CTRM · Castor Maritime Inc.

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$1.94 +0.05 (+2.38%)

Market Cap

$18.26M

9.66M

Options Chain

15-min delayed Underlying $1.94 · today Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 6 contracts

Put / call OI

10.53

Put-heavy positioning

Open interest

219

contracts outstanding

Volume

traded today

Max pain

$2.50

$0.57 above spot

ATM implied vol

227.5%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Oct 16 78d Jan 15 169d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
Underlying $1.94
9	2	295.8%	0.513	$0.10		$0.72	-0.661	159.2%	1	200
Call · $2.5 Last $0.10 Breakeven $2.60 Implied vol 295.8% Delta 0.513 ≈51% ITM Gamma 0.281 Theta -0.013 Vega 0.002 Open interest 9 Model this call Put · $2.5 In the money Last $0.72 Breakeven $1.78 Implied vol 159.2% Delta -0.661 ≈66% ITM Gamma 0.48 Theta -0.006 Vega 0.002 Open interest 200 Model this put
10	10	—	—	$0.10		—	-0.318	778.1%	—	0
Call · $5 Last $0.10 Breakeven $5.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this call Put · $5 In the money Last — Breakeven — Implied vol 778.1% Delta -0.318 ≈32% ITM Gamma 0.09 Theta -0.031 Vega 0.002 Open interest 0 Model this put
0	—	—	—	—		—	-0.333	863.7%	—	0
Call · $7.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $7.5 In the money Last — Breakeven — Implied vol 863.7% Delta -0.333 ≈33% ITM Gamma 0.082 Theta -0.034 Vega 0.002 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. 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. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1720161 CUSIP Y1146L208 13F (30d) 7 filings 6 filers Visit website Investor relations