of 2 days. Put/call ratio averaged 0.19.

Notable Days

2026-04-02: Highest Volume — 205 contracts
2026-04-02: Largest IV drop — 4.7% change
2026-04-01: Highest IV Rank — 27.6%
2026-04-01: Largest Expected Move — 6.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$43.42	$43.28	$43.57	$43.28	$43.57
Max Pain	$42.00	$41.00	$43.00	$43.00	$41.00
ATM IV	20.7%	20.2%	21.2%	21.2%	20.2%
Expected Move	5.9%	5.8%	6.1%	6.1%	5.8%
HV 20d	15.7%	15.6%	15.8%	15.6%	15.8%
HV 60d	16.3%	16.3%	16.3%	16.3%	16.3%
IV Rank	26.0%	24.3%	27.6%	27.6%	24.3%
IV Percentile	51.0%	40.9%	61.1%	61.1%	40.9%
Term Structure	0.7%	-0.4%	1.8%	1.8%	-0.4%
VWIV	22.3%	21.8%	22.9%	21.8%	22.9%
Skew 25d	3.9%	3.5%	4.4%	3.5%	4.4%
Skew 10d	8.3%	5.9%	10.7%	10.7%	5.9%
Call IV 25d	20.5%	20.1%	20.8%	20.1%	20.8%
Put IV 25d	24.4%	23.6%	25.2%	23.6%	25.2%
Bid-Ask Spread %	49.90	40.13	59.67	59.67	40.13
Gamma HHI	0.32	0.31	0.33	0.31	0.33
Net GEX	2.7M	2.6M	2.8M	2.6M	2.8M
Net DEX	-36.3M	-38.0M	-34.6M	-34.6M	-38.0M
Net VEX	-145.0K	-146.2K	-143.8K	-146.2K	-143.8K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.19	0.17	0.21	0.17	0.21
Total Volume	149.5	94	205	94	205
Total OI	23,997.5	23,984	24,011	23,984	24,011

Daily Data (2 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 Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2026-04-01	$43.28	$43.00	21.2%	6.1%	15.6%	27.6%	21.8%	3.5%	1.8%	2.6M	-34.6M	-146.2K	0.17	59.67	N/A	N/A	80	14	18,526	5,458
2026-04-02	$43.57	$41.00	20.2%	5.8%	15.8%	24.3%	22.9%	4.4%	-0.4%	2.8M	-38.0M	-143.8K	0.21	40.13	N/A	N/A	170	35	18,543	5,468