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

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $76.48
Put/call ratio (OI): 0.67
Put/call ratio (volume): 0.06
ATM implied volatility: 26.8%
Expected move: ±$2.84
Open interest (C / P): 461 / 308

NGG options summary

The NGG options chain for the October 16, 2026 expiration lists 10 call and 7 put contracts, with 7 days until expiration. Open interest stands at 461 calls and 308 puts, a put/call ratio of 0.67, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $75.00 strike is 26.8%, which implies the market expects a move of about ±$2.84 (3.7%) in National Grid Transco National Grid (NEW) stock by expiration.

The most open interest sits at the $45.00 call (197 contracts) and the $80.00 put (153 contracts).

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

NGG options chain · October 16, 2026

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
197	72	297.9%	31.60	30.00	32.60	45.00	—	—	—	—	—	—
3	1	256.1%	26.85	25.10	27.70	50.00	—	—	—	—	—	—
2	1	210.9%	21.50	20.10	22.70	55.00	—	—	—	—	—	—
40	1	91.4%	9.30	10.90	11.90	65.00	0.00	0.15	0.15	63.1%	1	2
53	1	58.8%	5.10	5.90	6.90	70.00	0.00	0.20	0.11	47.6%	2	54
69	23	29.1%	1.55	1.50	2.10	75.00	0.25	0.45	0.60	24.5%	2	99
NGG $76.48
61	2	28.7%	0.15	0.00	0.20	80.00	3.30	4.20	4.50	45.3%	1	153
25	3	49.7%	0.15	0.00	0.15	85.00	8.10	9.30	9.41	51.8%	—	0
9	1	85.2%	0.05	0.00	0.75	90.00	12.50	14.90	14.43	72.3%	—	0
2	1	105.3%	0.08	0.00	0.75	95.00	—	—	—	—	—	—
—	—	—	—	—	—	105.00	27.40	29.90	25.35	116.0%	—	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 the NGG put/call ratio?

For the October 16, 2026 expiration, the NGG put/call ratio based on open interest is 0.67 (308 puts vs 461 calls), and 0.06 based on today's volume. A ratio above 1 means more puts than calls.

What is NGG's implied volatility?

At-the-money implied volatility for NGG options expiring October 16, 2026 is about 26.8%, 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.