International Seaways ( $INSW ) Advances +11% as Tanker Rates Reach Multi-Year Highs (See the latest news for any ticker on Tickeron.) International Seaways (INSW) shares advanced roughly 11% over the 30-day period through mid-September, rising from about $97 to above $107 and touching a 52-week high of $106.73. The move extends a multi-month rally fueled by multi-year-high tanker rates tied to disruptions in the Strait of Hormuz and the Bab el-Mandeb waterway. $TNK $K $FRO $DHT $TEN $STNG $NAT $NVGS