Original Derivasys market intelligence
A permanent record of ATM volatility, skew, convexity and fitted-smile changes. BTC, ETH and SOL have individual daily coverage, with separate major-coin and altcoin comparisons; BTC also has a weekly edition.
All reports
198 permanent reports
Across the six headline tenors, ATM IV averaged -0.33 volatility points, RR25 +0.77 volatility points and BF25 -0.09 volatility points between the stored endpoints.
Across the six headline tenors, ATM IV averaged -0.80 volatility points, RR25 -0.19 volatility points and BF25 +0.01 volatility points between the stored endpoints.
Across the six headline tenors, ATM IV averaged +0.05 volatility points, RR25 -0.14 volatility points and BF25 -0.01 volatility points between the stored endpoints.
Across the six headline tenors, ATM IV averaged -0.35 volatility points, RR25 -0.66 volatility points and BF25 +0.10 volatility points between the stored endpoints.
Across the six headline tenors, ATM IV averaged +0.11 volatility points, RR25 +0.51 volatility points and BF25 +0.07 volatility points between the stored endpoints.
Across the six headline tenors, ATM IV averaged +0.95 volatility points, RR25 -0.15 volatility points and BF25 +0.00 volatility points between the stored endpoints.
The six headline-tenor averages are unavailable at the comparison endpoints.
The six headline-tenor averages are unavailable at the comparison endpoints.
The six headline-tenor averages are unavailable at the comparison endpoints.
Permanent monthly index
Market context
Daily reports from 18 July 2026 pair the measured surface change with a readable news briefing and links to the original collected stories. Earlier editions preserve surface analysis without retroactively implying news coverage.
Open live dashboard