Current spirit stock forecast data reveals increased short interest, suggesting cautious sentiment in the market. Technical charts display resistance near $20, while momentum indicators hint at potential breakout if volume sustains. The S&P Global UK Manufacturing PMI dropped to 46.2 in September 2025, a five-month low and well below the 50.0 growth threshold, marking a twelfth straight month of contraction, in line with preliminary estimates, data drom S&P Global showed. For airline stocks, the book value is represented by tangible goods and agreements like aircraft and flight path rights. This is why most of the industry trades at higher P/B multiples. Frontier Group trades at 3.1x P/B, so investors could consider that Spirit Airlines' P/B could be at least 0.75x to offer Frontier an attractive buy deal. Spirit stock forecast shows correlation with broader airline ETF performance, where the Bloomberg Airline Index rose 3.4% in the last week, reinforcing sector-wide optimism.
