Share buyback programs typically signal a company's confidence in its own financial health and prospects, suggesting that it believes its stock is undervalued. For NVR, this move is likely to be viewed positively by the market, as it reflects a commitment to returning value to shareholders and a bullish outlook on the company's future. The lack of an expiration date and the substantial amount allocated for the buyback further underscore the company's flexibility and long-term commitment to this strategy. However, the actual impact on the stock price will depend on market conditions and the execution of the buyback program.