
ZZillow Group, Inc. Class C Capital Stock
Z Options Overview
IV is elevated. Conditions favor premium sellers.
REWARDS
RISK ANALYSIS
Z Gamma Walls
Value
Is IV priced right?
Measures whether options are cheap, fair, or rich relative to historical and peer
IV Rank 79.8% — elevated vs history
IV/HV 0.96x — IV ≤ HV
Sector percentile 75% — above sector median
Front/Back 0.84x — contango
Put/Call IV 1.16x — elevated
ATM IV 54.4% — normal range
Effective IV 72.1% (ATM 54.4% + spread 8.9% + bias) — fair
Total drag 12.37% (spread 8.87% + slippage 3.50%) — high friction
Vega efficiency 5.74 (vega 5.090 / spread 8.87%) — acceptable
Sentiment
Bullish or bearish?
Analyzes
Conviction-weighted: -29% (bearish) — Raw: -30%
|OI skew| 28.3% — call-heavy
Vol skew +1.0%, OI skew +28.3% — weak (same direction)
0-DTE 0%, far-OTM 15%, avg DTE 30
OI change +0.0% (5d) — stable
ITM: -27%, ATM: -37%, OTM: -30% — strong bearish (ITM/ATM aligned)
Sector P/C percentile 65% — bearish vs sector
Activity
Unusual activity?
Detects volume surges,
Volume 0.4x avg — normal
Vol/OI 1.8% — normal turnover
1 day(s) elevated — may be one-day event
OI change +8.7% (5d) — building
Sector activity percentile 53% — neutral vs sector
Large trade volume 8% — mostly retail
Aggressive execution 30% — patient
Conviction -29 (bearish) — mixed
Liquidity
Can I trade efficiently?
Evaluates
Spread 8.9% — wide
OI 68,520 — deep
Volume 1,242/day — adequate
$0.44 to cross — cheap
0 liquid strikes — limited options
Sector spread percentile 89% — much wider than sector
Depth 375.70000000000005 contracts (bid:143.4 ask:232.3) — adequate
Avg slippage 3.50% — poor
Timing
Is now a good time?
Considers earnings proximity,
Slope -15.5% — contango
IV percentile 80% — seller opportunity
IV kink -4.8pts — no clear event
θ/ν ratio 171.39 — favors income trades
4 liquid expirations — flexible
safe window: No events detected
Spread ratio 1.00x — stable
Flow -29% @ 65% consistency — moderate (bearish)
Score 38 (ITM 20% + inst 8%) — retail dominated
Directional Strategy Fit
For educational purposes only. Not investment advice.
The Options Desk tracks the move options price into every US earnings report the week of Aug 31, next to how much each stock has actually moved on its past prints — plus the SPY, QQQ and IWM expected ranges and the gamma walls that box them in.