Terrestrial Energy (IMSR) Options Chain

NASDAQ: IMSRIndustrialsMetal FabricationsUSD

3.28-0.12 (-3.53%)

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

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $3.28
Put/call ratio (OI): 0.15
Put/call ratio (volume): 0.30
ATM implied volatility: 53.7%
Expected move: ±$1.99
Open interest (C / P): 10.18K / 1.50K

IMSR options summary

The IMSR options chain for the January 21, 2028 expiration lists 10 call and 10 put contracts, with 468 days until expiration. Open interest stands at 10,182 calls and 1,501 puts, a put/call ratio of 0.15, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 53.7%, which implies the market expects a move of about ±$1.99 (60.8%) in Terrestrial Energy stock by expiration.

The most open interest sits at the $12.50 call (3.23K contracts) and the $10.00 put (740 contracts).

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

IMSR options chain · January 21, 2028

IMSR 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
309	2	101.2%	1.70	1.60	1.75	2.50	0.00	0.00	0.45	6.3%	1	0
IMSR $3.28
754	7	108.8%	1.30	1.00	1.30	5.00	1.40	3.90	2.41	93.7%	2	306
972	2	102.0%	0.77	0.50	0.95	7.50	3.20	6.20	4.50	84.9%	2	259
2,502	8	167.0%	0.70	0.10	2.85	10.00	5.90	8.20	7.00	86.5%	4	740
3,226	4	118.4%	0.60	0.25	1.00	12.50	7.90	10.50	8.50	163.2%	1	47
431	2	102.5%	0.50	0.25	0.40	15.00	11.60	12.90	11.60	119.1%	1	13
60	1	181.7%	0.90	0.00	2.70	17.50	11.50	16.50	13.65	256.1%	1	71
290	2	111.1%	0.35	0.10	0.50	20.00	0.00	0.00	15.27	—	1	0
1,074	1	152.3%	0.33	0.05	1.50	22.50	17.30	17.90	17.40	—	2	65
564	25	123.6%	0.25	0.00	0.70	25.00	0.00	0.00	20.00	—	1	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 IMSR put/call ratio?

For the January 21, 2028 expiration, the IMSR put/call ratio based on open interest is 0.15 (1,501 puts vs 10,182 calls), and 0.30 based on today's volume. A ratio above 1 means more puts than calls.

What is IMSR's implied volatility?

At-the-money implied volatility for IMSR options expiring January 21, 2028 is about 53.7%, an annualized estimate of how much the market expects Terrestrial Energy stock to move.

How many IMSR option expiration dates are there?

IMSR has 8 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.