Blue Sky Stock Volatility Report

Analysis · 08/10/2026 – 08/25/2026

Generated August 25, 2026 04:01 PM · 24 symbols · claude-opus-5

Top Gainer

SNDK

+57.17%

$1163.09 → $1827.99

Top Decliner

WDC

-27.84%

$564.66 → $407.48

Biggest Vol Surprise

WDC

5.29x

realized move vs. implied

Closed Nearest High

SPCX

73.51%

of its range

Closed Nearest Low

AVGO

1.77%

of its range

Notable Movers & Volatility

The tape split sharply between storage/memory names and mega-cap tech. SNDK led at +57.17% ($1,163.09 → $1,827.99), with SMCI (+44.22%), SPCX (+42.52%), LNVGY (+38.44%), SKHY (+33.36%) and STX (+33.10%) close behind — a tightly clustered cohort suggesting a shared factor rather than isolated moves. WDC was the outlier on the other side at -27.84% and also the largest volatility surprise at 5.29x realized-vs-implied, meaning options pricing badly underestimated the range traveled.

Underpricing was widespread among the high-beta names: SNDK (4.11x), SMCI (3.99x) and SPCX (4.41x) all realized far more movement than implied vol suggested. By contrast, NVDA (1.16x), TSM (1.12x) and AVGO (1.24x) came closest to their implied expectations.

Closing location tells the second story. SPCX finished highest in its range at 73.51%, with SMCI (70.39%) and TSLA (67.93%) also firm. AVGO closed at just 1.77% of its range, alongside INTC (10.39%), CSCO (12.14%) and AMZN (15.28%) — weak finishes despite wide ranges, and several posted double-digit negative period returns.

Broader Market Context

The dispersion here is consistent with a market re-pricing *where* AI value accrues rather than abandoning the theme outright.

Geopolitical escalation risk, energy price pass-through and any resulting stickiness in inflation would plausibly keep rate-cut expectations unsettled. That backdrop typically compresses long-duration tech multiples first, which may partly explain why capital rotated toward hardware and storage names while platform mega-caps closed near range lows.

AI-generated analysis grounded in the data from this report. Informational only, not investment advice.