STAG · STAG Industrial, Inc.

Track STAG — free Ask ALVIS about STAG

$38.91 -1.81 (-4.44%) At close · Jul 29

Market Cap

$7.44B

191.21M

Options Chain

15-min delayed Underlying $38.91 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 18 contracts

Put / call OI

0.09

Call-heavy positioning

Open interest

1,207

contracts outstanding

Volume

traded today

Max pain

$40.00

$1.09 above spot

ATM implied vol

26.2%

market's expected move

Open interest by strike

Calls Puts

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	168.5%	0.964	—		—	—	—	—	0
Call · $20 In the money Last — Breakeven — Implied vol 168.5% Delta 0.964 ≈96% ITM Gamma 0.005 Theta -0.026 Vega 0.007 Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	143%	0.958	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 143% Delta 0.958 ≈96% ITM Gamma 0.007 Theta -0.025 Vega 0.007 Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	120.2%	0.95	—		—	—	—	—	0
Call · $25 In the money Last — Breakeven — Implied vol 120.2% Delta 0.95 ≈95% ITM Gamma 0.009 Theta -0.025 Vega 0.008 Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	80.5%	0.918	—		$0.14	-0.051	67.3%	1	10
Call · $30 In the money Last — Breakeven — Implied vol 80.5% Delta 0.918 ≈92% ITM Gamma 0.02 Theta -0.024 Vega 0.015 Open interest 0 Model this call Put · $30 Last $0.14 Breakeven $29.86 Implied vol 67.3% Delta -0.051 ≈5% ITM Gamma 0.016 Theta -0.015 Vega 0.009 Open interest 10 Model this put
19	18	46%	0.835	$7.45		$0.10	-0.084	31.6%	1	41
Call · $35 In the money Last $7.45 Breakeven $42.45 Implied vol 46% Delta 0.835 ≈83% ITM Gamma 0.056 Theta -0.023 Vega 0.024 Open interest 19 Model this call Put · $35 Last $0.10 Breakeven $34.90 Implied vol 31.6% Delta -0.084 ≈8% ITM Gamma 0.05 Theta -0.011 Vega 0.016 Open interest 41 Model this put
Underlying $38.91
605	14	25.7%	0.341	$0.42		$1.30	-0.651	26.7%	16	47
Call · $40 Last $0.42 Breakeven $40.42 Implied vol 25.7% Delta 0.341 ≈34% ITM Gamma 0.149 Theta -0.02 Vega 0.034 Open interest 605 Model this call Put · $40 In the money Last $1.30 Breakeven $38.70 Implied vol 26.7% Delta -0.651 ≈65% ITM Gamma 0.144 Theta -0.022 Vega 0.034 Open interest 47 Model this put
484	4	39.9%	0.074	$0.10		$5.90	—	—	4	0
Call · $45 Last $0.10 Breakeven $45.10 Implied vol 39.9% Delta 0.074 ≈7% ITM Gamma 0.037 Theta -0.012 Vega 0.018 Open interest 484 Model this call Put · $45 In the money Last $5.90 Breakeven $39.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	—	—	$0.20		—	—	—	—	0
Call · $50 Last $0.20 Breakeven $50.20 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $50 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $55 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $55 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 1479094 CUSIP 85254J102 13F (30d) 166 filings 166 filers Visit website Investor relations