STX options: IV rank, expected move and trade screens
Seagate Technology Holdings plc · Technology
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STX last closed at $528.29 with 30-day implied volatility of 79.3%. That is in the lower half of its one-year range (IV rank 37), so premiums are on the modest side for STX. Measured by IV percentile, IV is higher than 64% of the past year's readings. Options expiring Dec 11 (28 days out) price a one standard deviation move of about $114.60, or 21.7%.
The price is below both its 50-day (-28.7%) and 200-day (-24.6%) moving averages. It is 51.7% below its 52-week high and 122.4% above its 52-week low. The 14-day RSI of 37.1 is between 30 and 70, neither overbought nor oversold. The 14-day average true range is $51.60, about 9.8% of the price, a measure of a typical day's range.
Option volume at the close (15.9K contracts) was 0.5x its average, quieter than usual. A beta of 2.70 means STX has tended to move about 2.7 times as much as the broad market. None of our preset screens found trades on STX at the close.
STX stats at the close
- Price
- $528.29
- Market cap $121B
- Implied volatility
- 79.3%
- 30-day, at the money
- IV rank
- 37
- IV sits 37% of the way from its one-year low to its one-year high.
- IV percentile
- 64
- IV is higher than 64% of the past year's readings.
- ATR (14-day)
- $51.60
- 9.8% of the price on a typical day
- RSI (14-day)
- 37.1
- Between 30 and 70, neutral
- 52-week range
- -51.7% from high
- +122.4% from the 52-week low
- Moving averages
- -28.7% vs 50-day
- -24.6% vs the 200-day
- Beta
- 2.70
- Sensitivity to the broad market
- Option volume
- 0.5x avg
- 15.9K contracts vs 31.1K average
STX expected move by expiration
Expected move = price x at-the-money IV x the square root of (days to expiration / 365), a one standard deviation range. The straddle is the at-the-money call plus put, the market's own price for a move. Compare expected moves across stocks.
| Expiration | IV | Expected move | 1 SD range | Straddle |
|---|---|---|---|---|
| Nov 20, 20267 days | 86.1% | ±$62.99 (11.9%) | $465.30 to $591.28 | $50.30 |
| Dec 11, 202628 days | 78.3% | ±$114.60 (21.7%) | $413.69 to $642.89 | $91.25 |
| Jan 15, 202763 days | 75.0% | ±$164.64 (31.2%) | $363.65 to $692.93 | $130.55 |
Each expiration has its own implied volatility, and short-dated IV reacts more to near-term events, so the nearest expiration can differ a lot from the 30-day figure.
Trades that pass our screens as of the close
STX options FAQ
- What is STX's IV rank?
- At the last close, STX's IV rank was 37 with 30-day implied volatility of 79.3%. IV sits 37% of the way from its one-year low to its one-year high. Its IV percentile was 64: IV is higher than 64% of the past year's readings.
- What is the expected move for STX?
- Based on the last close, options expiring Dec 11, 2026 priced a one standard deviation move of $114.60 (21.7%), a range of $413.69 to $642.89. Roughly two times in three, the stock would finish inside that range if the options are priced fairly.
- Is STX option volume above average?
- At the last close, STX option volume was 0.5x its average, quieter than usual.
More market data
Market data as of the prior close, for information and education only. Not investment advice. Options involve substantial risk and are not suitable for every investor. See our Terms of Service.