On May 18, Eastern Time, Sandisk options saw a total of 137994 contracts traded, with calls accounting for 49% and puts making up 50%.
Sandisk has 599467 contracts outstanding, with calls accounting for 45% and puts making up 54%.
The top volume gainer was the 1500 dollars Call option expiring on May 22, 2026, with 3050 contracts traded.
On the news front, Based on recent key news:

1. May 16, Sandisk's stock experienced a significant drop as analysts noted that its current price is much higher than the average estimate, which is about 25% lower. This discrepancy has raised concerns about overvaluation. Source: MarketBeat

2. May 18, Sandisk announced its participation in several upcoming investor conferences, which could have influenced investor sentiment and contributed to the stock's volatility. Source: Businesswire

3. May 19, the delay in a planned attack on Iran by President Trump led to a mixed response in the stock market, affecting tech stocks like Sandisk negatively. Source: MarketBeatAI sector remains volatile amid geopolitical tensions.
Please note: The chart below does not include options expiring within five days.
<img src="https://assets.lbctrl.com/h5hub/optrank/images/2026-05-19/ST_US_SNDK_en.png" alt="image" original-src="https://assets.lbctrl.com/h5hub/optrank/images/2026-05-19/ST_US_SNDK_en.png"/>

SNDK

On May 18, Eastern Time, Sandisk options saw a total of 137994 contracts traded, with calls accounting for 49% and puts making up 50%.

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