SELF · Global Self Storage, Inc.

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$5.06 At close · Jul 27

Market Cap

$57.79M

11.42M

Options Chain

15-min delayed Underlying $5.06 · at close Jul 27, 2026 Options Calculator

Positioning

Aug 21, 2026 · 24 days to expiry · 8 contracts

Put / call OI

26.00

Put-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$5.00

$0.06 below spot

ATM implied vol

55%

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 24d Sep 18 52d Oct 16 80d Jan 15 171d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		$0.10	—	—	1	6
Call · $2.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $2.5 Last $0.10 Breakeven $2.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this put
1	1	78.6%	0.572	$0.20		$0.07	-0.402	31.4%	6	46
Call · $5 In the money Last $0.20 Breakeven $5.20 Implied vol 78.6% Delta 0.572 ≈57% ITM Gamma 0.386 Theta -0.008 Vega 0.005 Open interest 1 Model this call Put · $5 Last $0.07 Breakeven $4.93 Implied vol 31.4% Delta -0.402 ≈40% ITM Gamma 0.947 Theta -0.003 Vega 0.005 Open interest 46 Model this put
Underlying $5.06
0	—	—	—	—		—	-0.963	80.1%	—	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 80.1% Delta -0.963 ≈96% ITM Gamma 0.074 Theta -0.002 Vega 0.001 Open interest 0 Model this put
1	1	—	—	$0.10		—	—	—	—	0
Call · $10 Last $0.10 Breakeven $10.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $10 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — 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 1031235 CUSIP 37955N106 13F (30d) 10 filings 9 filers Visit website Investor relations