Early access·Soft launch — data analytics only (no order execution). Feeds may be partial. Not financial advice. Sources·Terms·Account

Loading listed desk

Resolving liquidity matrix...

WLFI Skew

Live

25Δ RR / fly from marked chain IVs. Smile is observed marks, not a fitted model. Research terminal.

WLFIUnique tickerQuotes: USD

Live· 6 expiries available· data analytics · not order executionData sources →

Spot Price

25Δ Risk Reversal

—

Put IV minus Call IV

25Δ Butterfly (Fly)

—

Wings avg minus ATM

ATM Mark IV

53.4%

Nearest listed ATM

Listed chain tenors only — not 7d / 30d / 90d buckets. Missing 25Δ wings or ATM stay —. Calendar is ATM IV minus front listed ATM.

Tenor	ATM IV	25Δ RR	25Δ Fly	Cal vs front	Chart
2026-09-29	53.4%	—	—	—	Chart
2026-09-30	58.3%	+1.35 pts	+1.72 pts	+4.82 pts	Chart
2026-10-02	63.0%	+2.87 pts	+2.24 pts	+9.51 pts	Chart
2026-10-09	66.5%	+1.71 pts	+1.45 pts	+13.03 pts	Chart
2026-10-30	71.6%	+0.59 pts	+0.58 pts	+18.12 pts	Chart
2026-12-25	77.4%	+0.31 pts	+0.86 pts	+23.94 pts	Chart

Mark IV (%) across strikes for front expiries — chain marks, not a fitted model

Active expiryChart Chain

STRIKE	MONEYNESS	CALL IV	PUT IV	Chart
$0.054	95.5%	64.0%	64.0%	Chart
$0.055	97.2%	56.5%	56.5%	Chart
$0.056	99.0%	52.9%	52.9%	Chart
$0.057	100.8%	53.4%	53.4%	Chart
$0.058	102.5%	57.5%	57.5%	Chart
$0.059	104.3%	64.1%	64.1%	Chart
$0.06	106.1%	72.3%	72.3%	Chart
$0.061	107.8%	81.3%	81.3%	Chart
$0.062	109.6%	90.7%	90.7%	Chart
$0.063	111.4%	100.4%	100.4%	Chart

Analytics