SRTA · Strata Critical Medical, Inc.

Track SRTA — free Ask ALVIS about SRTA

$5.04 -0.05 (-0.98%)

Market Cap

$440.42M

86.53M

Options Chain

15-min delayed Underlying $5.09 · Jul 23, 2026 Options Calculator

Positioning

Aug 21, 2026 · 28 days to expiry · 8 contracts

Put / call OI

0.24

Call-heavy positioning

Open interest

2,912

contracts outstanding

Volume

139

traded today

Max pain

$5.00

$0.09 below spot

ATM implied vol

85.9%

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 28d Sep 18 56d Nov 20 119d Feb 19 210d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
74	10	285.4%	0.901	$2.72		$0.05	—	—	4	83
Call · $2.5 In the money Last $2.72 Breakeven $5.22 Implied vol 285.4% Delta 0.901 ≈90% ITM Gamma 0.044 Theta -0.013 Vega 0.002 Open interest 74 Model this call Put · $2.5 Last $0.05 Breakeven $2.45 Implied vol — Delta — Gamma — Theta — Vega — Open interest 83 Model this put
1.2k	82	90.2%	0.566	$0.62		$0.40	-0.438	81.6%	25	465
Call · $5 In the money Last $0.62 Breakeven $5.62 Implied vol 90.2% Delta 0.566 ≈57% ITM Gamma 0.318 Theta -0.009 Vega 0.005 Open interest 1.2k Model this call Put · $5 Last $0.40 Breakeven $4.60 Implied vol 81.6% Delta -0.438 ≈44% ITM Gamma 0.353 Theta -0.008 Vega 0.005 Open interest 465 Model this put
Underlying $5.09
1.1k	1	106%	0.115	$0.10		$1.75	-0.789	143.5%	15	20
Call · $7.5 Last $0.10 Breakeven $7.60 Implied vol 106% Delta 0.115 ≈11% ITM Gamma 0.131 Theta -0.005 Vega 0.003 Open interest 1.1k Model this call Put · $7.5 In the money Last $1.75 Breakeven $5.75 Implied vol 143.5% Delta -0.789 ≈79% ITM Gamma 0.147 Theta -0.01 Vega 0.004 Open interest 20 Model this put
13	2	156.7%	0.086	$0.05		—	-0.893	171.4%	—	0
Call · $10 Last $0.05 Breakeven $10.05 Implied vol 156.7% Delta 0.086 ≈9% ITM Gamma 0.072 Theta -0.006 Vega 0.002 Open interest 13 Model this call Put · $10 In the money Last — Breakeven — Implied vol 171.4% Delta -0.893 ≈89% ITM Gamma 0.081 Theta -0.007 Vega 0.003 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 1779128 CUSIP 092667104 13F (30d) 13 filings 13 filers Visit website Investor relations