Cadence formula
How the interval becomes a volatility.
σ ≈ d · √(Y / T̄)
d is the deviation threshold (≈ 0.5%), Y is the seconds in a year (31,536,000), and T̄ is the mean interval between the last N rounds.
No price is needed to read vol. A dense feed is high vol; a silent feed is low vol.
This is a demonstration. Cadence does not claim mainnet deployment, and no feature here settles on-chain.