SK hynix ended trading at USD 185.55, up 4.83%.
Despite the session's constructive price action, large options flow revealed a pronounced institutional defensive tilt. A $17.12 million double put purchase on the 165 strike anchored the tape, dwarfing a $1.79 million bullish call spread. Net options volume and the bearish accumulation of long-dated, out-of-the-money downside protection point to elevated caution beneath the surface, even as the stock rallied.
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Options Indicators
SKHY’s implied volatility stands at 69.09%, while its IV percentile is 17.50%, which indicates that although the absolute IV level appears high, it is still sitting near the lower end of its own historical range. With the IV/HV ratio at 1.02, implied volatility is roughly in line with realized volatility, suggesting options are currently priced on the cheap side rather than showing a substantial volatility premium. The Call/Put volume ratio is 1.04.
Large Trades
A directional put-buying combination worth $17.12 million was the standout trade, consisting of two long 165.0 puts with the same 3,150-contract size but different expirations, March 19, 2027 and June 17, 2027. Both strikes were out of the money versus the $185.55 reference stock price, and the structure was a same-direction double-put purchase entered for a net debit of $17.12 million. Strategically, this is an outright bearish volatility bet: the trader is paying premium to position for a meaningful downside move over time, while also gaining convex exposure if SKHY weakens sharply. Using two expirations suggests the buyer wants sustained downside coverage rather than a very short-term tactical hedge, reinforcing a strong directional bearish view.
A bullish call spread entered for a net debit of $1.79 million was the other key large trade, pairing the purchase of the 235.0 call and the sale of the 310.0 call for the same December 18, 2026 expiration. Both calls were out of the money, making this a classic bull call spread that limits upside participation to the 235–310 range while reducing upfront premium versus a naked long call. The net-debit structure signals a defined-risk bullish directional bet rather than pure premium collection, indicating the trader expects upside over the longer term but with a measured target and controlled cost. Overall, the large-trade flow leans bearish: despite some notable bullish call activity and a constructive bull spread, the dominant feature was the much larger out-of-the-money put accumulation, which points to institutional caution and a stronger appetite for downside positioning than upside speculation.
Strategy Reference
For traders seeking to collect premium while the long-dated put flow dominates, selling the 140 strike put with a December 18, 2026 expiration offers a low assignment probability given the distance from spot and the subdued IV percentile, though margin requirements remain elevated relative to defined-risk structures.
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