YORW · York Water Co

Track YORW — free Ask ALVIS about YORW

$31.12 +0.06 (+0.19%) At close · Jul 24

Market Cap

$504.60M

16.21M

Options Chain

15-min delayed Underlying $31.12 · today Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 18 contracts

Put / call OI

0.27

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$30.00

$1.12 below spot

ATM implied vol

29.2%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Dec 18 146d Mar 19 237d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	121.7%	0.993	—		$0.05	—	—	3	3
Call · $15 In the money Last — Breakeven — Implied vol 121.7% Delta 0.993 ≈99% ITM Gamma 0.002 Theta -0.003 Vega 0.001 Open interest 0 Model this call Put · $15 Last $0.05 Breakeven $14.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this put
0	—	122.5%	0.971	—		—	—	—	—	0
Call · $17.5 In the money Last — Breakeven — Implied vol 122.5% Delta 0.971 ≈97% ITM Gamma 0.006 Theta -0.012 Vega 0.006 Open interest 0 Model this call Put · $17.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	96.9%	0.965	—		—	—	—	—	0
Call · $20 In the money Last — Breakeven — Implied vol 96.9% Delta 0.965 ≈96% ITM Gamma 0.009 Theta -0.011 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	—	74.4%	0.956	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 74.4% Delta 0.956 ≈96% ITM Gamma 0.015 Theta -0.011 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	—	54.3%	0.942	—		$0.05	-0.235	161.8%	1	2
Call · $25 In the money Last — Breakeven — Implied vol 54.3% Delta 0.942 ≈94% ITM Gamma 0.025 Theta -0.01 Vega 0.008 Open interest 0 Model this call Put · $25 Last $0.05 Breakeven $24.95 Implied vol 161.8% Delta -0.235 ≈24% ITM Gamma 0.023 Theta -0.078 Vega 0.026 Open interest 2 Model this put
20	3	30.2%	0.69	$1.50		$0.45	-0.299	28.2%	4	5
Call · $30 In the money Last $1.50 Breakeven $31.50 Implied vol 30.2% Delta 0.69 ≈69% ITM Gamma 0.139 Theta -0.017 Vega 0.029 Open interest 20 Model this call Put · $30 Last $0.45 Breakeven $29.55 Implied vol 28.2% Delta -0.299 ≈30% ITM Gamma 0.147 Theta -0.015 Vega 0.029 Open interest 5 Model this put
Underlying $31.12
17	7	38.5%	0.141	$0.07		$4.00	-0.954	25.6%	1	0
Call · $35 Last $0.07 Breakeven $35.07 Implied vol 38.5% Delta 0.141 ≈14% ITM Gamma 0.07 Theta -0.014 Vega 0.016 Open interest 17 Model this call Put · $35 In the money Last $4.00 Breakeven $31.00 Implied vol 25.6% Delta -0.954 ≈95% ITM Gamma 0.049 Theta -0.003 Vega 0.009 Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $40 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $40 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	-0.978	66.8%	—	0
Call · $45 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $45 In the money Last — Breakeven — Implied vol 66.8% Delta -0.978 ≈98% ITM Gamma 0.011 Theta -0.005 Vega 0.005 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 108985 CUSIP 987184108 13F (30d) 34 filings 34 filers Visit website