IREN Ltd closed at 41.65 USD, up 5.18%.

Large options activity was dominated by two strangle-style block trades, including a $65.17 million short strangle through 2028 and a $12.30 million long strangle through 2027. The broader block flow leaned bearish, with institutional positioning skewed toward downside risk management rather than constructive upside exposure.

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Options Indicators

IREN’s implied volatility stands at 85.32%, but its IV percentile is only 1.98%, which indicates that despite the high absolute IV level, current option pricing sits near the bottom of its own historical range. Combined with an IV/HV ratio of 0.94, this suggests implied volatility is slightly below realized volatility, reinforcing the view that options are on the cheap side rather than richly priced.

The Call/Put volume ratio is 1.88.

Large Trades

A $65.17 million net-credit two-leg combination was the largest trade on the tape, consisting of the sale of the September 15, 2028 120.0 put and the sale of the September 15, 2028 120.0 call. Because it includes both a sell put and a sell call, this is best identified as a short strangle-style premium-selling strategy rather than a synthetic structure. The position brought in a net credit of $65.17 million, with the put leg in the money versus the $41.65 reference stock price and the call leg out of the money. Strategically, this reflects aggressive premium collection with very wide risk exposure, suggesting the trader is willing to be short volatility and is expressing a view that the stock will remain contained relative to the extreme strikes over the long-dated horizon, while accepting substantial directional risk if the shares move sharply.

A $12.30 million net-debit two-leg combination was the second major trade, made up of a purchase of the March 19, 2027 50.0 call and a purchase of the March 19, 2027 30.0 put. Since it combines a buy call with a buy put, it is a long strangle-type volatility strategy rather than a synthetic call or put. Both legs were out of the money versus the current stock reference, and the trader paid a net debit of $12.30 million to position for a large move in either direction before expiration. The strategic intent here is not straightforward premium collection but a directional-volatility bet and potential hedging expression, with upside participation above 50.0 and downside protection or speculation below 30.0.

Overall, the large-trade flow leans bearish. While one of the top block trades was a sizable long-volatility strangle that does not require a single directional outcome, the broader bulk-order mix shows more downside-oriented positioning, including additional synthetic bearish exposure, put buying, and call selling. The dominant takeaway is that institutional-sized activity is skewed toward caution and downside risk management, indicating a market posture that is more defensive than constructive on IREN.

Strategy Reference

Given the low IV percentile and defensive block flow, traders preferring limited margin could consider a bear put spread rather than a naked put; selecting an out-of-the-money short leg near 25.00 would reduce assignment probability while still benefiting from the downside skew.