IMSR · Terrestrial Energy Inc. /DE/

Track IMSR — free

$5.89 -0.17 (-2.81%) At close · Aug 14

Market Cap

$623.96M

105.94M

Options Chain

Underlying $5.89 · at close Aug 14, 2026 Options Calculator

Positioning

Aug 21, 2026 · 6 days to expiry · 20 contracts · mixed snapshot sessions · Mar 11, 2026–Aug 14, 2026; 1 unknown

Put / call OI

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dated and unknown snapshot sessions

Open interest

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dated and unknown snapshot sessions

Volume

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dated and unknown snapshot sessions

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 6d Sep 18 34d Nov 20 97d Dec 18 125d Jan 15 153d Feb 19 188d Jan 21 524d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
84	10	521.1%	0.945	$2.95		$0.03	-0.064	577.7%	1	2.2k
Call · $2.5 In the money Snapshot session Aug 6, 2026 Last $2.95 Breakeven $5.45 Implied vol 521.1% Delta 0.945 ≈94% ITM Gamma 0.028 Theta -0.036 Vega 0.001 Open interest 84 Model this call Put · $2.5 Snapshot session Aug 14, 2026 Last $0.03 Breakeven $2.47 Implied vol 577.7% Delta -0.064 ≈6% ITM Gamma 0.029 Theta -0.046 Vega 0.001 Open interest 2.2k Model this put
1.7k	17	138.2%	0.837	$0.98		$0.09	-0.141	123.9%	61	9.9k
Call · $5 In the money Snapshot session Aug 14, 2026 Last $0.98 Breakeven $5.98 Implied vol 138.2% Delta 0.837 ≈84% ITM Gamma 0.234 Theta -0.021 Vega 0.002 Open interest 1.7k Model this call Put · $5 Snapshot session Aug 14, 2026 Last $0.09 Breakeven $4.91 Implied vol 123.9% Delta -0.141 ≈14% ITM Gamma 0.236 Theta -0.017 Vega 0.002 Open interest 9.9k Model this put
Underlying $5.89
2.3k	61	155%	0.134	$0.03		$1.63	-0.939	116.4%	16	1.8k
Call · $7.5 Snapshot session Aug 14, 2026 Last $0.03 Breakeven $7.53 Implied vol 155% Delta 0.134 ≈13% ITM Gamma 0.183 Theta -0.021 Vega 0.002 Open interest 2.3k Model this call Put · $7.5 In the money Snapshot session Aug 14, 2026 Last $1.63 Breakeven $5.87 Implied vol 116.4% Delta -0.939 ≈94% ITM Gamma 0.139 Theta -0.008 Vega 0.001 Open interest 1.8k Model this put
3.9k	2	270.1%	0.089	$0.03		$4.07	—	—	15	250
Call · $10 Snapshot session Aug 13, 2026 Last $0.03 Breakeven $10.03 Implied vol 270.1% Delta 0.089 ≈9% ITM Gamma 0.078 Theta -0.027 Vega 0.001 Open interest 3.9k Model this call Put · $10 In the money Snapshot session Aug 13, 2026 Last $4.07 Breakeven $5.93 Implied vol — Delta — Gamma — Theta — Vega — Open interest 250 Model this put
8.3k	2	345.2%	0.073	$0.04		$7.19	-0.97	284.4%	36	40
Call · $12.5 Snapshot session Aug 14, 2026 Last $0.04 Breakeven $12.54 Implied vol 345.2% Delta 0.073 ≈7% ITM Gamma 0.052 Theta -0.029 Vega 0.001 Open interest 8.3k Model this call Put · $12.5 In the money Snapshot session Jul 21, 2026 Last $7.19 Breakeven $5.31 Implied vol 284.4% Delta -0.97 ≈97% ITM Gamma 0.033 Theta -0.011 Vega 0.001 Open interest 40 Model this put
1.4k	14	407.2%	0.065	$0.05		$7.90	—	—	1	5
Call · $15 Snapshot session Aug 13, 2026 Last $0.05 Breakeven $15.05 Implied vol 407.2% Delta 0.065 ≈7% ITM Gamma 0.04 Theta -0.032 Vega 0.001 Open interest 1.4k Model this call Put · $15 In the money Snapshot session Jun 24, 2026 Last $7.90 Breakeven $7.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 Model this put
249	4	574.4%	0.134	$0.04		$11.15	—	—	10	0
Call · $17.5 Snapshot session Aug 10, 2026 Last $0.04 Breakeven $17.54 Implied vol 574.4% Delta 0.134 ≈13% ITM Gamma 0.049 Theta -0.078 Vega 0.002 Open interest 249 Model this call Put · $17.5 In the money Snapshot session Mar 11, 2026 Last $11.15 Breakeven $6.35 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
10.7k	40	499.3%	0.057	$0.04		$13.30	—	—	1	0
Call · $20 Snapshot session Aug 13, 2026 Last $0.04 Breakeven $20.04 Implied vol 499.3% Delta 0.057 ≈6% ITM Gamma 0.03 Theta -0.035 Vega 0.001 Open interest 10.7k Model this call Put · $20 In the money Snapshot session May 18, 2026 Last $13.30 Breakeven $6.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
46	1	531.5%	0.054	$0.05		—	—	—	—	0
Call · $22.5 Snapshot session Jul 16, 2026 Last $0.05 Breakeven $22.55 Implied vol 531.5% Delta 0.054 ≈5% ITM Gamma 0.027 Theta -0.036 Vega 0.001 Open interest 46 Model this call Put · $22.5 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1.8k	2	560.5%	0.052	$0.01		$20.01	—	—	1	0
Call · $25 Snapshot session Jul 24, 2026 Last $0.01 Breakeven $25.01 Implied vol 560.5% Delta 0.052 ≈5% ITM Gamma 0.024 Theta -0.036 Vega 0.001 Open interest 1.8k Model this call Put · $25 In the money Snapshot session Jul 28, 2026 Last $20.01 Breakeven $4.99 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Each contract's last price, volume, greeks, implied volatility and open interest belongs to the snapshot session shown in its details; unknown means the provider omitted the timestamp. This chain has mixed snapshot sessions · Mar 11, 2026–Aug 14, 2026; 1 unknown. Cross-contract positioning totals are shown only when every returned row has the same known session. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown.

Key facts CIK 2019804 CUSIP 881454102 13F (30d) 118 filings 118 filers Visit website Investor relations