This one-day volume growth resulted in a record-breaking increase of 221%, as compared to the 65-Day Volume Moving Average. SIGI's total volume now sits at 1.7M. The -1.15% price change was insignificant, leaving SIGI's price at $78.13. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 11 similar cases, 8 of which were successful. Based on this data, the odds of success are +73%.