International Seaways Inc

INSWNYSE · USD
105.64USD0.00 (+0.76%)
9610

International Seaways Inc (INSW) Historical Volatility

INSW 30-day historical volatility is 35%. This ranks in the 33th percentile of readings over the past year.

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Tracking INSW historical volatility helps you see how much International Seaways Inc's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, International Seaways Inc's HV tells you what really happened. Use our scanner to monitor INSW 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The INSW 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing International Seaways Inc's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

International Seaways, Inc. owns and operates a fleet of oceangoing vessels for the transportation of crude oil and petroleum products in the international flag trade. It operates in two segments, Crude Tankers and Product Carriers. As of December 31, 2021, the company owned and operated a fleet of 83 vessels, which include 12 chartered-in vessels, as well as had ownership interests in two floating storage and offloading service vessels. It serves independent and state-owned oil companies, oil traders, refinery operators, and international government entities. The company was formerly known as OSG International, Inc.

and changed its name to International Seaways, Inc. in October 2016. International Seaways, Inc. was incorporated in 1999 and is headquartered in New York, New York.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts International Seaways Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where INSW HV is running hot, cold, or in line. Make the INSW 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 25, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 25, 2026

See how volatility has moved over time

Track INSW historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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