WDC Earnings Preview — Its own earnings report isn’t the only pricing driver tonight Looking at the options structure, WDC’s current Call Wall is at $590, and the Put Wall is at $550. These two levels form a relatively clear upper and lower boundary ahead of the earnings report. At the same time, the overall GEX expiring between August 7 and August 21 remains positive. In a positive Gamma environment, market makers’ hedging behavior typically suppresses short-term volatility, making the stock price more likely to oscillate between key strike prices. Therefore, in the absence of a significant unexpected catalyst, the $550–$590 range can still be seen as the primary trading zone temporarily accepted by the market. But WDC’s performance tonight isn’t just about its own earnings report. Since SNDK’s business is more directly tied to NAND pricing, supply-demand dynamics, and enterprise SSD expectations, today’s SNDK earnings report and the options market reaction may have a greater impact on the pricing of the entire storage sector. Even if WDC’s own earnings are solid, if SNDK sends weak signals about the industry, WDC could still be dragged down by sector-wide movements. Key points to watch: 1. Whether the stock price can break through the $590 Call Wall. 2. Whether the positive GEX structure persists after the earnings report. 3. Whether SNDK’s earnings drive a unified directional move in the storage sector. If WDC breaks above $590 and the Call Wall continues to shift upward, it indicates that the market hasn’t fully priced in the positive news, and the earnings report could open up new upside potential. If the stock price spikes but fails to hold above $590, it’s closer to a “sell the news” scenario, where market maker hedging and profit-taking could continue to suppress further gains. On the downside, keep an eye on the $550 Put Wall. If it breaks below $550 and GEX flips from positive to negative, the structure that originally suppressed volatility could instead amplify the decline. At that point, the risk isn’t just about WDC’s individual earnings but also the loosening of overall expectations for the storage sector. $WDC