NioCorp Developments (NB) Options Chain

NASDAQ: NBBasic MaterialsMetal MiningUSD

3.37-0.04 (-1.17%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $3.37
Put/call ratio (OI): 0.10
Put/call ratio (volume): 0.12
ATM implied volatility: 96.5%
Expected move: ±$1.08
Open interest (C / P): 8.36K / 800

NB options summary

The NB options chain for the November 20, 2026 expiration lists 5 call and 3 put contracts, with 40 days until expiration. Open interest stands at 8,356 calls and 800 puts, a put/call ratio of 0.10, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 96.5%, which implies the market expects a move of about ±$1.08 (31.9%) in NioCorp Developments stock by expiration.

The most open interest sits at the $7.50 call (4.28K contracts) and the $5.00 put (713 contracts).

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

NB options chain · November 20, 2026

NB 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
211	100	102.3%	0.95	0.80	1.15	2.50	0.00	0.15	0.06	90.6%	1	63
NB $3.37
1,690	35	98.4%	0.08	0.05	0.10	5.00	1.60	1.75	1.69	85.9%	8	713
4,277	102	128.1%	0.01	0.00	0.05	7.50	3.70	4.40	4.10	225.4%	21	24
1,923	1	196.1%	0.05	0.00	0.15	10.00	—	—	—	—	—	—
255	10	248.4%	0.05	0.00	0.25	12.50	—	—	—	—	—	—

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 NB put/call ratio?

For the November 20, 2026 expiration, the NB put/call ratio based on open interest is 0.10 (800 puts vs 8,356 calls), and 0.12 based on today's volume. A ratio above 1 means more puts than calls.

What is NB's implied volatility?

At-the-money implied volatility for NB options expiring November 20, 2026 is about 96.5%, an annualized estimate of how much the market expects NioCorp Developments stock to move.

How many NB option expiration dates are there?

NB has 11 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.