IBM closed at $227.55, up 5.21% from the previous close.

Unusual options activity surfaced as massive directional bets collided, with a $2.65 million bearish synthetic short and a $2.64 million bullish call purchase dominating the tape. The resulting net flow tilted slightly bullish, yet the near-perfect offset in premium commitment left the session in a tense tug-of-war.

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Options Indicators

IBM’s implied volatility is 44.84%, and with an IV percentile of 83.67%, current option volatility sits in an elevated range, indicating that options are priced expensively relative to IBM’s own recent history. At the same time, the IV/HV ratio of 0.41 suggests implied volatility is running well below realized volatility, so while headline option pricing looks rich on a historical percentile basis, the market’s forward volatility pricing is still relatively restrained versus what the stock has actually been delivering. The Call/Put volume ratio is 2.85.

Large Trades

A bearish synthetic short worth $2.65 million was the largest displayed structure, built by selling 1,500 December 18, 2026 $320.00 calls and buying 1,500 December 18, 2026 $200.00 puts. This is a classic sell-call plus buy-put combination that expresses downside exposure similar to a synthetic short stock position. The trade was established for a net debit, with $1.97 million spent on the put purchase and $0.68 million collected from the call sale, for a total net outlay of $2.65 million. Both legs were out of the money versus the $227.55 reference stock price, which suggests the trader was positioning for medium- to long-dated downside while partially offsetting put cost through upside call premium collection, making this a clear directional bearish bet rather than a neutral income strategy.

A bullish call purchase worth $2.64 million was the other highlighted trade, consisting of 1,200 January 15, 2027 $245.00 calls bought outright. With the strike above the $227.55 reference stock price, the option was out of the money at execution, indicating the buyer was seeking leveraged upside exposure over a long time horizon. As a single-leg long call, the strategic intent is straightforward: pay premium upfront for participation in a rally above the strike while keeping risk limited to the premium paid. The size and long-dated tenor point to a meaningful bullish directional view rather than a short-term tactical hedge.

Overall sentiment in IBM large trades was slightly bullish, with $4.17 million in bullish flow versus $3.95 million in bearish flow, leaving a net bullish difference of $0.21 million. The directional edge is modest rather than decisive, because the flow was nearly balanced between a sizable long-dated bearish synthetic short and multiple bullish call purchases. Even so, the positive net skew suggests traders are leaning to the upside overall, driven by premium committed to upside call exposure, while the presence of a major synthetic short shows that conviction is mixed and that some participants are still actively positioning for downside risk over a longer horizon.

Strategy Reference

For premium sellers seeking a low assignment probability, the elevated IV percentile makes the $320.00 call strike—sold in the synthetic short—an attractive target for covered calls or naked call overwrites, given its distance from the current price and long-dated tenor.