Technology 15 October 2025 - 17 October 2025

Rigetti’s share price has soared exponentially this year, reflecting frenzy around pure-play quantum computing stocks. At the start of 2025, RGTI traded under $1; by mid-October it rocketed into the mid-$50s, marking a +259% year-to-date gain and roughly 50-fold increase from a year agomarkets.financialcontent.com. The stock closed at a record $56.34 on October 15, 2025macrotrends.net – its highest ever – before settling just below that level. In the span of a few trading days, Rigetti jumped from the mid-$40s to mid-$50s: on Oct. 13 alone, it surged ~25% to $54.91 at closestockinvest.us, and it notched another all-time closing high the following day. This rally has propelled Rigetti’s market capitalization to an eye-popping $16–18 billion rangestockinvest.us, astounding for a company with only single-digit millions in revenue. For context, other quantum computing stocks have also skyrocketed in 2025 – IonQ is up ~700% year-over-year and D-Wave >2,000%ts2.tech – as investors pile into the sector’s promise.