Merge branch 'dev'

lib/volatility/vov/Vov.md

@@ -13,9 +13,7 @@
 | **PineScript**   | [vov.pine](vov.pine)                       |
 
 - Volatility of Volatility (VOV) measures the standard deviation of volatility itself, quantifying how much volatility fluctuates over time.
-- Parameterized by `volatilityperiod` (default 20), `vovperiod` (default 10).
-- Output range: $\geq 0$.
-- Requires `volatilityPeriod + vovPeriod - 1` bars of warmup before first valid output (IsHot = true).
+- **Similar:** [HV](../hv/hv.md) | **Complementary:** Regime detection | **Trading note:** Volatility of Volatility; GARCH-style clustering indicator.
 - Validated against TA-Lib, Skender, and Tulip reference implementations where available.
 
 Volatility of Volatility (VOV) measures the standard deviation of volatility itself, quantifying how much volatility fluctuates over time. While standard volatility tells you how much prices move, VOV tells you how stable or unstable that movement pattern is. High VOV indicates volatility is erratic and unpredictable; low VOV suggests volatility is relatively stable and consistent.
@@ -270,4 +268,4 @@ The formula $\sqrt{E[X^2] - E[X]^2}$ can produce small negative values due to fl
 
 - Heston, S. L. (1993). "A Closed-Form Solution for Options with Stochastic Volatility with Applications to Bond and Currency Options." *Review of Financial Studies*, 6(2), 327-343.
 - Gatheral, J. (2006). *The Volatility Surface: A Practitioner's Guide*. Wiley Finance.
-- CBOE. "VVIX Index." Chicago Board Options Exchange white paper on volatility-of-volatility indices.
+- CBOE. "VVIX Index." Chicago Board Options Exchange white paper on volatility-of-volatility indices.