SK hynix closed at USD 156.16, up 0.35%.

Despite the modest daily gain, SKHY’s options tape revealed a strongly bearish institutional pulse. The session was dominated by a single in-the-money put purchase worth $5.58 million, dwarfing a tiny $48,400 bullish flow and leaving a net bearish imbalance of $5.53 million. The strike selection and premium deployment point to a deliberate long-dated downside position rather than a short-term tactical hedge.

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Options Indicators

SKHY’s implied volatility stands at 76.17%, but its IV percentile is only 3.70%, which indicates that despite the high absolute IV reading, current option pricing sits at the very low end of its own historical range. Combined with an IV/HV ratio of 0.71, this suggests implied volatility is running below realized volatility, reinforcing the view that options are relatively cheaply priced and that overall volatility expectations are subdued versus what the ETF has actually been experiencing. The Call/Put volume ratio is 0.74.

Large Trades

A PUT buy worth $5.58 million dominated the tape, with 2,500 contracts purchased on the October 16, 2026 $165.00 put. With SKHY referenced at $156.16, this strike was in the money at execution, which makes the trade a notably bearish stance with intrinsic value already embedded. The buyer was paying meaningful premium for downside exposure at a relatively high strike, suggesting either a strong directional hedge against further weakness or an outright bearish bet that seeks continued downside over a long-dated horizon.

Overall, large-trade sentiment was clearly bearish, with total bearish flow of $5.58 million versus just $48,400 of bullish flow, leaving a net bearish imbalance of $5.53 million. The conclusion is decisively negative: the day’s meaningful institutional activity was overwhelmingly driven by put buying, and the tiny bullish premium collected in the smaller trade did little to offset the signal from the dominant in-the-money long put position.

Strategy Reference

For traders unwilling to post the margin required for a long put, a bear put spread such as buying the $165.00 put and selling a lower-strike put against it can reduce upfront premium and define risk; alternatively, a seller comfortable with range-bound action could consider an out-of-the-money call credit spread above the prevailing high IV percentile to collect premium with limited assignment exposure.