National Grid Transco National Grid (NEW) (NGG) Options Chain

NYSE: NGGUtilitiesNatural Gas DistributionUSD

76.48-0.63 (-0.82%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Pre-market: 76.66 +0.24%

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 158
Share price: $76.48
Put/call ratio (volume): 0.14
ATM implied volatility: 0.8%
Expected move: ±$0.3925
Open interest (C / P): 0 / 48

NGG options summary

The NGG options chain for the March 19, 2027 expiration lists 16 call and 15 put contracts, with 158 days until expiration. At-the-money implied volatility near the $75.00 strike is 0.8%, which implies the market expects a move of about ±$0.3925 (0.5%) in National Grid Transco National Grid (NEW) stock by expiration. The most open interest sits at the $45.00 call (0 contracts) and the $85.00 put (44 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

NGG options chain · March 19, 2027

NGG calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
0	—	—	36.60	0.00	0.00	45.00	—	—	—	—	—	—
0	1	—	24.70	0.00	0.00	50.00	—	—	—	—	—	—
0	79	—	22.30	0.00	0.00	55.00	0.00	0.00	0.40	12.5%	1	0
0	1	—	17.51	0.00	0.00	60.00	0.00	0.00	0.60	6.3%	1	0
0	1	—	14.30	0.00	0.00	65.00	0.00	0.00	1.05	6.3%	2	0
0	5	—	10.02	0.00	0.00	70.00	0.00	0.00	2.05	3.1%	1	0
0	2	—	4.75	0.00	0.00	75.00	0.00	0.00	4.20	0.8%	1	0
NGG $76.48
0	1	1.6%	3.50	0.00	0.00	80.00	0.00	0.00	6.30	—	1	0
0	3	3.1%	1.85	0.00	0.00	85.00	8.30	9.60	8.20	18.7%	12	44
0	8	6.3%	0.95	0.00	0.00	90.00	9.40	11.70	9.90	—	1	1
0	1	6.3%	0.47	0.00	0.00	95.00	15.30	18.30	15.62	—	—	1
0	1	6.3%	0.45	0.00	0.00	100.00	20.10	24.10	20.50	28.7%	1	0
0	1	12.5%	0.30	0.00	0.00	105.00	25.00	29.20	25.35	33.6%	1	2
—	—	—	—	—	—	110.00	29.90	33.90	30.10	32.9%	3	0
0	—	12.5%	0.20	0.00	0.00	115.00	35.00	39.00	35.30	37.6%	—	0
0	—	12.5%	0.15	0.00	0.00	120.00	40.00	43.90	40.65	38.8%	—	0
0	72	12.5%	0.15	0.00	0.00	125.00	44.90	49.10	45.20	45.0%	—	0

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is NGG's implied volatility?

At-the-money implied volatility for NGG options expiring March 19, 2027 is about 0.8%, an annualized estimate of how much the market expects National Grid Transco National Grid (NEW) stock to move.

How many NGG option expiration dates are there?

NGG has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.