Price Alert

National Grid (NGG)

NYSE: NGG · Real-Time Price · USD

70.43

0.33 (0.47%)

At close: Sep 08, 2025, 3:59 PM

69.90

-0.75%

Pre-market: Sep 09, 2025, 07:14 AM EDT

NGG Option Overview

Overview for all option chains of NGG. As of September 09, 2025, NGG options have an IV of 74.95% and an IV rank of 162.29%. The volume is 37 contracts, which is 35.58% of average daily volume of 104 contracts. The volume put-call ratio is 0.23, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

74.95%

IV Rank

162.29%

Historical Volatility

20.05%

IV Low

31.8% on Jul 23, 2025

IV High

58.39% on Sep 02, 2025

Open Interest (OI)

Today's Open Interest

8,501

Put-Call Ratio

0.56

Put Open Interest

3,045

Call Open Interest

5,456

Open Interest Avg (30-day)

7,946

Today vs Open Interest Avg (30-day)

106.98%

Option Volume

Today's Volume

Put-Call Ratio

0.23

Put Volume

Call Volume

Volume Avg (30-day)

104

Today vs Volume Avg (30-day)

35.58%

Option Chain Statistics

This table provides a comprehensive overview of all NGG options grouped by their expiration dates.

Expiration	Call Vol	Put Vol	P/C Vol	Call OI	Put OI	P/C OI	Implied Volatility	Max Pain
Sep 19, 2025	15	0	0	2,560	1,706	0.67	74.95%	65
Oct 17, 2025	0	6	0	408	45	0.11	33.5%	70
Dec 19, 2025	0	0	0	1,144	825	0.72	34.02%	75
Jan 16, 2026	0	0	0	150	0	0	n/a	7
Feb 20, 2026	1	0	0	1,043	256	0.25	28.67%	70
Mar 20, 2026	14	1	0.07	151	213	1.41	27.82%	70
Dec 18, 2026	0	0	0	0	0	0	21.47%	990