ENPH·Enphase Energy, Inc.

Realized volatility (21d)

35.4% 3rd pct

Below its peak

-90.4%

vs 200-day average

-22.1%

Up days (1y)

47%

Enphase Energy, Inc. is currently running 35.4% annualised volatility over the last 21 sessions. Measured against ENPH's own 13 years of daily returns rather than a market-wide average, that is the 3rd percentile — unusually subdued by its own history, against a typical reading of 67.6%. The distinction matters because a number that looks calm for one stock is turbulent for another, and the absolute figure on its own tells you neither.

ENPH is trading -90.4% below its running peak. Across 12 full years on file, its median worst-drawdown-in-a-year was -57.3%, and the deepest was -89.3% in 2015. The current drawdown is already deeper than this stock's typical annual low point, which puts it in the part of its range where past recoveries began — and where past declines also continued.

Price sits -22.1% from its 200-day moving average. Against every other day in its history, that gap ranks at the 30th percentile — close to the gap it normally carries. Over the past year ENPH closed higher on 47% of sessions, and it is currently 2 sessions into a rising streak.

On October specifically: over 14 years of records, ENPH finished the month higher 4 of 14 times, with a median return of -5.3% and an average of -3.9%. Its strongest month historically has been February at +13.8% on average, its weakest October at -3.9%. Seasonality is a weak signal on its own — a decade is a small sample and regimes change — but it is a real distribution rather than a rule of thumb.

Overnight risk is measurable too: ENPH has opened more than 2% away from the prior close in 475 of 3,268 sessions (14.5% of the time), with the largest gaps running +16.6% and -15.5%. For anyone holding through an event, that rate is a better guide to overnight exposure than the intraday range.

All figures computed from 3,269 daily closes between 2013-10-15 and 2026-10-14, split-adjusted, recomputed daily. Percentiles are against ENPH's own 13-year history, not a peer group or index.