XFOR · X4 Pharmaceuticals, Inc

Track XFOR — free Ask ALVIS about XFOR

$4.04 +0.11 (+2.80%)

Market Cap

$370.68M

94.32M

Options Chain

15-min delayed Underlying $4.04 · today Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 6 contracts

Put / call OI

1.00

Balanced positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$5.00

$0.96 above spot

ATM implied vol

243.7%

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 23d Sep 18 51d Dec 18 142d Mar 19 233d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		$0.10	-0.095	178.5%	5	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 178.5% Delta -0.095 ≈10% ITM Gamma 0.095 Theta -0.007 Vega 0.002 Open interest 6 Model this put
Underlying $4.04
6	1	358.9%	0.588	$0.10		—	-0.69	128.5%	—	0
Call · $5 Last $0.10 Breakeven $5.10 Implied vol 358.9% Delta 0.588 ≈59% ITM Gamma 0.106 Theta -0.031 Vega 0.004 Open interest 6 Model this call Put · $5 In the money Last — Breakeven — Implied vol 128.5% Delta -0.69 ≈69% ITM Gamma 0.274 Theta -0.01 Vega 0.004 Open interest 0 Model this put
0	—	—	—	—		—	-0.873	181.3%	—	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 181.3% Delta -0.873 ≈87% ITM Gamma 0.116 Theta -0.008 Vega 0.002 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 1501697 CUSIP 98420X202 13F (30d) 5 filings 5 filers Visit website Investor relations