GBTCGrayscale Bitcoin Trust ETF
GBTC Options Overview
bullish flow. No clear edge detected.
REWARDS
RISK ANALYSIS
GBTC Gamma Walls
Value
Is IV priced right?
Measures whether options are cheap, fair, or rich relative to historical and peer
IV Rank 64.6% — elevated vs history
IV/HV 1.10x — IV premium over HV
Sector percentile 80% — above sector median
Front/Back 0.94x — contango
Put/Call IV 1.16x — elevated
ATM IV 42.1% — normal range
Effective IV 65.0% (ATM 42.1% + spread 11.4% + bias) — fair
Total drag 17.48% (spread 11.45% + slippage 6.03%) — high friction
Vega efficiency 3.17 (vega 3.629 / spread 11.45%) — spread drag
Sentiment
Bullish or bearish?
Analyzes
Conviction-weighted: -3% (neutral) — Raw: -5%
|OI skew| 61.6% — call-heavy
Vol skew +67.9%, OI skew +61.6% — aligned
0-DTE 10%, far-OTM 15%, avg DTE 30
OI change +0.0% (5d) — stable
ITM: +1%, ATM: +3%, OTM: -11% — neutral (ITM/ATM aligned)
Sector P/C percentile 12% — very bullish vs sector
Activity
Unusual activity?
Detects volume surges,
Volume 0.5x avg — normal
Vol/OI 2.9% — normal turnover
1 day(s) elevated — may be one-day event
OI change +2.5% (5d) — building
Sector activity percentile 54% — neutral vs sector
Large trade volume 18% — mixed
Aggressive execution 32% — patient
Conviction -3 (bearish) — mixed
Liquidity
Can I trade efficiently?
Evaluates
Spread 11.4% — wide
OI 57,747 — deep
Volume 1,684/day — adequate
$0.57 to cross — expensive
1 liquid strikes — limited options
Sector spread percentile 85% — much wider than sector
Depth 492.3 contracts (bid:277.1 ask:215.2) — adequate
Avg slippage 6.03% — poor
Timing
Is now a good time?
Considers earnings proximity,
Slope -5.6% — contango
IV percentile 65% — neutral
IV kink -1.4pts — no clear event
θ/ν ratio 42.29 — favors income trades
4 liquid expirations — flexible
safe window: No earnings detected
Spread ratio 1.00x — stable
Flow -3% @ 52% consistency — unclear
Score 48 (ITM 20% + inst 18%) — moderate institutional
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.