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PENPenumbra, Inc.

Options Analysis ReportSURGICAL & MEDICAL INSTRUMENTS & APPARATUS
Market Cap $12.7B|NYSE
2026-08-31$321.68
NEUTRAL
Analysis: 2026-08-28 EOD data
1Y +19.4%YTD +4.0%7D -0.6%
28
30D
±8.6%
98%

PEN Options Overview

IV is elevated with bearish flow. Conditions favor premium sellers.

REWARDS

RISK ANALYSIS

3.7VALUESENTIMENTACTIVITYLIQUIDITYTIMING

Snowflake Analysis

Favorable conditions for premium sellers

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PEN Gamma Walls

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Value

Is IV priced right?

1.1
ExpensiveCheap

Measures whether options are cheap, fair, or rich relative to historical and peer

levels.

Risk Checks2/9 checks passed
≤35%

IV Rank 97.4% — elevated vs history

<1.05x

IV/HV 15.96x — IV premium over HV

Sector Relative≤50%

Sector percentile 94% — above sector median

<1.1x

Front/Back 0.41x — contango

<1.25x

Put/Call IV 1.16x — elevated

<80%

ATM IV 114.9% — crisis-level IV

<80%

Effective IV 213.1% (ATM 114.9% + spread 49.1% + bias) — expensive

<3.0%

Total drag 70.88% (spread 49.08% + slippage 21.80%) — high friction

≥5.0

Vega efficiency 0.00 (vega 0.000 / spread 49.08%) — spread drag

Sentiment

Bullish or bearish?

6.3
BearishBullish

Analyzes

,
, and flow direction to determine market bias.

Risk ChecksVery Bullish - Strong signal (Conviction: +79%, Raw: +71%)
|net sentiment| ≥25%

Conviction-weighted: +79% (strong bullish) — Raw: +71%

≥15%

|OI skew| 36.5% — put-heavy

Same sign, |vol skew| ≥10%

Vol skew -85.7%, OI skew -36.5% — aligned

≥2/3 conditions

0-DTE 0%, far-OTM 15%, avg DTE 30

|change| ≥3%

OI change +0.0% (5d) — stable

|weighted flow| ≥20%

ITM: +0%, ATM: +0%, OTM: +71% — neutral (ITM/ATM divergent)

Sector Relative≤40% or ≥60%

Sector P/C percentile 96% — very bearish vs sector

Activity

Unusual activity?

2.3
QuietActive

Detects volume surges,

, and unusual options activity that may signal moves.

Risk Checks1/8 checks passed
≥1.5x

Volume 0.1x avg — normal

≥15%

Vol/OI 0.2% — normal turnover

≥2 days

1 day(s) elevated — may be one-day event

≥5%

OI change -6.4% (5d) — unwinding

Sector Relative≥60%

Sector activity percentile 11% — quiet vs sector

≥30%

Large trade volume 0% — mostly retail

≥60%

Aggressive execution 29% — patient

≥30

Conviction +79 (bullish) — strong conviction

Liquidity

Can I trade efficiently?

2.0
IlliquidLiquid

Evaluates

, volume depth, and open interest for trade execution quality.

Risk Checks1/8 checks passed
≤5.0%

Spread 49.1% — wide

≥10,000

OI 11,792 — adequate

≥500

Volume 28/day — thin

≤$0.50

$2.45 to cross — expensive

≥5 strikes

0 liquid strikes — limited options

Sector Relative≤40%

Sector spread percentile 97% — much wider than sector

≥100 contracts

Depth 2.5999999999999996 contracts (bid:1.4 ask:1.2) — thin

<1.0%

Avg slippage 21.80% — poor

Timing

Is now a good time?

7.0
RiskyFavorable

Considers earnings proximity,

, and event calendar for optimal entry timing.

Risk Checks6/9 checks passed
|slope| ≥5%

Slope -58.9% — contango

<30 or >70

IV percentile 97% — seller opportunity

≥10pts kink

IV kink -83.4pts — no clear event

<0.5 or >2.0

θ/ν ratio 1.00 — favors mixed

≥3 expirations

3 liquid expirations — flexible

≥60% (safe)

safe window: No events detected

<1.2 ratio

Spread ratio 1.00x — stable

≥25% strength + ≥50% consistency

Flow +79% @ 83% consistency — STRONG directional (bullish)

≥40 composite score

Score 30 (ITM 20% + inst 0%) — retail dominated

Directional Strategy Fit

Option Buyers
Long Calls3.9
bullishIV expensive, bullish flow
Long Puts3.0
bearishIV expensive, bullish flow
Premium Sellers
Cash-Secured Put6.3
bullishIV rich premium, bullish flow
Covered Call5.4
bearishIV rich premium, bullish flow

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.

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