SanDisk Corp. closed at 1,096.10 USD, down 14.25 percent.
Despite the sharp single-day decline, an extraordinary wave of bullish conviction swept through the options market. A single, massive in-the-money call purchase dominated the session, totaling $124.50 million in premium. This blockbuster trade, executed on a long-dated 2027 expiration, completely overshadowed any bearish activity, leaving a net bullish flow of $124.50 million and signaling an unshaken long-term upside view from a deep-pocketed investor.
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Options Indicators
SNDK’s implied volatility is currently 146.60%, with an IV percentile of 96.41%, which places it firmly in an elevated volatility regime where options are priced expensively. With the IV/HV ratio at 1.06, implied volatility is only slightly above realized volatility, suggesting the options market is embedding somewhat richer forward volatility expectations, but not at an extreme premium relative to recent actual movement. The Call/Put volume ratio is 0.98. Overall, the stock is sitting in a high-volatility environment, and option premiums are notably expensive.
Large Trades
A CALL buy worth $124.50 million was the standout large trade, with 2,500 contracts purchased on the 1020.0 strike expiring June 17, 2027. With the stock reference price at 1096.1, this call was already in the money at execution, which makes the trade a clearly bullish single-leg position with meaningful intrinsic value. The buyer appears to be expressing a strong directional upside view over a long-dated horizon, using deep participation in further appreciation while limiting risk to the premium paid.
Overall sentiment was decisively bullish. Total bullish large-trade flow reached $124.50 million, while bearish flow was $0.00 million, leaving a net bullish difference of $124.50 million. The conclusion is firmly positive, as the day’s entire large-trade activity was concentrated in a sizable in-the-money long call purchase, signaling conviction in continued upside rather than hedging or premium-selling behavior.
Strategy Reference
For traders unwilling to pay the rich premium of the elevated IV, a bull call spread offers a capital-efficient alternative; for instance, buying the 1020 call and selling a far OTM call like the 1200 strike against it can reduce cost while still participating in a sustained upside move.
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