OSS · One Stop Systems, Inc.

Track OSS — free Ask ALVIS about OSS

$12.23 +0.23 (+1.92%) At close · Jul 31

Market Cap

$297.23M

24.77M

Options Chain

15-min delayed Underlying $12.23 · at close Jul 31, 2026 Options Calculator

Positioning

Aug 21, 2026 · 20 days to expiry · 24 contracts

Put / call OI

0.16

Call-heavy positioning

Open interest

28,227

contracts outstanding

Volume

3,287

traded today

Max pain

$7.50

$4.73 below spot

ATM implied vol

118.6%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 20d Sep 18 48d Nov 20 111d Dec 18 139d Jan 15 167d Feb 19 202d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
41	20	542.8%	0.969	$8.90		$0.14	—	—	1	6
Call · $2.5 In the money Last $8.90 Breakeven $11.40 Implied vol 542.8% Delta 0.969 ≈97% ITM Gamma 0.004 Theta -0.027 Vega 0.002 Open interest 41 Model this call Put · $2.5 Last $0.14 Breakeven $2.36 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this put
546	2	345.2%	0.932	$6.35		$0.05	-0.03	233.2%	60	1.1k
Call · $5 In the money Last $6.35 Breakeven $11.35 Implied vol 345.2% Delta 0.932 ≈93% ITM Gamma 0.013 Theta -0.032 Vega 0.004 Open interest 546 Model this call Put · $5 Last $0.05 Breakeven $4.95 Implied vol 233.2% Delta -0.03 ≈3% ITM Gamma 0.01 Theta -0.011 Vega 0.002 Open interest 1.1k Model this put
1.6k	10	182.9%	0.908	$4.71		$0.05	-0.059	145.1%	3	827
Call · $7.5 In the money Last $4.71 Breakeven $12.21 Implied vol 182.9% Delta 0.908 ≈91% ITM Gamma 0.032 Theta -0.022 Vega 0.006 Open interest 1.6k Model this call Put · $7.5 Last $0.05 Breakeven $7.45 Implied vol 145.1% Delta -0.059 ≈6% ITM Gamma 0.028 Theta -0.012 Vega 0.004 Open interest 827 Model this put
2.6k	37	155.5%	0.757	$2.70		$0.30	-0.192	108.4%	16	607
Call · $10 In the money Last $2.70 Breakeven $12.70 Implied vol 155.5% Delta 0.757 ≈76% ITM Gamma 0.07 Theta -0.035 Vega 0.009 Open interest 2.6k Model this call Put · $10 Last $0.30 Breakeven $9.70 Implied vol 108.4% Delta -0.192 ≈19% ITM Gamma 0.09 Theta -0.021 Vega 0.009 Open interest 607 Model this put
Underlying $12.23
2.7k	220	125.9%	0.516	$1.20		$1.52	-0.498	111.3%	60	889
Call · $12.5 Last $1.20 Breakeven $13.70 Implied vol 125.9% Delta 0.516 ≈52% ITM Gamma 0.111 Theta -0.036 Vega 0.011 Open interest 2.7k Model this call Put · $12.5 In the money Last $1.52 Breakeven $10.98 Implied vol 111.3% Delta -0.498 ≈50% ITM Gamma 0.126 Theta -0.03 Vega 0.011 Open interest 889 Model this put
13.7k	2.7k	112.1%	0.249	$0.41		$3.50	-0.765	107.4%	2	448
Call · $15 Last $0.41 Breakeven $15.41 Implied vol 112.1% Delta 0.249 ≈25% ITM Gamma 0.099 Theta -0.025 Vega 0.008 Open interest 13.7k Model this call Put · $15 In the money Last $3.50 Breakeven $11.50 Implied vol 107.4% Delta -0.765 ≈77% ITM Gamma 0.101 Theta -0.022 Vega 0.008 Open interest 448 Model this put
676	2	117%	0.117	$0.15		$4.28	-0.935	98%	1	112
Call · $17.5 Last $0.15 Breakeven $17.65 Implied vol 117% Delta 0.117 ≈12% ITM Gamma 0.058 Theta -0.016 Vega 0.006 Open interest 676 Model this call Put · $17.5 In the money Last $4.28 Breakeven $13.22 Implied vol 98% Delta -0.935 ≈93% ITM Gamma 0.049 Theta -0.008 Vega 0.003 Open interest 112 Model this put
1.4k	67	122.1%	0.055	$0.10		$7.05	-0.945	124.3%	1	17
Call · $20 Last $0.10 Breakeven $20.10 Implied vol 122.1% Delta 0.055 ≈5% ITM Gamma 0.031 Theta -0.009 Vega 0.004 Open interest 1.4k Model this call Put · $20 In the money Last $7.05 Breakeven $12.95 Implied vol 124.3% Delta -0.945 ≈95% ITM Gamma 0.034 Theta -0.009 Vega 0.004 Open interest 17 Model this put
389	1	163.8%	0.08	$0.10		—	—	—	—	0
Call · $22.5 Last $0.10 Breakeven $22.60 Implied vol 163.8% Delta 0.08 ≈8% ITM Gamma 0.032 Theta -0.017 Vega 0.004 Open interest 389 Model this call Put · $22.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
474	65	163.4%	0.044	$0.05		—	—	—	—	0
Call · $25 Last $0.05 Breakeven $25.05 Implied vol 163.4% Delta 0.044 ≈4% ITM Gamma 0.02 Theta -0.011 Vega 0.002 Open interest 474 Model this call Put · $25 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
105	10	265.2%	0.125	$0.05		—	—	—	—	0
Call · $30 Last $0.05 Breakeven $30.05 Implied vol 265.2% Delta 0.125 ≈13% ITM Gamma 0.027 Theta -0.039 Vega 0.008 Open interest 105 Model this call Put · $30 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
61	5	299%	0.123	$0.10		—	—	—	—	0
Call · $35 Last $0.10 Breakeven $35.10 Implied vol 299% Delta 0.123 ≈12% ITM Gamma 0.024 Theta -0.043 Vega 0.005 Open interest 61 Model this call Put · $35 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 1394056 CUSIP 68247W109 13F (30d) 17 filings 17 filers Visit website Investor relations